Increased value of polysaccharides extracted from quail meat by 80 times

Recently, a good news came from the Yamashita Pearl Group, and another major scientific and technological achievement of the Group - Polypodium polysaccharides and health beverages was launched. This marks a new chapter in the transformation and upgrading of Pearl City in our city.

Polysaccharide from pteris is a new national food resource with the functions of liver protection, liver protection, beauty, beauty, and anti-decay extracted from the cultured pearls and oysters using modern technology. Yamashita Pearl Group has gone through five years of painstaking research, and the purity of the prepared oyster meat polysaccharides has reached more than 95%. It was approved by experts of the Ministry of Health a few days ago. In addition, Zhenshitang brand health beverage, which is made from pound meat polysaccharide as its main ingredient, has been listed on the market. Apart from quenching thirst, it also has special functions such as hangover and health, and the products have entered various supermarkets and vices in the urban areas. Food wholesale company and some provinces outside the city (city) market. “The preliminary results of the comprehensive utilization development project of quail meat have been found after the low-grade pearls found their way out. This has not only solved the problem of environmental pollution, but also turned waste into treasure and achieved sustainable economic development. According to Ke Changqing, manager of the policy development department of the Shanxiahu Group, at present, polysaccharides are being used in the field of beverages and also applied to cosmetics. The company successfully developed 17 cosmetics, of which 6 have obtained production approvals. In the next step, the company will focus on the application research of polysaccharides in the field of medicine.

"Extracting polysaccharides from quail meat and using polysaccharide as the main component of beverages and cosmetics increased the value of quail meat by 80 times." Ke Changqing said that the purchase price of quail meat has risen from 0.4 to 0.6 yuan per kilogram. To 1.2 yuan per kilogram. It is understood that one kilogram of polysaccharide can be extracted from 50 kilograms of oyster meat. The market price per kilogram of polysaccharide is 5,000 yuan.

In recent years, Shanxiahu Pearl Group has been devoting itself to deep processing of pearls, closely relying on technological innovation, and has gradually changed the pearl industry's original situation of “raw materials and raw materials”, and has changed from traditional processing to deep processing of modern science and technology. "Before the year 2000, our deep processing of pearls only stayed in the pearl bleaching, lightening and dyeing processing technologies. Since the company moved into the Pearl Special Processing Park in 2004, it has been developing into a series of pharmaceutical, health food and cosmetics fields. According to the person in charge of the group company, in 2004, the group set up Zhejiang Ingles Pharmaceutical Co., Ltd., and cooperated with some colleges and universities in China to produce nano pearl powder and water-soluble pearl liquid using high-activity pearl nano-strip manufacturing technology. Successfully developed five kinds of health products and found a way out for the low-grade pearls. Immediately afterwards, the group company started another project to start the comprehensive utilization of meat.

“The whole body is full of treasures. From pearl farming to processing to the pearl end product, a pearl can bring a series of benefits. As the first listed company in the national freshwater aquaculture industry, we will use modern technology to arm traditional agriculture and increase product additions. Value, for the farmers to find a way to get rich. "At present, the Yamashita Lake Pearl Group's "polysaccharide extracted from oyster meat" project has been in the pilot stage, the annual processing capacity of 1,000 tons of meat processing.

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Enjoy slimming a cucumber a good way to lose weight

When it comes to weight loss, we must have heard of cucumber diet. Cucumber is loved by obese people because it is refreshing and refreshing, and it has strong oil-smoothing and fat-reducing effects. However, using cucumber diet to lose weight does not blindly eat cucumber instead of eating other foods because the human body needs different nutrients every day. The food is unable to meet the basic needs of nutrition. So, how to eat cucumber to play its proper weight loss it?

First Week Cucumber Egg Specific Diet Plan

Morning: One egg (can eat tea and eggs), one cucumber

Noon: one egg (can eat tea and eggs), one cucumber cold dish

Evening: One or two cucumber or cucumber cold dishes

You can eat something else in the second week

From the second week, you can eat some boiled or steamed meat and vegetables, but do not put oil. After four o'clock in the afternoon, only eggs and cucumbers can be eaten. You can drink soy milk and milk, it is recommended to drink in the morning, you can also eat some fruits, except bananas.

If you can do some exercise, the effect will be better:

1, using two feet straight forward position, grasping the toes with both hands, pulling towards the body.

2. Bend your knees to the inside, hold the toes of your other foot in your hand, and slowly pull your back in the direction of your body. Be careful not to bend the knee.

3, spread out after the two feet open, about the width of the shoulder, and then slowly squat down, try to stretch the lower leg muscles.

After the end of weight loss can not immediately resume diet, to slowly increase! After a month later, your stomach is very small, you only need to eat a little bit will be full.

Weight loss summary

This method is at least a half kilogram a day and will not bounce back. Because cucumbers do not have sugar, they can absorb the heat of cucumbers. But it is very difficult to insist, and later I will feel sick. Let's work hard, sisters, in order to put on that beautiful dress and bodybuilding tomorrow to fight!

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New technology makes life easier

You can use soap to prevent colds, instead of waiting for germs to invade you and eat a large pile of cold medicine; a colored potato can have anti-disease effect, it will automatically sterilize the toilet seat, you can wear overnight contact lenses... You believe Are these true? No lie to you, these are definitely not from the perspective of science fiction, they are all ongoing scientific new technologies, and some have even been or will come to our lives. These innovative technologies are new breakthroughs for scientists in the pharmaceutical industry. You and your family will soon benefit from them. Want to find out? We will come into the world of these new technologies and be ready to welcome them!

New soap that effectively reduces the incidence of colds

Disease from the mouth, often washing hands is the most effective way to prevent the spread of cold pathogens through the mouth, antibacterial soap is also a long-standing. Nowadays, a new kind of antibacterial soap has emerged. Its magic is that it can isolate bacteria by forming a harmless film on the surface of the skin, thus preventing bacteria from adhering to your skin and making it disappear more cleanly. This soap is called "microbial antibacterial equipment." Research shows that it can reduce about 58% of bacteria on the skin. According to experimental statistics, this type of soap can reduce the incidence of colds by half. In the US market, this antibacterial soap called Protexa has already appeared. It will form a strong impact on the antibacterial soap market in the United States within one year.

Wearable overnight contact lenses

The appearance of glasses has greatly changed our lives. However, because the contact lens is a contact lens and is in direct contact with the cornea, it must have high requirements so as not to adversely affect our health. Because of the poor oxygen permeability and the prone to protein precipitation, contact lenses are usually removed before going to bed every day. This problem has now been scientifically broken. Scientists have invented a silicone hydrogel material that can achieve a maximum oxygen permeability of 175 to ensure adequate oxygen delivery to the cornea. At the same time, a layer of plasma film is attached to the surface of the contact lens, and its thickness is only one hundred thousandth of that of the hair. Because it is filled with charged ions and electrons, it is deposited under the action of biological principles. Proteins undergo ionization and decomposition, thereby fundamentally solving the terrible consequences of protein precipitation. The hydrophilic nature of this protective film makes the surface moist for a long time and is more comfortable to wear! The most fundamental advantage is that this innovation solves the problem that contact lenses need to be picked up repeatedly, allowing us to stay up late and work long distances, even when inconvenient to pick up contact lenses when camping in the wild, no worries, and more free. U.S. Visioncon already owns a product that uses this technology patent, and the domestic market is also followed by a variety of products listed on the European and American markets. Shue-Oxygen is a product that can be worn for a long time and stays overnight. Even day and night wear can even be worn continuously. Do not need to pick one month.

Anti-mite solution for medication from the nose

It is estimated that many people suffer from dental caries during childhood and may now worry that their children will not suffer from caries. In a few years, parents will not have to worry about children suffering from dental caries, because the prevention of dental caries formation is already under development, and the outlook is very optimistic. Dr. Daniel Smith, who is engaged in this research, developed a new type of nasal spray that can effectively prevent tooth rot for a lifetime. He said: "This agent can safely and effectively deal with those variants of Staphylococcus aureus, which is the culprit responsible for dental caries." It is most effective for those who are just learning to walk, because they have not yet infected those who will The bacteria that cause dental caries can also significantly reduce the incidence of dental caries in older children and adults. This product is expected to hit the market within 7 years.

New coffee roasting method for protecting antioxidants

Coffee is a magical beverage. It conquered Westerners and dumped many Asians. Nowadays, people go to Starbucks for a cup of coffee as the most convenient way to relax. The relationship between coffee and health has also attracted the attention of many people.

