[Meter's Latest Patent] An Internet of Things Smart…

[Chinese instrument network meter patent] creative limit, instrumentation invention. Today we introduce a national invention-authorized patent - an Internet of things smart meter. The patent was applied by Chengdu Zunhua Rongyu Technology Co., Ltd. and obtained the authorization announcement on Ja-----

New method for manganese oxide ore leaching

In order to rationally and economically utilize manganese oxide resources, various manganese extraction technologies have been developed, such as fire smelting method, reduction roasting acid leaching method, water smelting method, etc., and the reduction leaching method is one of the more economic-----

Rare earth and atmosphere

At present, the power of motor vehicles in China is still mainly fuel oil. Due to incomplete combustion of oil, exhaust gas emits harmful gases. When the air-fuel ratio is too small, the "concentrated combustion" is formed, and the carbon monoxide (CO) and hydrocarbon (HC) in the fuel are-----