Ethyl and propyl gallate were synthesized without water carrying agent.
乙酯和丙酯的合成还摒弃了带水剂。
Obtained from the extraction of fragmented roasted coffee beans, using water as the only carrying agent.
它是从烘焙咖啡豆的提取物中获得,使用水作为唯一的载体。
The effect of the different types of the reductant and water-carrying agent on the yield was investigated.
考察了不同还原剂和带水剂对反应收率及产品质量的影响。
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