The coffee beans have a layer of antioxidants that can prevent disease. Its main ingredient is polyphenol compounds. Antioxidants work like vitamin C and vitamin E. They can prevent heart disease but also fight cancer and prevent aging. However, the traditional method of roasting coffee beans will invalidate these antioxidants. Now, scientists have discovered a new way to bake coffee beans so that every cup of coffee you drink contains enough antioxidants as much as vegetables. This new approach will be put on the market this year.

Automatic sterilizing toilet seat

In a recent study against harmful bacteria, scientists at the Massachusetts Institute of Technology have discovered a substance that bacteria cannot survive. Glass or plastic made from this substance can kill bacteria that have adhered, making it impossible for bacteria to survive. Survival and spread of toilet seats, public telephones, door handles, faucets, refrigerator handles, etc.

So what's the secret behind this process? Originally, these antibacterial surfaces were coated with a coating called hexyl-PVP that carries a permanent positive charge. These positive charges are not harmful to the human body but are deadly to the bacteria. Dr. George Tiller, the researcher, said: "The paint can be applied to the surface of all things and it will never come off." Indeed, the hexyl-PVP-treated glass can kill 99% of bacteria that come into contact with it. . In 3 years, you can buy this new product in the market.

Color potatoes that can cure diseases

Have you seen purple potato chips or orange mashed potatoes? It is estimated that you haven't seen it, but soon you can see it. Scientists are cultivating purple and orange potatoes. This new potato not only makes the dish appear more colorful, but it is also a healthy food. Compared with potatoes commonly found on the market today, colored potatoes are rich in antioxidants and their levels are four times that of ordinary potatoes. They are very effective in preventing cancer and cardiovascular diseases. Dr. Charles Brown said: "These potatoes contain high levels of nutrients. Eating them will have the same amazing anti-disease effect as eating spinach and cabbage vegetables." Some people may ask, what is the taste of this potato? I am happy to tell you that at the table, it has become the preferred food that exceeds the average potato. It is expected that this year’s colored potatoes will appear on many people's tables.

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Wheat diseases and pests will enter the peak period

Right now, the wheat market in the city of Shishi is at the heading stage. According to surveys conducted by the Plant Protection Station on counties (cities), the main diseases and pests of wheat are mainly wheat stubble, wheat midge, wheat scab, and wheat grass weeds. The plant protection station reminds The majority of growers are doing a good job in the prevention and control of diseases and pests in the mid and late stages of wheat production to ensure a bumper harvest of summer crops.

According to investigations, at present, the city's wheat aphids have an area of ​​1.883 million mu, with an average of 100 strains of 85 species, of which the highest amount is 332, which is close to the level of the same period of last year; the area of ​​wheat midge insects is 193.80 million mu, among which the prevention and control indicators (worms) More than 2 heads/sample squared) covers an area of ​​975,500 mu. Wheat imagoes are found in wheat fields in some areas.

When wheat meets continuous rain during heading and flowering, and the temperature is maintained above 15°C, the incidence of head blight will increase. According to the meteorological observatory, the weather in the next week will be mainly cloudy and showers, which will be conducive to the occurrence of head blight and spread. In the autumn of last year, the wheat field weeds in wheat fields in our city were all controlled again and again. For wheat fields with poor control effect, the agricultural experts at the Municipal Plant Protection Station reminded that the initial stage of grouting after wheat heading must be uprooted in a timely manner and taken out of the field to reduce the retransmission. .

Right now, with the increase in temperature, the mid- and late-stage diseases and pests of wheat in our city will enter the peak period. Various departments at all levels must effectively monitor the pests and diseases, provide timely feedback, and scientifically guide prevention and control. We must seize the current favorable timing, do a good job of propaganda, and timely eliminate the control of land that has reached the standard. Prevention and control should give full play to the role of this year's wheat pesticide pest control subsidies, do a good "one spray and three defenses," in ensuring the prevention and treatment at the same time, improve the prevention and control efficiency.

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Winter Care of Crab Zinnia

First, light

Cranium is a short-day flower, 8 to 10 hours of sunshine a day, 2 to 3 months to flower. In the winter, it should be placed in a sunny place in the room and exposed to sunlight to promote flower bud differentiation. The flowerpots are often turned so that all parties can receive even sunlight, guaranteeing the development of flower buds and balanced flowering. The indoor place of C. japonica should pay attention to shading, otherwise it is not conducive to the formation of flower buds.

Second, the temperature

As the temperature decreases, the claws should be moved to indoor sunny place to avoid freezing damage. The room temperature is preferably maintained at about 15°C. The flowering temperature is preferably 10°C to 15°C. When the temperature is lower than 5°C or higher than 20°C, it will affect the growth and flowering of the plants. During the flowering period, the pots are moved to scattered light for conservation to extend the viewing period. Extremely avoid sudden temperature drop or large temperature difference between day and night; during flowering if the temperature suddenly drops below 10 °C, there will be buds, falling flowers.

Three, watering

Although the clam clam is hi wet, but because of its rootstock (such as cactus, triangular arrow) like hi dry, so when watering master "Ning dry not wet, do not do not dry, dry drenched" principle. Due to the low temperature in winter, the watering should not be too much. Generally, every 4 to 5 days, the soil can be kept moist. Do not pour water in the basin, otherwise it is easy to rot. The spraying of leaf surface water during the bud period is beneficial to many pregnant buds, so it is necessary to spray water regularly to keep the abnormal stems and buds moist. When the flower buds appear in the crab claws, do not be too dry and too wet, so as not to cause buds, falling flowers.

Fourth, fertilization

For the clams that are pregnant, they should supply sufficient nutrients for water and nutrients, which is conducive to the formation of flower buds, and is also conducive to beautiful flowers. Fertilization should be dominated by phosphate fertilizers, or top-dressing thin liquid fertilizers that are topped with mash, once every 7 to 10 days, to promote the formation of more buds. Also, 0.2% potassium dihydrogen phosphate solution can be sprayed on both sides of the leaves and flower buds, or in combination with watering, potassium dihydrogen phosphate (concentration same as above) can be used for pouring. This flowering and fertilizing should be carried out until the buds bloom. After entering the flowering stage, in order to ensure continuous flowering, the citron can adhere to liquid fertilizer or phosphorus and potassium fertilizer or apply a small amount of compound fertilizer every 10 to 15 days. If the required nutrients are insufficient, not only the buds are difficult to bloom, but also uninterrupted budding and flowering are caused.

Fifth, pruning

Through the vigorous growth of grafted C. jasminoides, it is generally made of thin bamboo or lead wire to support the sagging stem segments, spread around into umbrellas, and cut uneven stem segments and pests and branches. Eliminate dense, too weak buds on the stem segments. In each section of the end of the leaves to retain a large bud, sparse other buds, which can save nutrition, focus on the supply of retained buds, so that flower buds grow, flowers the same size, bright colors. As the crab claws and orchids continue to open, we must timely cut off the flowers and the top of the leaves to save nutrients, stocking momentum.

Sixth, control pests

The most common insect pest of C. japonica is the scale insect, which is most easily obtained in poorly ventilated environment in winter. Scale insects have a greater harm to the crabgrass, but it causes rust spots on the rootstock and scion, which affects the appearance and causes the death of the plants. A scale insect was found and should be immediately removed with an appliance. The insects could be brushed with a brush or scraped with a bamboo scraper, and then sprayed with 500 to 800 times the omethoate for continuous control 2-3 times.

The occurrence of rot disease in C. jasminoides is caused by poor drainage of pots and earths, persistent over-humidification, which causes rot of rootstocks, and can be sprayed with 50% carbendazim WP 500 times on a regular basis to sterilize, such as local rot, and the use of sterilized products. Knife to cut rotten parts, the wound can not be watered before healing.

In addition, some cultivars often grow well during cultivation, but they do not bloom or bloom very little. It should be checked if the place is appropriate because it is a short-day plant. The light is only less than 10 to 12 hours per day. The plants can form flower buds, such as adequate light during the day, and strong light at night, in this condition of long illumination. Plants often do not form buds easily.

