Customized NETS

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Bir kuralı çiğnersem ne olur?
İhlalin ciddiyetine bağlı olarak farklı bir yol izlenebilir, ancak genel uygulama şu şekildedir:
1. kural ihlali (Küçük ihlal):
Düzeltilir, mesaj gönderilir, başka işlem yapılmaz.
Daha ciddi bir ihlal için bir uyarı verilecektir. Bu adınızın karşısına bir kuralı çiğnediğinizi bildiren bir işarettir.
2. kural ihlali.
İkinci bir uyarı
3. kural ihlali
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Başka bir kural ihlali hakkında:
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Kurallarla ilgili herhangi bir sorunuz varsa, bize forum@charlotteturks.org adresinden mesaj atmaya çekinmeyin.
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ghtrh1rg
Mesajlar: 10
Kayıt: Sal Eyl 12, 2023 10:40 pm

Customized NETS

Mesaj gönderen ghtrh1rg »

Customized NETS The Hail net for agriculture is a kind of mesh fabric made of polyethylene with anti-aging, anti-ultraviolet and other chemical additives as the main raw material, and has the characteristics of high tensile strength, heat resistance, water resistance, corrosion resistance, aging resistance, it has the advantages of non-toxic and tasteless, and easy disposal of waste. It can prevent natural disasters such as hail. Regular use and collection are light, and the lifespan of correct storage can reach about 3-5 years.
Hail net for agriculture is a practical and environmentally friendly agricultural new technology that increases production. By covering the scaffolding to build an artificial isolation barrier, the hail is kept out of the net, and the weather of various types of hail, frost, rain and snow can be effectively controlled and prevented. due to weather hazards. And it has the functions of light transmission and moderate shading of hail prevention nets, creating favorable conditions for crop growth, ensuring that the application of chemical pesticides in vegetable fields is greatly reduced, making the output crops high-quality and hygienic, and providing the development and production of pollution-free green agricultural products. Strong technical guarantee. The Hail net for agriculture also has the ability to resist natural disasters such as storm erosion and hail attack. Hail-proof nets are widely used in the production of original seeds of vegetables, rapeseed, etc. to isolate the introduction of pollen, and the detoxification of tissue culture and pollution-free vegetables such as potatoes, flowers, etc. It is currently the first choice for physical control of various crop and vegetable pests.
Hail is a kind of sudden natural disaster, often a few minutes of hail in a short period of time will cause huge economic losses to apple orchards. Hail not only directly smashes fruit ears, young shoots and leaves, but also often causes a large number of wounds to the plants, which leads to the occurrence of various diseases and insect pests such as white rot and acid rot. Because hail is a sudden natural disaster, very accurate forecast is still difficult. Therefore, it is of great significance and effect to do hail prevention work in advance in areas where hail often occurs.
In addition to fruit bagging in cultivation, the Hail net for agriculture technology in apple orchards is a main method to effectively reduce hail disasters by setting up a special hail prevention net for apples. The ground can play the dual role of anti-hail and anti-bird at the same time.
The mechanism of action of the Hail net for agriculture is the interception effect. The Hail net for agriculture can intercept all hailstones with a diameter greater than or equal to the mesh of the hail-proof net on the net, so that they cannot cause damage to the fruit. The second is the buffering effect. After the hail with a diameter smaller than the mesh falls, it collides with the hail net wire. Most of the kinetic energy of the hail falling is absorbed by the hail prevention net, which acts as a buffer. After the second fall, the kinetic energy of the hail becomes very small, and the kinetic energy of hitting the fruitss again has Not enough to cause damage to the fruitss. Due to the uneven force on all sides when setting the net, the mesh size is rarely quadrilateral, but mostly rhombus. On the other hand, hail is mostly accompanied by strong winds during the landing process. The smaller the hail, the greater the influence of the wind. If the net is not set up, the windward side of the fruit ears will be severely damaged after the hail falls, and the leeward side will be lighter, and the hail will hit the line at a certain angle during the landing process. Therefore, the actual probability of collision of the Hail net for agriculture will be much higher than the theoretical value; in the end, only a few hail will pass directly through the mesh. On the surface, the erection of hail prevention nets is a passive beating, but it is actually an active and effective defense measure. The successful development of this technology has replaced the anti-aircraft artillery hail prevention that has been used for many years, and is a major technological innovation in the history of artificial hail prevention. Using the mathematical probability theory, the probability of the hail hitting the hail net wire is analyzed, and the probability model of the hail hitting the hail net is obtained. The probability model of the hail collision line of the square hail net: 伪4=2LR-R2L2脳100% (R<L) R is the diameter of the hail, and L is the length of the side of the hail net. Using the probability model of the hail net collision line to accurately assess the damage caused by hail nets in different regions and different sizes to fruitss, and to determine the appropriate mesh size on the basis of mastering the hail occurrence law, it can provide a theoretical basis for artificial hail prevention in vineyards in hail areas.Customized NETS
website:http://www.sino-topway.com/nets/
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