The Kiefsett method is a flash smelting method.

The Kifuset method was developed in the former Soviet Union. In 1986, the Usti-Kamenno Goske lead smelter, which processes 400-500 tons of furnace charge, was built in Kazakhstan. In 1987, the company was built in Italy. The Westminster Lead Smelter, which processes 600t of charge, produces 80kt of

What is a microclimate observer?

The microclimate is different from the macroclimate. Generally speaking, the weather forecast we see on TV mainly predicts the macroclimate environment. In agricultural production, it is often the microclimate that directly affects the growth of crops. Therefore, in agricultural meteorol

The bus caught fire, would you?

I still remember that on July 19 this year, a tourist bus on the 2nd road in the Taiwan region of China caused a fire and caused 26 deaths; on June 26, a tourist bus in Yizhang County, Hunan Province, was hit by a crash. There was an oil spill from the fuel