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International Environmental Protection New Technology Conference held in Yongqing environmental remediation with new technologies appeared

June 5, 2017 Commemorative Sixth Five-Year Environmental Day Home Event & 2017 International Environmental Technology Conference Held in Nanjing. The theme of this conference is "Green New Technology to Promote Green Development", attracting nearly 700 guests from around the world and nearly 300 environmental research institutes and environmental technology companies. Yongqing environmental protection with soil repair technology, debut soil special exhibition.

Prior to the meeting, leaders of Jiangsu provincial party committee secretary and provincial people's congress committee Li Qiang, secretary of party secretary of the MEP Li Ganjie, deputy secretary of Jiangsu Provincial Party Committee and acting governor Wu Zhenglong inspected the international and domestic environmental protection technology enterprises participating in the conference. Leading guests and his entourage came to Hunan Yongqing environmental booth, Yongqing Environmental Protection Chairman Liu Zhengjun detailed the company's new technologies and new achievements.

Li Ganjie, Li Qiang, Wu Zhenglong and his party frequently praise and encourage many bright spots in the field of soil remediation. They hope that the company will take full advantage of this grand platform of the International Conference on New Environmental Technology to further promote the popularization and application of new environmental technologies and promote environmental protection In-depth scientific research in the field of development, the common benefit of human society.

"You guys are doing very well. With the rapid development of the environmental protection industry, it is a golden opportunity now. The frequent introduction of national policies requires the presence of skilled, talented, skilled and marketable enterprises. You are encouraged to continue their efforts and innovative spirit. Environmental protection make a greater contribution! "Li Ganjie said.

The "Environmental Protection Law" implemented in 2015 stipulates that June 5 each year will be Environment Day. The 2017 Sixth Five-Year Environmental Day Home Event & 2017 International Environmental New Technology Conference was jointly organized by the MEP and Jiangsu Provincial People's Government.

As recognized by the industry as the "Yangtze River Delta" environmental protection elite annual event, the "International Conference on New Environmental Technology" sponsored by the Ministry of Environmental Protection and the Jiangsu Provincial People's Government, through forum discussions, focuses on presenting and promoting advanced environmental technologies at home and abroad. Exhibition site, from around the world green coffee, environmental protection, "black technology" one by one appeared, all kinds of academic exchange forum turns into battle.

Luo Qing Shi, president of Yongqing Environmental Soil Rehabilitation Research Institute, said in an interview: "As a leading brand of soil remediation, Yongqing Environmental Protection has made great achievements in arable land restoration projects, restoration materials, talent teams, technological innovation, model innovation, internationalization of restoration technologies, Heavy metal repair, mining management and ecological restoration is completely emboldened. "

Luo said that this environmental technology conference brings four major soil remediation technologies: self-developed ionic mineralization stabilization technology and 100% remediation of heavy metal contaminated soils; ultra-clean soil ectopic heat desorption technology , Complete combustion of tail gas, pollutant removal rate of up to 99.98%; in situ thermal repair (ET-DSPTM) technology, gasification and effective extraction of organic pollution over 99%; Yongqing US IST's XSVE technology, efficient processing of semi-volatile Organic pollutants up to 95%.

At the same time, Dr. Yonghong Hong, an international expert from Yongqing, Korea, brought the keynote speech entitled "Development of In-situ Repair Technology for High Concentration DNAPL (Highly Density Water-insoluble Liquid) Contaminated Sites in South Korea". DNAPL contamination in industrial sites in China is high, so far there is no effective treatment technology yet. Therefore, it is particularly important to develop the soil-groundwater remediation in our country by drawing on and introducing advanced foreign experience.

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First photon super-crystal integrated artificial material light source: to promote ultra-fast Li-Fi communications

The figure depicts a "photonic crystal" promising for the future development of "Li-Fi" technology, which is more advantageous than Wi-Fi and other RF communication systems. Photo Credit: Tal Galfsky, New York City University

Light sources that integrate two concepts of artificial optical materials may drive ultra-fast "Li-Fi" communications.

In many applications, Li-Fi airborne optical networks may have advantages over Wi-Fi and other radio frequency systems. Li-Fi networks can operate at extremely high speeds; they can operate over a very wide frequency range; they can avoid RF system disturbances, especially in demanding safety environments such as aircraft cockpits and nuclear power plants; they are not easy Hacked. Evgenii Narimanov, a professor of electrical and computer engineering at Purdue University, said that while the range of Li-Fi networks is relatively limited, they do not require line-of-sight operations. He said that today's Li-Fi networks can not fully realize these potential because they lack the right light source.

But the design that integrates two concepts of optical materials into "photonic hyperthermia" may fill this gap.

Narimanov first proposed this concept in 2014. This month, he and colleagues at the City University of New York reported photon supercrystals in the Proceedings of the National Academy of Sciences (PNAS) with a dramatic increase in photon emissivity and intensity. Narimanov said that photonic super-crystals combine the properties of metamaterials and photonic crystals. "Artificial" optical materials often have properties that do not exist in nature.

Metamaterials are produced from man-made structures that are much smaller than the wavelength of light, whereas in photonic crystals the size of "unit cell" is comparable to this wavelength. Although both types of composites often exhibit very different properties, photonic supercrystals combine all of them in the same structure.

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Sony has developed the industry's most accurate back-illuminated ToF image sensor

Sony announced on June 5 that they have successfully developed back-illuminated ToF time-of-flight image sensors with a minimum pixel pitch of 10μm. As early as 2015, Sony acquired Softkinetic Systems SA ("Softkinetic"), a ToF image sensor technology development company, and attempted to combine its own back-illuminated CMOS image sensor technology with "ToF."

ToF technology measures the distance between the sensor and the object by the time it takes for the light source to reach the object and reflect it back to the sensor. The ToF image sensor detects the distance information for each pixel, resulting in a high-precision depth map. The accuracy can be further improved by ensuring that the reflected light is efficiently received and the processing required to measure the distance is performed at a high frame rate. In addition, power consumption can be reduced by effectively collecting and processing the reflected light.

At the core of Sony's new ToF technology is Softkinetic's proprietary Current Assisted Photo Modem ("CAPD"), which uses a unique pixel architecture that utilizes the drift current in the pixel for high-speed modulation to improve detection of optical signals Accuracy. This method increases the accuracy of measuring the horizontal distance of each pixel, enabling accurate measurements and depth map acquisition even at considerable distances.

Sony combined CAPD with its back-illuminated CMOS image sensor pixel technology to create the industry's smallest new backside ToF image sensor with 10μm pixel pitch. The new sensor is based on the advantages of a backlit pixel structure that stratifies the circuitry under the photodetector. By optimizing the pixel structure and circuitry of the CAPD, the new Sony product enhances light harvesting efficiency and enables high-speed distance measurement.

In recent years, there has been a growing demand for more accurate depth sensing, especially in augmented reality (AR), virtual reality (VR), and other applications such as robots and drones that require autonomous operation. This new sensor is part of the DepthSense line-up that makes gestures and object recognition and obstacle detection possible. The new sensor will help extend the reach of ToF image sensors by providing high-precision depth sensing in a compact, low-power, compact package.

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Hydrothermal oxidation technology: make organic waste into pollution-free treasure

The disposal of domestic waste has always been a challenge for urban development. In response to this problem, Professor Jin Fangming from Shanghai Jiaotong University School of the Environment took the lead in utilizing the technology for combustion treatment of domestic waste using hydrothermal oxidation technology. Hydrothermal oxidation is a relatively new oxidation method, usually carried out in high temperature and pressure water. The organic matter is oxidized and decomposed into carbon dioxide and water, so that there is no "fire" burning and the garbage becomes pollution-free "treasure."

Summer heat, the summer is coming, the treatment of household waste gradually becomes a big problem as the temperature rises, and the domestic garbage is not properly handled, which will greatly affect the appearance of large-scale cities. In particular, the disposal of domestic waste has always been a chronic problem in Shanghai. In response to this problem, Professor Jin Fangming from Shanghai Jiaotong University School of Environment took the lead in utilizing the technology of hydrothermal oxidation to treat household garbage by burning it. This "fireless" combustion turned garbage into pollution-free "treasure" . This kind of "burning" in the water does not produce pollution such as sulfide, but also does not generate carcinogenic substances. Even chemicals such as plastic bags can dissolve, and after the first ignition, energy is no longer consumed. At present, this technology has been used in the third restaurant of Shanghai Jiaotong University. With the help of far-sighted entrepreneurs, it hopes to gradually realize technology from pilot to large-scale industrialization.

