Members of the European Parliament and the Council of the European Union have agreed on a new law requiring a dramatic increase in the number of charging points and refueling stations for electric ...
Three main types of silicon carbide polymorph
There are about 250 crystalline forms of silicon carbide. Because silicon carbide has a series of homogeneous polytypes with similar crystal structure...
Hydrogen pressure reducing valve is a very important equipment, it can effectively control the pressure of hydrogen in the pipeline, the normal operation and use of hydrogen.
With the development o...
1, cylinder sieve
(1) Construction of cylindrical sieve
The cylinder screen is mainly composed of a transmission system, a main shaft, a sieve frame, a screen mesh, a sealed casing and a frame.
In ...
Introduction of graphite flexible felt
High temperature graphite felt has the properties of light weight, good disturbance, high carbon content, high temperature resistance, no volatilization at h...