The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.
乌洛托品法是合成已基香兰素的一方法,它操作单,原料易得,高。
The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.
乌洛托品法是合成已基香兰素的一方法,它操作单,原料易得,高。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。