Twenty years of technical breakthrough cracking organic waste disposal and resource utilization problems

The traditional method of MSW disposal mainly uses landfill and incineration. Landfill disposal of landfill leachate, garbage generated methane and other pollutants is difficult to export, collection and processing, not only cause serious pollution to the surrounding environment, but there are security risks, seriously affecting the image of the town; and garbage Incineration is prone to two VA British and other toxic gases, air pollution and odor, the surrounding environment has a serious impact. At the same time, these simple garbage disposal methods can not effectively utilize the rubbish and do not meet the requirements of modern urban construction and development.

The traditional method of MSW disposal mainly uses landfill and incineration. Landfill disposal of landfill leachate, garbage generated methane and other pollutants is difficult to export, collection and processing, not only cause serious pollution to the surrounding environment, but there are security risks, seriously affecting the image of the town; and garbage Incineration is prone to two VA British and other toxic gases, air pollution and odor, the surrounding environment has a serious impact. At the same time, these simple garbage disposal methods can not effectively utilize the rubbish and do not meet the requirements of modern urban construction and development.

Municipal solid waste, kitchen waste, waste paper and various types of biomass-containing products with high moisture content, high levels of fat and organic waste accounted for the vast majority of these rubbish easy to breed pests and bacteria and smell, Seriously affect the urban environment, but due to its high moisture content, it is difficult to carry out traditional incineration, landfill will result in more difficult to solve secondary pollution and disease transmission. At the same time, the biomass resources that are rich in rubbish have not been effectively reused, but instead become the source of pollution of the environment.

In addition, the existing methods of biological fermentation to dispose of household garbage (including kitchen waste) can effectively treat the biomass resources in the garbage and convert it into chemical products such as methane, but the residual residues of such garbage are still not solved , Smell and other secondary pollution problems. In the meantime, the biological fermentative method requires a longer period, lower biomass conversion rate, and less efficient utilization of resources.

Hydrothermal oxidation is a relatively new oxidation process and is generally carried out in high temperature and pressure (100-400 ° C, 2-30 MPa) water. The organic matter is oxidatively decomposed to carbon dioxide and water, also known as wet oxidation / wet oxidation. Wet combustion technology originated in the United States for the combustion treatment of papermaking black liquor such high concentration, non-degradable organic wastewater. When the concentration of organic matter in water reaches 2%, the heat released by the wet combustion of organic matter can sustain the spontaneous reaction of the system. When the concentration of organic matter in water exceeds 2%, the heat released by combustion can be recycled. Later developed to use super / sub-critical hydrothermal oxidation decomposition of high-water sludge, industrial wastewater and toxic and hazardous substances.

Professor Kim has devoted himself to promoting green water and heat technology and has been conducting research in this direction for more than 20 years. In the early years, he pioneered new research aimed at combating domestic waste for power generation using hydrothermal oxidation technology. Studies using various types of household waste such as vegetables, meat, fish and fats have found the interesting fact that, regardless of the composition of the waste, after oxidation under hydrothermal conditions, acetic acid All remain as the final product that is difficult to continue to decompose, but if acetic acid continues to be decomposed, a higher temperature or other catalyst needs to be used, resulting in an increase in cost.

However, as an extremely important chemical raw material, acetic acid itself is a very valuable product. Therefore, Professor Kim's research turned to the new direction of more eco-friendly and low-carbon production of acetic acid by selective oxidation of acetic acid to household waste. All of the original organic waste will eventually be converted to refractory acetic acid, and this result instead makes hydrothermal oxidation technology has a great advantage in dealing with the complex composition of domestic waste. From the junk model compound to the actual solid waste mixture, Prof. Jin completed a series of experimental studies on hydrothermal oxidation and found out the transformation rules of each of the garbage components in the hydrothermal oxidation process. This series of research results have been compiled into text, so far, has published many papers on SCI core journals.

Technical transformation and upgrading of continuous domestic water thermal oxidation equipment used in practice

In order to further promote the application of hydrothermal technology, Prof. Jin-ming Jin has utilized the accumulated experience of laboratory research to develop a pilot-scale continuous solid waste water thermal oxidation equipment. The installation and operation of the equipment have been completed and completed A hundred kilograms of domestic waste water thermal oxidation experiment, the treatment effect is good. The equipment is now successfully installed near five meals at Shanghai Jiao Tong University and is designed to handle the waste produced by the teachers 'and students' canteens. This method not only reduces shipping costs but also avoids the usual waste disposal The stench problem of transport, as soon as the rubbish is produced and sent to conversion, can almost 100% oxidize and decompose organics in the waste while ensuring that nitrogen, sulfur and phosphorus-containing substances, which may cause environmental pollution, are dissolved in the water , Only need to be dealt with simply to meet emission standards. At present, Professor Jin Fangming has declared a number of patents on hydrothermal oxidation of domestic waste and is conducting further research and development on the expansion.

In addition, Prof. Jin Fangming also conducted further exploration and research on the existing problems in the hydrothermal oxidation technology. The development of new technologies such as the multi-stage hydrothermal oxidation process and the new-type oxidants has yielded gratifying results . At present, Shanghai Jiaotong University School of Environment strongly supports the development and application of such new technologies. At the same time, it actively conducts cutting-edge exploration, basic and applied research on the development and utilization of clean energy, renewable energy and new energy, focusing on the resources of CO2 Transformation and conversion of biomass and solid waste resources, the development of photocatalytic materials and hydrolysis of hydrogen, new solar cells, electrochemical energy storage materials and other forefront of exploration and applied research, and strive to build an internationally influential innovation in the field of energy Research platform, hoping to make our due contribution to the green treatment of organic waste.

Professor Jin Fangming said that while doing research and development, actively promoting the new technology in the field of environmental protection is of great significance. Hope to collaborate with different departments to achieve classification of transport, classification and disposal, so that waste recycling of organic waste into treasure, so that urban living garbage really harmless

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Gas pressure relief valve profile (Figure)

What is the gas valve? Brief introduction of gas pressure reducing valve: Gas pressure reducing valve is an important gas equipment installed in the corner gas valve of liquefied gas cylinder to connect the angle valve and hose to reduce the output pressure and stabilize the output pressure. The utility model has the advantages of simple structure, Stable pressure, light weight, easy adjustment and other advantages. The utility model is mainly composed of an air inlet, an air outlet, a hand wheel, an upper bonnet, a lower bonnet, an air inlet nozzle, a breathing hole, an upper air chamber, a decompression chamber, a valve pad, a lever, a rubber film, a spring, composition. Through the introduction of gas pressure reducing valve working principle, installation and maintenance, fault analysis and treatment, guide the majority of users on the correct use of gas valve to improve safety awareness and prevent gas accidents. In recent years, residential gas leak accidents occur from time to time, a serious threat to people's lives and property safety. However, when we ruled out ignorance of users' knowledge about gas appliances and analyzed the truth of the accident, we also found that one of the important reasons is that the proper use of gas valve has not yet attracted much attention. According to statistics, 80% of the gas accidents are caused by the quality of the gas pressure relief valves and improper use by users. The author through the gas valve working principle, installation and maintenance, fault analysis and treatment of the introduction, guide the majority of users of the correct use of gas valve, improve safety awareness and prevent gas accidents.

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Abalone mushroom high-yielding cultivation technology abalone mushroom production

Abalone mushroom production is the process of decomposing and using straw waste of mycelium of abalone mushroom and using bioenergy to synthesize high-quality bacterial protein. It has the characteristics of wide raw material source, easy cultivation, short cycle, low investment, quick effect and high yield. It has the unique advantage of not competing with others for raw materials, squeezing labor when not competing with people for food, competing for land, competing with land, or competing with farmers. In addition, a large number of high-quality bacteria produced in production can be used as high-quality fertilizers for agricultural production. Therefore, the cultivation of abalone mushrooms is of great significance in promoting a virtuous circle of agricultural ecology, ensuring sustainable development of agriculture, and increasing the income of farmers.

First, the preparation of cultivation materials:

Formulation 1: 92% cottonseed husk, 5% bran, 1% soybean cake powder, 1% superphosphate, 1% plaster, plus 2% lime.

Recipe 2: Corncob 85%, bran bran 10%, ternary compound fertilizer 1%, plant ash 1%, lime 3%.

Formulation 3: wheat straw powder 75%, bran 10%, cornmeal 10%, lime 2%, gypsum 2%, superphosphate 1%, plus urea 0.3%.

