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。 Solar cells, semiconductors detectors, transistors as well as other semiconductor gadgets used in Personal computer market are made using silicon. However, he went no further more with his individual investigation. It wasn't right up until four yrs later that German chemist Martin Heinrich Klaproth (1743�?817) returned... https://glass-lined-dip-pipe59360.blog-kids.com/36065468/the-5-second-trick-for-is-boron-carbide-a-ceramic