| 释义 |
methylene group
释义
亚甲基
例句
1·One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group.
活性 亚甲基上的一个 氢原子 是被环氧基所取代的。
2·The relative removal rate of methyl and methylene group showed the shape of M with the increase of temperature.
甲基与亚甲基的相对脱除速率随温度呈现M型关系。
3·Carbasugars carbocyclic analogues of true sugars are compounds in which the ring-oxygen of furan oid or pyranoid sugars is replaced by methylene group .
摘要碳环糖是一类呋喃或吡喃糖环中的氧原子被亚甲基取代后形成的糖类似物。
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