methylene中文什么意思

n.
【化学】甲叉，甲撑，亚甲(基)。

• active methylene:    活性次甲基; 活性亚甲基
• blue methylene:    亚甲蓝,甲烯蓝,美蓝
• diphenyl methylene:    二苯亚甲基

例句与用法

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1. The reactor and transfer line are rinsed with several small portions of methylene chloride .
   反应器和输送管线被用少量二氯甲烷洗涤几次。
2. 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。
3. Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers .
   柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。
4. The rods are seen here with a methylene blue stain
   图为亚甲基兰染色见杆状菌。
5. Standard specification for reclaimed methylene chloride
   回收二氯甲烷的标准规范

英文释义

名词

1. the bivalent radical CH2 derived from methane
   同义词：methylene group, methylene radical