Can the straw be burned by farmers?

[China Agricultural Machinery Industry News] Recently, cold air swept through most of China, and at the same time many cities are still facing the madness of smog. On November 18, the Central Meteorological Observatory has issued an early warning of smog orange. In this year's analysis of the c-----!

Coal mine hanging cable safety measures

According to the mine work arrangement, our team will organize and hang the cable of xxxx lane. In order to ensure the safe and smooth operation of the finishing and hanging cables, the special security technical measures are as follows: I. Overview The cables of xxxx lane have ventilation gas mon-----!

Give an example of how to handle chemical waste?

Give an example of how to handle chemical waste? Answer: (1) Acidic waste liquid. The waste liquid is slowly poured into an excess of an aqueous solution containing sodium carbonate or calcium hydroxide, or neutralized with a spent caustic solution, neutralized, and rinsed with a large amount of wa-----!