速英语 / “乙氧基”造句

“乙氧基”造句

2024年06月25日 18:23:54
R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.
R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.

蒸馏得质量分数高于98%的邻乙氧基苯甲酸,收率为92%.
Distillation gave o ethoxybenzoic acid with 98 % of the purity and 92 % of the yield.

对仲醇乙氧基化物在家庭及工业领域内的应用做了介绍.
The author also introduced applications of SAE in household and in ˉ industrial fields in the paper.

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