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。 In regards to its production, silicon is used mostly like a substrate to mature the graphene. But there are actually numerous procedures that can be used to expand the graphene to the silicon carbide. The confinement managed sublimation (CCS) advancement method is made of a SiC chip which https://glass-lined-carbon-steel73950.jiliblog.com/92369170/new-step-by-step-map-for-what-color-is-alumina