Pesticides are not equal to poison

The term " pesticide residue" refers to a trace amount of pesticides remaining in organisms, agricultural products (or foods) and the environment after use of pesticides. In addition to pesticides, it also includes toxic metabolites and impurities of pesticides. It i ...more...

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Linear extension structure based on spring-frame system

Thin film structure surface expansion algorithm based on spring particle system To flatten the diaphragm of the space to the plane, to obtain a two-dimensional diaphragm, it is first necessary to define a space on the selected plane and the space diaphragm has the same in the parameter domain an ...more...

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Research on the turning structure of CNC lathe

The guide sleeve is an important part in the hydraulic support of the coal mining machinery industry. The hydraulic cylinder piston and the guide sleeve are a pair of friction pairs. If the dimensional accuracy is not high, the piston will cause friction due to friction and wear during long-term re ...more...

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Analysis of nutritional needs and feed preparation tech…

The breeding of lactating sows is the most complicated and important part of the production of pig farms, because the performance of lactating sows directly affects the growth and survival rate of piglets, which is the key to good results. However, in production, lactating sows are often over-fat o ...more...

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Application of spiral lower knife in CNC milling machin…

1. Analysis of the spiral lower knife During the spiral lowering process, the tool travels along a spiral on a cylinder surface as shown in the drawing. When the tool is continuously running, the projection of the annular region formed by the rotation of the end edge on the bottom surface and the ...more...

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Detailed five gold rules for pesticides

Scientific application of pesticide technology is the guarantee of prevention and treatment. Only when pesticides are used strictly in accordance with the operating procedures can the ideal control effect be achieved. What are the five gold codes for pesticides? Here are the i ...more...

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World tile adhesive market still has room for developme…

The China Market Research Center is a former subsidiary of the National Bureau of Statistics. It processes the statistical industry data of the National Bureau of Statistics and the national customs import and export data processing; and searches the UN database data, uses a mathematical m ...more...

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