The origin of the name epitaxial wafer
First, let’s popularize a small concept: wafer preparation includes two major links: substrate preparation and epitaxial process. The substrate is a wafer mad...
“Magic material” graphene can be used for rapid and accurate detection of COVID-19
According to foreign media reports, researchers at the University of Illinois at Chicago have succ...
Fuel cell is a kind of power generation device, which converts chemical energy in fuel into electric energy by redox reaction of oxygen or other oxidants. The most common fuel is hydrogen, which ca...
Atmospheric pressure sintered silicon carbide is a non-metallic carbide with silicon and carbon covalent bond, and its hardness is second only to diamond and boron carbide. The chemical formula is ...
Carbon-carbon composites are a type of carbon fiber composites, with carbon fiber as the reinforcement material and deposited carbon as the matrix material. The matrix of C/C composites is carbon. ...
The second authorization bill defines a method for calculating life-cycle greenhouse gas emissions from renewable fuels from non-biological sources. The approach takes into account greenhouse gas ...