Sorbitan monostearate is a food additive prepared by the esterification reaction of stearic acid and sorbitol. About Sorbitan monostearate: The Ministry of Health of the People's Republic of China issued the National Food Safety Standard for Sorb…
Applewill hold a new product launch conference on the 14 th OnTuesday, Apple issued an invitation letter to the media, announcing that itwill hold its annual new product launch conference on September 14. In additionto the new iPhone, a new generatio…
What is gallium-nitride? A new semiconductor material, gallium-nitride, has high band gaps, thermal conductivity at high temperatures, radiation resistance and acid resistance. It also exhibits high strength, hardness, and toughness. It is used exten…
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