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...
Early wet etching promoted the development of cleaning or ashing processes. Today, dry etching using plasma has become the mainstream etching process. Plasma consists of electrons, cations and radi...
Solid lubricating bearings use metal materials as the foundation, and form well-ordered and appropriately sized holes on the foundation, and then embed oil-containing graphite or molybdenum disulfi...
Fuel cells have become a viable eco-friendly power source, and advancements in the technology continue to be made. As fuel cell technology improves, the importance of using high-purity fuel cell gr...
A semiconductor is a material whose electrical conductivity at room temperature is between that of a conductor and an insulator. Like copper wire in everyday life, aluminum wire is a conductor, and...