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 ...
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As semiconductor manufacturing processes continue to make breakthroughs, a famous sta...
First knowledge of electric water pump
The water pump is an important part of the automobile engine system. In the cylinder body of the automobile engine, there are several water channels fo...
Graphite electrode is mainly used in EAF steelmaking. Electric furnace steelmaking is to use graphite electrode to introduce current into the furnace. The strong current generates arc discharge thr...
Lithium-ion batteries are mainly developing in the direction of high energy density. At room temperature, silicon-based negative electrode materials alloy with lithium to produce lithium-rich produ...
What is BCD process?
BCD process is a single-chip integrated process technology first introduced by ST in 1986. This technology can make bipolar, CMOS and DMOS devices on the same chip. Its appea...