Natural Sciences

People discovered acid rain for the first time in 1872, when British chemist Mr. Smith found that the rain in London was obviousl...

If the pH of the rain keeps increasing and acid rain takes shape, huge destruction will be brought to the environment. But what is...

Rain can wash out the dirt in the air and bring freshness. However, an invisible may hide in this drizzling rain. That is acid ra...

Rain can wash out the dirt in the air and bring freshness. However, an invisible may hide in this drizzling rain. That is acid ra...

Northwest district refers to the Xinjiang, the west of Gansu and the northeast of Qinghai. This region has less sudden natural d...

Northeast region refers to the areas such as Heilongjiang, Jilin and the east of Inner Mongolia. There are various natural disaste...

Northern China area refers to the regions such as the middle of Inner Mongolia, Shanxi, Shanxi and Henan. There are various natura...

Vapor flux Because the system that affected this rainfall process was different, so the source of water vapor was not the same. In...

Vorticity The vorticity field distribution map of 700hPa at 20 o'clock on July 19th. The center of the positive vorticity was in ...

The rainfall process from 2 to 14 August. The rainfall in this period was formed by two weather processes. From August 2nd to 6th,...