知乎，让每一次点击都充满意义 —�?欢迎来到知乎，发现问题背后的世界。 He called the blue crystals that fashioned carborundum, believing it being a whole new compound of carbon and aluminium, much like corundum. Henri Moissan also synthesized SiC by numerous routes, including dissolution of carbon in molten silicon, melting a combination of calcium carbide and silica, and by minimizing https://remingtonefdbb.amoblog.com/colour-of-manganese-dioxide-fundamentals-explained-57633516