Standard for safe use of pesticides

The safe and scientific use of pesticides is essential, and if used improperly, it will pose a certain threat to people's health. Therefore, farmers' friends are more aware of the safe use of pesticides, which is especially important for protecting the health of themse ....

Electrode in the primary battery

The electrode is an essential part of the primary battery. A device that generates a current using a spontaneous redox reaction is called a primary battery, and a primary battery must consist of two basic components: two electrodes and an electrolyte solution. An electrode that gives an electr ....

Factors that affect the self-priming pump self-priming …

Factors that affect the self-priming pump self-priming performance (1) Reservoir volume For the gas-liquid hybrid self-priming pump, increasing the volume of the reservoir, increasing the storage capacity, can make the self-priming time have different degrees of shortening. (2) The gap between the ....

From the mahogany raw material big leaf Dalbergia said …

With the scarcity of raw materials for mahogany, especially since the scent of rosewood (commonly known as Hainan huanghuali) has almost disappeared in the market, people have begun to pay attention to the new wood that can be replaced. With the continuous rise of the “new “nationa ....

Plastic steel door quality inspection standard

Plastic steel doors and windows product quality inspection standards The product quality inspection requirements for the group fan workshop are as follows: Check that the glass size in the drawing is correct, and check the glass without error. After cutting the plan, it is guaranteed to lose ....

Professor Fang Xiaohu is a guest superhard material net…

On November 29th, Professor Fang Xiaohu and his wife visited the China Superhard Materials Network to visit the guest. They were warmly received by the general manager of the website, Liu Jinchang, the website consultant Professor Wang Guangzu and the executive deputy general manager Shi Chao. Prof ....

Bamboo flooring has become a model for building energy …

In terms of price, the bamboo floor is between the solid wood floor and the diamond plate, which is equivalent to the solid wood board of the genus Gaba. In terms of stability, bamboo flooring shrinks and expands less than solid wood flooring. However, the shortcomings of bamboo flooring in a ....