When mixing ingredients, the key is to control the moisture content, generally controlled at 60% to 65%. With wet material in hand, it is advisable to see the water between the fingers without dripping. Mix and suffocate for 30 minutes. The cultivation material is to be fermented by stacking the raw mix materials into a stock pile with a width of 1.0 to 1.5 m and a height of 1.0 to 1.5 m and an unlimited length. After the stockpiles are built, use a wooden stick with a diameter of 4cm to puncture holes in the stockpiles. Each hole is 40-45cm apart, and then cover the plastic film or straw curtain. When the stockpile temperature naturally rises to 65 to 70°C, it is held for 24 hours, and then the first turning is performed. Thus, the turning is performed three times.

Second, loading sowing: When using bags (26 ~ 28) cm (40 ~ 45) cm (0.015 ~ 0.020) cm polyethylene bags. Seed sowing with 3 layers of 2 layers. Sowing rate is generally 10% to 15% of the material is appropriate. After sowing, use a pin or small nail to pierce the holes between the ends and the intermediate bacteria species, and tie 8 to 12 holes. When bagging and sowing, it is necessary to pay attention to the size of the bacterium and the size of the bacterium is generally jujube.

Third, the germ administration: the use of bacterial bag stacking method, generally 2 to 4 layers is appropriate, bags, between the layers to maintain a certain gap, this time management to shade, moisturizing, the greenhouse temperature is controlled at about 20 °C. After germination, the mycelium grows vigorously, the oxygen demand is large, and the management is mainly based on heat dissipation and ventilation. Pay attention to turning and check the contamination of germs. The temperature within the material should not exceed 30%, preferably 20 to 25 °C, this period lasts about 10 days. After the mycelium is over the material surface, it extends into the material until it is full of hyphae in the material. At this time, ventilation and cooling are still the main factors. The color of the mycelium is further thickened, and the mycelium is transformed into fruit bodies. At this time, the management focus is: First, lower the temperature and increase the temperature difference. Generally 8 to 10 °C, low temperature can stimulate the formation of the original base, the temperature below 20 °C is appropriate. The second is to increase the humidity, air relative humidity of more than 85%. The third is to increase the light, remove the sunscreen, use light to inhibit the growth of mycelium, and promote the kinks.

Fourth, high-yield cultivation methods: cultivation of abalone with nutritive soil. Due to the use of sterile, insect-free, nutrient-rich nutrients and auxin-rich nutrient soils, it acts as a self-regulating water and fertilizer source, providing energy and nutrients for abalone mushrooms to achieve high yields. The fruiting biology efficiency is about 150%. The high-yield cultivation of abalone mushroom contains two aspects: preparation of nutrient soil and cultivation method.

1. Preparation of nutritious soil: nutrient soil to be good ventilation, a strong adsorption, a group, therefore, to dig more than 20cm of vegetable garden or fertile soil with fine sand mixing. After mixing and screening, add 3kg of dried chicken manure, 100kg of arboriculture ash, 100g of glyphosate, and 10mL of cypermethrin in 100kg of nutritious soil. Spray the clean well water or tap water onto each layer of soil and mix well.

2. Cultivation methods:

(1) Single-side buried soil cover cultivation: dig trenches with a width of 80 to 100 cm and a depth of 25 to 30 cm every 40 cm, and fill the bottom water. One end of the fungus bag will retain a plastic tube of 6-8 cm, and all other plastic parts will be removed. Keep one end of the plastic tube upright and discharge it in the sulcus, 4 to 5 rows per sulcus. The specific discharge method is as follows: When discharging, the bag mouth is firstly attached, and the gap around 2cm is reserved around the bacteria block. The top surface of the bacteria block is level with the walkway. The top and all sides of the fungus bag are filled with nutrient soil, and then flooded with water for 1 time to soak the boring machine. Each time water is supplied to keep the surface wet.

(2) Underlying soil cover cultivation: dig a width of 80 to 100 cm and a depth of 25 to 30 cm every 40 cm, and fill the bottom water. The fungus bag will retain the plastic film that occupies 1/3 of the surface diameter, and the rest will be removed. The side with the plastic film is facing upwards and the bacteria pieces are discharged laterally in the gingival sulcus. When buds emerge, the upper plastic film is cut horizontally from the middle and pulled apart on both sides, but it is not removed. After a mushroom is finished, the plastic film is pulled back to facilitate the moistening of the lumps, prompting the early squash to simmer, and often spraying water to keep it moist.

Fifth, mushroom management: This stage is the mushroom body that is the formation phase of fruiting bodies, is the key period for obtaining the high yield of abalone mushroom.

1. Primordial period management: Mycelium begins to kink after full growth and development to achieve physiological maturity. At this time, the mycelium should be lightened, humidified, cooled to about 15°C, and the temperature difference should be widened, so that the mycelium at both ends of the fungus bag is twisted into white meat. Small protrusions. If the conditions are appropriate, they will be spread on both ends of the bag or the part of the mushroom after 3 days. The relative humidity of the air is kept between 85% and 90%. If the relative humidity of the primordial surface is relatively low, fine mist can be sprayed to the surrounding environment. However, the surface of the primordial surface cannot contain water. Otherwise, the primordium will be yellow, wilting and rot.

2. Management of mulberry period: The primordium is further differentiated and a bundle of light green buds and buds are formed on the original pile, resembling mulberry. This stage is also sensitive to moisture requirements and still needs to maintain high air humidity. If the surface is dry, fine mist can be sprayed lightly.

3. Coral management: During this period, the stipe is obviously elongated and staggered. The cap is clearly visible and the shape of the coral can be appropriately increased. Indoors or cellar cultivation Properly open windows, doors or vents in order to get enough fresh air.

4. Baby mushroom management: This period is the period when the mushroom body needs the largest amount of water, and the relative humidity of the air is increased to 95%. Generally from the appearance of mushroom buds to the first to take 5 ~ 8d. At this time, the mushroom body is compact, with a fine texture, shiny surface, and the largest weight, and is the best time for harvesting.

6. Harvest: The best time for the harvest of abalone mushrooms is 8-9 ripening, that is, the largest cap within one layer of mushroom is not more than 9cm, and more than 70% of the cap is controlled within 3-6cm. When harvesting, use your hands to gently remove and remove the impurities such as the cottonseed skin on the base of the stipe, and put the bacteria on the bottom and put the stipe upwards into a clean container for sale or further processing.

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Gas pressure reducing valve works

Gas valve working principle what? Gas valve working principle is as follows: [Pressure reducing valve working principle] Gas pressure reducing valve structure as shown in the working principle of the gas valve. We know that liquefied petroleum gas (LPG) is high pressure gas which comes out of the cylinder and then reaches the decompression chamber through the intake pipe. When the user turns off the switch with the gas appliance, as the liquefied petroleum gas entering the decompression chamber increases and its pressure rises, The spring is pressed against the top of the rubber membrane, and part of the air existing in the upper air chamber is exhausted from the valve body by the breathing hole. In this way, forcing the lever to move upward, using leverage to close the valve port, cut off the LPG inlet passage, the pressure relief valve outlet pressure will not rise. When the gas appliance with the switch is turned on, liquefied petroleum gas outflow from the relief valve so that the decompression chamber pressure drops, the rubber film concave, driven lever down, the outside air from the breathing hole into the upper chamber, the valve pad to the In the move, the intake nozzle becomes larger, the intake air volume increases, the pressure increases. This repeated adjustment process so that the decompression chamber pressure is always constant, regardless of intake pressure is high or low, the outlet pressure is always stable, and thus until the role of buck and regulator. ==================================== (This article is published by Asia Fluid Network Fluid Network)

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Artificial intelligence era, the future integration of people and machines

Predictions, good news: The next factory, there will be a machine, a person, a dog. Some work is to come to the masters, machine-assisted; some work is the machine master, people to assist. As for the dog, it rests peacefully, as thoughtfully as a philosopher.

