网络例句
月桂烯
- 与 月桂烯 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Furoin was synthesized from furol with VB1 as the catalyst,which was then reacted with acetyl chloride, lauroyl chloride ,benzoyl chloride,α-furoyl chloride and 3-α-furyl acryloyl chloride,respectively;corresponding monoester compounds of furoin were synthesized in THF in the presence of sodium hydroxide under reflux.
以糠醛为基础原料，经维生素B1催化合成糠偶姻，再由糠偶姻分别和乙酰氯、月桂酰氯、苯甲酰氯、α-呋喃甲酰氯和3-α-呋喃烯丙酰氯反应，在NaOH/无水THF体系中，于水浴回流条件下合成了相对应的糠偶姻单酯类化合物。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了，但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场，你等着挨绳子吧！
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。