Betaine surfactants It is created by the response of fatty tertiary amines and salt chloroacetate, including cocoylpropyl betaine, dodecyl betaine,...

On December 4, the US media revealed that to combat the underground tunnel system of the "Hamas" organization in the...

Introduction of 100 Amp thyristors With the continuous development of power electronics technology, thyristors, as an important semiconductor device, play...

What is silicon nitride? Properties of silicon nitride powder Silicon nitride is a ceramic material with high hardness, stable structure,...