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Autumn pepper and glutinous corn, lettuce multiple cropping pattern

The development of autumn and waxy corn and lettuce in Binyao City, Jiangsu Province, has been explored in production practice in recent years. This model produces 2000 kg of chilli per 667 square meters of produce and 1200 kg of fresh spring corn cob. Lettuce 1500 kg, the output value of 13,000 yuan, net income of 9,000 yuan. Autumn peppers are generally planted in the middle and early August. In early September, ridges are planted in wide and narrow rows. The rows are 50 centimeters wide, 30 centimeters in narrow rows, 25 to 30 centimeters in plant spacing, and 4,000 in 667 square meters. They are listed on the New Year's Day to the Spring Festival. Waxy corn is planted at the end of February and transplanted in late March. Fresh ears are harvested in mid-June. In late May, lettuce is sown and planted at the end of June. Planted at the end of June, the plant spacing is 25 centimeters and 33 centimeters, and 8,000 plants per 667 square meters. About the strain, harvested in mid-August. Usually 7 meters wide, plus a ditch, steel frame spans 6 meters, the central walkway is about 40 cm wide.

1. Autumn pepper breeding strong seedlings choose early and mid-maturity, strong resistance, high yield, good varieties of goods, such as Tianjiao No. 2, No. 5, No. 2, No. 4 Jiangcao, No. 4 Luojiao, No. 1 No. 13, Xiangyan No. 13 and so on, planting 667 square meters of pepper need seedlings 6 to 8 square meters. About 15 days before sowing, 1 kg of compost chicken manure was applied per square meter of seedbed, and 50 g of 45% ternary compound fertilizer was used. Turned into a 1.0-1.2-m wide sorghum flour surface, and used for every 667 m2 of field. 150 grams. Before the advent of the seedbed per square meter, 95% of dexamethasone WP 5g or 50% carbendazim 10 15 15g was added. Mix 2 kg of fine soil and mix well and put it into the bed and scoop it again. Before sowing, the bottom water shall be poured, and then the seeds shall be evenly spread on the seedbed, and the soil thickness shall be 0.8 to 1 cm. After sowing, the seedbed should be covered with wet straw moisture. The nursery shed must be covered with a shade net to prevent exposure and rainstorms. Two-leaf one-time Dingmiao, 8 cm square is appropriate. 15 days before planting, 1500 kg of dry chicken manure, 667 kg of ternary compound fertilizer, and 10 kg of potassium dihydrogen phosphate were applied per 667 m2 of land. The ridge is perpendicular to the shed walkway. The ridge width is 50 centimeters, and the ridge width is 30 centimeters. The ridges are planted in two rows. The row spacing is 30 centimeters along the ridge and the plant spacing is 25 to 30 centimeters. The mulch is laid on the ridge to replant the mulch. , 1 per hole. Planted before the field spray 1 fungicide and pesticides, can be used to kill 1500 times 2.5% enemy liquid and 75% chlorothalonil wettable powder 600 times mixed spray. In the temperature management, when the daytime temperature is stable at 25 ~ 28 °C, the outside shading net can be removed. In mid-October, when the night temperature drops below 15°C, it is necessary to close the film during the night and cool down during the day to reduce the humidity and humidity. Before the arrival of the cold spell in mid-November in November, a small arch shed should be built in time to cover the two membranes. In late November, when the night temperature falls below 5°C, cover straw insulation should be stamped. After December, when the minimum temperature drops below 0°C, a layer of film is kept outside the straw to keep it warm. The greenhouse membrane must be compacted with soil to prevent air leakage. The planting and easing seedlings were poured 1 time with diluted manure water, and the result period was about every 15 days. Combined with watering, 5 to 7.5 kg of topdressing urea was applied per 667 m2. In the middle and later stages of fruiting in December, water is generally not supplied as the temperature drops. The following axillary buds were removed from the peppers. For the weaker plants, the first and second buds should also be removed in time to promote plant growth. After the fall, the chili pepper generally maintains 16 or so fruits per plant. After the first frost, the young shoots, ineffective shoots, and buds should be removed to reduce the nutrient consumption and promote the growth of the hanging fruit. After autumn, the common pests and diseases of pepper are maggots, virus diseases, epidemics, and gray mold. Low-toxic pesticides should be used to prevent and treat the disease.

(2) Waxy corn cultivation Seedlings of strong growth, good resistance and good taste are selected, such as Zhongjing No.1, Suyujing No.1, Zheyuyu No.1 and Q Xiangjing No.1. Choose loose soil and fertile plots as seedbeds. Apply 50 g of calcium phosphate, 25 g of potassium chloride, and 5 kg of diluted manure per square meter of seedbed, and pour in soil and mix well until 10 days before sowing. One seed was sowed per seedling, and after sowing, the film was covered with a plastic film, a small arched greenhouse film, and a greenhouse film. In mid-March, 667 square meters of manure and chicken manure 1000 kg, 45% ternary compound fertilizer 30 to 40 kg, evenly in the greenhouse to do fine. Transplanting spacing 65 cm, spacing 25 cm, mulching cultivation, 10 rows per shed, planting about 4100 per 667 square meters. Planting live water when planting, insulation promote long. Shed period temperature management, during the day 25 ~ 28 °C, about 15 °C at night. In early May, the greenhouse film was removed to increase light and promote sound growth. 8 to 9 leaf stage strong stalk manure, 667 square meters of urea 8 ~ 12 kg, potassium chloride 14 ~ 16 kg, and the cultivator soil and appropriate irrigation, promote aerial root growth. In the big bell-mouth period (about 12 leaves), a panicle fertilizer was applied, and 667 square meters of urea was applied to 14 to 16 kg. When waxy corn is used to draw tassels, 25 kg of corn sorghum and 50 kg of water are used for every 667 square meters.

With the improvement of living standards, snack foods have been deeply loved by the masses of the people. When you walk into the supermarket, you will see snacks such as preserved fruit, sour horns, potato chips, almonds, pistachios, fish fillets, dried meat, and spiced fried meat. Snack foods are gradually upgrading to become the daily necessities of the people. As the economy develops and the level of consumption increases, consumers' demand for the quantity and quality of snack foods continues to grow.

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Big data from concept to landing: 5G will be a catalyst

From May, big data has once again become a topic of concern and discussion of all walks of life. First, the theme of this year's World Telecommunication Day is "to develop big data and expand its influence." After 517 World Telecom recently, with wide publicity by the media, the popularity of big data soared. Second, some days ago in Guiyang organized by the 2017 Fair, the theme is "data to create value, innovation drives the future," communications at home and abroad, Internet companies gathered, people are concerned about the application of big data, focusing on artificial intelligence, intelligent manufacturing and other human influence The future development of the industry, to explore the development of big data, open and sharing, the digital economy behind the big data and other deep issues.

Big data from concept to landing: 5G will be a catalyst

Known as the "21st century gold mine," the big data industry, not only to attract the attention of the information and communication industry, all walks of life are prepared in the big data industry, the Nuggets. Some forecasts show that the scale of China's big data industry reached 16.8 billion yuan, and maintained an average annual growth rate of about 40% to continue upward. In the meantime, as big data has been identified as a national strategic resource, the policies supporting big data in the past two years have been promulgated and quickly put in place to promote the rapid development of the big data industry. More crucially, with the acceleration of 5G technology and application, the development of big data has moved from concept to completion, and the conditions and methods of realizing big data resources have begun to mature.

5G brings a revolutionary revolution

Wu Hequan, a member of the Chinese Academy of Engineering, believes that human society has now entered an era of "Dazhigyun". The combination of big data, artificial intelligence, mobile Internet and cloud computing will surely change the world. And let it all become one of the basic elements of reality is the rapid development of mobile communications technology, especially the development of 5G technology. Wu He Quan said that 5G brings not only wider bandwidth and higher speed, the future 5G is mainly used in industrial areas to solve industrial upgrading and development issues.

In this regard, Qualcomm vividly illustrates: 5G will be the same as the printing presses, the Internet, electricity, steam engines, telegraphs, become a "common technology", is used by almost all industries. Meng j8, chairman of Qualcomm China, also said: "As a next-generation connectivity technology, 5G will do its part to be the catalyst for future innovations like big data."

