- Heat treatment is …1. Intuitive method: For powder pesticides, first look at the appearance of the medicament. If it is agglomerated by moisture, the taste of the medicine is not strong or has other odors, and it can be pinched into a group, indicating that it has basically failed; for the emulsion pesticide…Abstract Stock code: 300179 Stock abbreviation: Sifangda Announcement No.: 2013-042 Announcement of the Resolution of the 15th Meeting of the Second Board of Directors of Henan Sifangda Superhard Materials Co., Ltd.…Recently, the “Safe Production Elemental Management System†of the Tingxia Reservoir was awarded an invention patent by the State Intellectual Property Office. This is another honor since the technology was granted a utili…In the process of growth and development of crops, in addition to a large number of elements such as NPK, a certain amount of trace element fertilizer is needed. In autumn-sown crops, zinc fertilizer is applied to wheat, boron fertilizer is applied to rapeseed, molybdenum fertilizer is app…
Non-polluted vegetables mainly refer to vegetables that have not been contaminated by harmful substances. In other words, commercial vegetables do not contain certain toxic substances that are not allowed to be contained, and some unavoidable harmful substances …
At present, the market is prosperous, some companies only care about sales, regardless of quality, only to promote, do not do R &a…
Renovation is the primary problem after the purchase, and there is no specific standard in the decoration. Many people in real life often spend a lot of money, but the house that is decorated is not good …
Of course, in addition to the application in petroleum, there are many other uses of polyacrylamide, such as for industrial wastewater, sewage treatment, textile sizing, including for the paper industry. In oil exploitation, polyacrylamide products can be said to be indispe…
At present, the market of the ceramic sanitary ware industry is bleak, excess production capacity, and saturation of the industry…
Few people know how the principle of the surge protector works. Everyone only knows the role of the surge protector. It is used to protect the electronics.
Electrical equipment to avoid damage from overvoltage or surge energy, then what is "surge energy&qu…
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