According to the overall arrangement of the standardization work, 10 mandatory national standard plan items such as the “Graphite Product Energy Consumption Rating” will be published (see Annex 1),...
The thermal conductivity and electrical conductivity of graphite rods are quite high, and their electrical conductivity is 4 times higher than that of stainless steel, 2 times higher than that of c...
Household/vacuum pump market 2020: market size, compound annual growth rate, demand, in-depth assessment and opportunity analysis 2024 and data from major countries
The global “vacuum pump ma...
As a kind of power generation device that converts chemical energy in hydrogen and oxidant into electricity, the gas tightness of fuel cell stack is very important. This is the test of VET for the ...
Semiconductor device production mainly includes discrete devices, integrated circuits and their packaging processes.
Semiconductor production can be divided into three stages: product body materia...
Triangular defect
Triangular defects are the most fatal morphological defects in SiC epitaxial layers. A large number of literature reports have shown that the formation of triangular defects is...