用鎂還原二氧化矽可得無定形矽。用碳在電爐中還原二氧化矽可得晶體矽。電子工業中用的高純矽則是用氫氣還原三氯氫矽或四氯化矽而製得。 Nevertheless, IRENA has identified that as demand for important minerals and materials has increased speedily, present recycling technological know-how and infrastructure are still lagging. 产品描述: 江苏博思特是一家专注于创新化学产品研发的科技型企业。我们的经... https://socialcreditu.com/post/10730_stearic-acid-is-a-key-ingredient-in-lubricants-cosmetics-and-pharmaceuticals-dis.html