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Winter outdoor pool heating how to calculate the energy consumption

Swimming pool outdoor open-air swimming pool and indoor heated pool two categories. From the nature of the use of swimming pool, swimming pool, training pool, diving pool, children play pool, etc .; from the nature of the business, there are public swimming pool, commercial hotel swimming pool, there are private villas and other residential swimming pool. However, no matter what kind of swimming pool, there is a requirement to maintain the constant temperature of the water, and the temperature of the water varies with the nature of the use. Swimming pool heat loss in the following areas: (1) pool water due to evaporation, surface conduction, pool bottom and wall conduction and continue to lose heat. (2) As people swim in the swimming pool, a portion of the pool of water will be lost and the heat must be constantly replenished. The supplementary water needs heating and some heat needs to be supplemented. (3) In addition, the entire pool water treatment equipment and pipelines are continuously moving towards the surrounding environment Discharge heat. Some of these losses of heat, we need to continue to supplement, in order to maintain a certain temperature of water. These heat losses, combined with the heat loads of swimming pools and showers, can be referred to as recurrent heat loads. In addition, there is also a one-time water temperature pool replacement of all new requirements. In order to clean, disinfection requirements, in a certain period of time, all the water required to empty the pool, re-enter the warm water. If the supplementary water is cold water (water temperature at 5-15 ℃), then the heat required to heat the entire pool of water is a one-time impact load. 1. Swimming pool water temperature Indoor swimming pool water temperature of 24-29 ℃, outdoor is 22-30 ℃. If the indoor swimming pool has a perfect air-conditioning heating facilities, can be taken as 25 ℃; if the temperature is low, can be taken as 27 ℃. The heat loss is related to the temperature of the water in the pool and also to the ambient temperature. General indoor temperature is higher than the water temperature of 1-2 ℃. Ke Lan Water information show that: the best indoor swimming pool environmental parameters: air temperature 26-30 ℃ water temperature 25-28 ℃ ground temperature 30-32 ℃ wind speed 0.05-0.1m / s relative humidity 50-60% 2. indoor swimming Museum relative humidity to maintain a certain indoor swimming pool relative humidity is necessary. When the outdoor temperature is -10 ℃, relative humidity of indoor air is 50-60% and the heat transfer coefficient of double glazing is 2.9W / m2, the glass window will still be damp and dew; even if the outdoor temperature is -1 ℃ , The room is 28 ℃, it will dew. Therefore, swimming pool venues must be dehumidified.

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The Common Diseases and Prevention of Watermelon during Storage and Preservation Period

The major hazards of watermelon during the storage and preservation period are anthracnose, penicillin rot, cold injury, high co2 and low o2 damage. Among them, anthrax and penicillin rot are fungal diseases, and others are physiological diseases. These diseases cause the decline of the quality of watermelon products, and they cause a large amount of rot, which is a harmful factor that cannot be ignored in the storage and preservation of watermelon. After three years of observation and observation of storage and preservation of watermelon, the symptoms, causes, and prevention and control methods of the disease were summarized as follows. First, anthrax. Anthracnose is one of the common diseases during the preservation period of watermelon. The majority of its pathogenic bacteria have been infected and invaded before the ripening of watermelon. After mature harvest of watermelon, after pre-cooling, immediately stored at a suitable low temperature condition, or treated with a bactericide, the original small lesions develop slowly and diffusely, while the larger lesions are inhibited. If stored above 15°C, the infected watermelon quickly shows symptoms. At the beginning of the disease, pale brown spots appeared on the melon surface, and after the lesions gradually expanded, the color of the surface of the lesions was staggered, and the melon flesh was also sagged with soft rot, resulting in decay and unbearable consumption. Control methods: (1) Spraying 800 times of carbendazim for 7-15 days before harvesting is effective; (2) After harvesting watermelon, 300-600 times of carbendazim is used to dip melon for 10 minutes, dried and stored, and the effect is good. (3) The use of appropriate low-temperature storage can effectively control the development of anthrax at a temperature of 5-6°C. Second, penicillin rot. Penicillic rot is a frequent disease during the storage period of watermelon. The pathogen comes from the watermelon itself and storage place. After harvesting, watermelon touches serious crushing and the incidence is heavier. Penicillium mainly invades guadi and wounds. After gutty infestation, it begins to appear as small white spots. After 10-15 days, the spot expands to form a number of grayish white mycelia. Guatyum has a layer of villous hyphae. Causes Guaty to turn black. Secondly, the watermelon is wounded due to injury or other pests. After being infected by Penicillium, the watermelon initially displays white spots. After 3-5 days, the spots expand, forming white hyphae, and the mycelium can cover the entire lesion after concatenation. The lesion gradually spread outwards, from the surface of the skin to rotten and melon, and there was mildew and taste, and it was not edible. Control methods: The prevention and treatment of penicillin rot disease is basically the same as the prevention and treatment of anthrax. The main reason is to choose disease-free, high-quality fresh watermelon as storage material, pick and place gently, avoid violent vibration during transportation, and minimize wounds. To reduce the incidence of Penicillium infection. In addition, the place for watermelon storage should be 3 days before storage of the watermelon, fumigation with sulphur (10 g/m3), and then closed for 2 days, then ventilation can be. Third, cold damage. Cold damage is above the freezing point, and it is not suitable for physiological and metabolic disorders of fruits and measles caused by temperatures. The critical temperature of chilling injury of watermelon is different due to its variety and origin, and its sensitivity to chilling injury is different. When the storage temperature is lower than the suitable temperature of watermelon, cold injury is easy to occur. For example, the mid-late and late-maturing harvest of Fengshou No. 1 had a chilling injury when stored at temperatures below 5°C. At the beginning of the disease, green varieties of melon surface appear irregular small and shallow dark green spots, then gradually expand, begin to sag, so that the melon surface forms "pock face" shape, when the melon meat is thick, the outer layer becomes soft and gradually inward Layer expansion, also water-like, easy to be infected by bacteria quickly ulceration. Control methods: (1) Spraying 0.4cl2 solution 7-10 days before harvest can increase the content of Ca2+ in the tissue and enhance the resistance of the watermelon. (2) Storage at a suitable temperature can avoid cold damage. For example, the mid-late and late-maturing harvest of Fengshou No.1, the storage temperature is 7.2–12.5°C, and the late-maturing disease-resistant black giant hepatoides, the storage temperature is 5-10°C. (3) Moderate dry conditions, such as relative humidity of 65-80%, are beneficial for disease control. (4) Selection of suitable maturity (8, 9 mature) watermelon storage can reduce the sensitivity to chilling injury. Fourth, high co2 and low o2 damage. Most of the high-co2 and low-o2 damage of watermelon occurred in the atmosphere storage. When the o2 in the atmosphere changed to 1%, or co2 was higher than 3-8%, the injury was easy to occur. In the early stage of victimization, the surface of the watermelon formed dark, small spots, and it gradually collapsed. Afterwards, it gradually expanded to form lesions with obvious boundaries and started to be immersed. In severe cases, the outer epidermis formed a thin layer of relatively brittle crust, and gradually wrinkled and cracked. The skin and melon are separated, and the lesions are eroded or have an alcoholic taste, especially the parts near the seeds are purple, the meat is hard and has toughness, but the flavor deteriorates. The victims suffered from large lesions that spread throughout the entire melon and eventually lost their food value. In controlled atmosphere storage, it is mainly to strictly control the climate change index in the environment. The moisture index of watermelon is o23%-5%, co20.5-2%. Generally every 7-12 days, the gas composition is detected by using the Aussigmatis gas analyzer. When the concentration of co2 increases in a short time, ventilation should be performed as soon as possible to restore the o2 concentration to the normal range, so that the poisoning of co2 can be reduced.

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Logistics + RFID technology delivery speed will increase 3 times

First, an introduction to logistics and distribution

The practical dictionary of modern logistics, said "logistics and distribution" is a common service model, logistics and distribution co-operation, including the use of logistics resources, the common use of logistics facilities and equipment, logistics management and so on. In detail, logistics and distribution is a non-unitary business form of logistics activities. It is closely integrated with the business flow, logistics and capital flow, and mainly includes the business flow activities, logistics activities and capital flow activities. It can be said to include One of the business forms for most of the necessary elements of logistics activities.

Second, the traditional logistics and distribution defects

(1) lack of accuracy of inventory statistics

(2) fill in non-standard orders

(3) loss of goods

(4) inventory of goods

(5) labor costs

Third, RFID technology in the application of logistics and distribution methods

Aiming at the problems existing in the traditional logistics distribution center, this article introduces in detail how to apply RFID technology in the distribution center from the following aspects.

Storage and inspection

When the electronic tagged goods arrived at the distribution center, the entrance of the reader will automatically read the label, according to read the information, the management system will automatically update the inventory, at the same time, according to the needs of the order, the corresponding goods sent The right place. This process greatly simplifies the traditional procedures of cargo acceptance and storage, eliminating the cumbersome tasks of inspection, documentation and inventory.

