Miao fertilizer Method for preparing nutrient soil: Mixing vegetable garden soil with high-qu MORE
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Vegetable topdressing should pay attention to two aspects: one is to supplement nutrients (nitr MORE
Semiconductor manufacturers have been looking for rapid cooling methods for epoxy and eutectic sol MORE
1. Alkaline fertilizers such as ammonia can not be mixed with pesticides such as trichlorfon, d MORE
Balanced fertilization is usually carried out in the following ways and steps: (1) Soil test: MORE
First, the dilution of liquid pesticides can be directly diluted when the amount of liquid is s MORE
New technologies such as infrared probes have become a new anti-theft measures for families
What kind of family is easy to be stolen? The police have a form of danger prediction: residents on MORE
Pusheng Electric developed PS109e high-speed high-grade air jet loom
Shaanxi Pusheng Electric Co., Ltd. has successfully developed the PS-109e high-speed high-en MORE
Application of surfacing on the main blade of the loader (2)
Third, the analysis of surfacing effect 1. Analysis of deposited metal in surfacing layer The che MORE
〠Abstract 】 In this paper, the properties of W18Cr4 V steel are analyzed in detail, a MORE