生物柴油是由动植物油脂或长链脂肪酸与甲醇等低碳醇合成脂肪酸甲酯，是一种环境友好型可再生能源。
Biodiesel, also known as fatty acid alkyl esters which are made from renewable biological sources such as vegetable oils or animal fats, is a sort of renewable energy of friendly environment.
短链淀粉有利于形成A型结构，而长链淀粉倾向于形成B型结构。
Shorter chain starch is favorable to form A-type crystallite; while longer chains starch is favorable to form B-type crystallite.
三酯型乌头生物碱的C位乙酰基被各种长链脂肪酰基取代的酯交换反应为首次报道。
It is the first time to report that C8-acetyl is displaced by long chain fatty acyl for triester-aconitines in the ester-exchange reactions.
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