Sort and replenish the goods

Cargo vehicles equipped with a mobile reader automatically organize the goods, automatically deliver the goods to the correct location as instructed by the Computer Management Center, and update the inventory of the computer management center with the latest cargo location. The stock replenishment system will automatically apply to the Management Center when there is a shortage of the specified quantity and replenish the corresponding quantity of goods at the appropriate time according to the order of the Management Center. When arranging goods and replenishing stock, if there is any pile of goods found in the wrong place, the reader will alarm the management center at any time and the delivery car will re-stock the goods to the designated correct position according to the instructions.

Fill in the order

Through the RFID system, inventory and management centers are closely linked, and fill in the order form in the management center, will be shipped, the library, inspection, update inventory catalog into a whole, to minimize the occurrence of errors, but also Save manpower.

Goods shipped out of storage

After applying RFID technology, the transportation of goods will be highly automated. When the goods out of the warehouse in the distribution center, through the effective range of the reader at the exit of the warehouse, the reader automatically reads the information on the label of the goods and can transport the goods out of the warehouse directly to the retailer without scanning.

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IOT wisdom agriculture greenhouse environmental monitoring which technology?

OFweek Internet of Things: In China, the agricultural Internet of Things has been gradually developed into a new model of agricultural planting. Agricultural cultivation in all regions is centered around the Agricultural Internet of Things. So what are the solutions to modern intelligent agriculture based on agricultural Internet of Things Technical characteristics of it?

IOT wisdom agriculture greenhouse environmental monitoring which technology?

First, the monitoring system

Based on XL.SN Wireless Sensing Network, Shenzhen Xinli Intelligent Agriculture IOT greenhouses environmental monitoring solution can wirelessly collect and monitor plant growth environment information such as monitoring soil moisture, soil temperature, air temperature, air humidity, light intensity, vegetation Nutrient content and other parameters. (Other parameters can also be optional, such as soil pH, conductivity, etc.) Information collection, is responsible for receiving data from the wireless sensor aggregation node, storage, display and data management, to achieve all the base test point information Obtain, manage, display and analyze the data in an intuitive chart and curve display to the user. Based on the feedback of the above information, the agricultural park will automatically irrigate, automatically cool down, automatically roll the mold, automatically fertilize the liquid fertilizer, automatically Spraying and other automatic control.

In the agricultural park to achieve automatic detection and control of information, equipped with wireless sensor nodes, solar power supply system, information collection and information routing equipment, equipped with wireless sensor transmission system, each wireless sensor node configuration, each wireless sensor Nodes can monitor soil moisture, soil temperature, air temperature, air humidity, light intensity, plant nutrient content and other parameters. Other parameters can also be optional, such as soil pH, conductivity and so on. Information collection, is responsible for receiving data, storage, display and data management sent by the wireless sensor aggregation node so as to obtain, manage, dynamically display and analyze the information of all the base test points in an intuitive graph and curve manner to the user, And according to the needs of planting crops to provide a variety of sound and light alarm information and SMS alarm information.

Second, real-time image and video surveillance capabilities

The basic concept of agricultural IoT is to realize the relation network between crops and the environment, soil and fertility, and manage the suitable growth environment and fertilizer management of crops through multi-dimensional information and multi-level processing. However, as a person managing agricultural production, mere numerical association of objects does not completely create the conditions for crop growth. Video and image surveillance provide a more intuitive representation of the relationship between objects and objects. For example: what piece of water, in the IOT data on the single point of view can only see the moisture data is low. To what extent irrigation should not be rigidly based on this data to make decisions. Because of the inhomogeneous agricultural production environment determines the congenital malpractice of access to agricultural information, and it is difficult to make breakthroughs from simple technical means. The reference of video surveillance directly reflects the real-time status of crop production. The introduction of video images and image processing can not only directly reflect the growing status of some crops, but also reflect the overall status of crop growth and nutrition level laterally. As a whole, farmers can be provided with more scientific basis for planting decision-making theory.

Third, economic benefits

IoT smart agriculture solutions need to be refined to specific farms, so more reliable and adaptable, which not only improves the intelligent application, but also saves energy and protects the environment. It can be recycled to reduce costs and improve efficiency. . The specific direction can be integrated into the following aspects:

1, agricultural resources

Land resources, water resources and means of production can be more effectively dispatched by high-energy energy-saving and efficient means.

2, agricultural ecological environment

Making the ecological chain richer, soil, air, water, weather is more suitable for people's production and life.

3, agricultural production process

More intensive, using intelligent equipment, to achieve green health farming.

4, agricultural products and food safety

Can achieve the origin environment, post-natal storage and processing, logistics and transportation, real-time query the entire supply chain.

5, equipment and facilities

Can achieve information sharing, remote diagnosis, service scheduling.

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Car battery security! Nanhu District, promote the use of Internet of Things technology "anti-theft tag"

Electric bicycles are used by many people means of transport, but also the key target coveted by theft, and once the electric car stolen, it is difficult to find it back, how to break the problem? "Tall" Internet of Things heard about it? Nanhu District is doing such a major event: the use of Internet of Things technology to protect the masses of electric vehicles, this is new enough!

Xiao Bian June 7 from Nanhu District Public Security Bureau was informed that upholding the "people's livelihood security is the first police" concept, in order to effectively prevent "two cars" theft occurred, since the beginning of the year, Nanhu whole district efforts to promote the installation of Internet of Things electric vehicles Anti-theft device activities, so far, 4397 electric bicycles have been installed "anti-theft tag." This year, Nanhu District, electric vehicles, "anti-theft tag" dynamic installation rate will reach 70% or more, and strive to stolen cases of electric vehicles fell more than 50%, stolen vehicles chase the rate of 50% or more.

So, what is the "anti-theft tag" for electric vehicles, can we expect it to play such a big role? Xiao Bian learned that the label itself looks unadorned, just a small electronic device, the real work is the Internet of Things technology, because the "anti-theft tag" is actually a wireless launcher, once the installation of anti-theft tag electric car stolen , The police through the signal receiver, you can track the city within the cloth control to determine the approximate location of the anti-theft tag, the police and then through handheld devices, the stolen vehicles pinpointed to find stolen vehicles.

Indeed very powerful! Master Gong Xinfeng town has been experienced, and his electric car was stolen so find it back. Incident April 8, the morning of the same day Gong master locked downstairs electric car stolen, alarm, because of his electric car installation of "anti-theft tag", police immediately into the electric bicycle intelligent control platform, the electric master Gong Car positioning tracking, the same day around 4 pm, found that Master Gong electric car "anti-theft tag" movement signal eventually stopped in the town of Xiayi junction, follow this trajectory, police rely on handheld devices issued by the frequency of calls, In an electric car repair shop to find the ghost electric car stolen Master Gong, at that time, the thieves holding fake ID card, this electric car has been sold to the repair shop for 800 yuan price. "Electric car lost a real pain, can find back very happy, this 'anti-theft label' really very useful!" Master Gong said.

"To promote the installation of IoT electric vehicle anti-theft devices, is to be able to detect more cases of electric vehicles stolen such a small case, so that residents more secure." Public Security Bureau of Nanhu District, the relevant person in charge, since this year, some cases prove "Anti-theft tag" does solve the case can play a positive role in this small equipment installation costs 45 yuan / car / three years, the price is not high, and in order to benefit the people, Nanhu Public Security also with mobile companies to launch recharge 100 In addition, the public security department of Nanhu District also cooperates with the insurance company to purchase vehicle insurance for the vehicles with labels installed, the premium is 55 yuan / car / three years (and another 20 Yuan / year, 40 yuan / two years of choice), if the vehicle is not recovered after the stolen get the appropriate claim.

According to the person in charge above, as the construction of public security IoT is getting more and more perfect, residents in Nanhu District will enjoy a more peaceful living environment. According to the "Notice of Jiaxing Municipal Public Security Bureau on Promoting the Construction of Public Security IoT in the City" , Traffic arteries and high-risk areas to install radio frequency identification prevention and control system. At present, Nanhu District has completed 600 road front detectors, basically covering the urban area and surrounding areas. The person in charge said that the electric car "anti-theft tag" is an application of the technology, South Lake District, any one police station can be installed to the public to install, you need to bring my ID card and electric vehicle purchase certificate (if the receipt or invoice Lost, may fill in the field "vehicle owner statement" to prove the source of vehicles), in order to facilitate the public near the installation, then the police station will enter their respective area enterprises and institutions, residential areas set up mobile installation point.

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