研读化学史可以发现,人类早期的化学活动主要是发生在中国,其内容大都是炼丹、陶瓷烧制、火药配制等生产内容。因此,这些人类本来以生产物质为主要目的的化学(试验)实验,其中更具有实用价值的制作工艺、方法、流程等在份 Study of chemical history can be found, the early chemical activities in humans mainly occurred in China, its content is mostly alchemy, ceramic firing, powder preparation and other production content. Therefore, these human beings originally used chemical (experimental) experiments with the main purpose of producing substances, among which the more practical value of the production process, method, process, etc.