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Glossary entry

English英语 term or phrase:

cyclomethicone

Chinese汉语 translation:

环聚甲基硅氧烷

Added to glossary by ysun
Jul 31, 2003 10:46
21 yrs ago
English英语 term

cyclomethicone

Non-PRO English英语译成Chinese汉语 技术/工程设计
it's a draft about how to produce cosmetics
Proposed translations (Chinese汉语)
5 +2 环聚甲基硅氧烷
4 cyclomethicone

Proposed translations

+2
2小时
Selected

环聚甲基硅氧烷

-[(CH3)RSi-O]n-的环状结构。这里R代表烷基,是硅(Si)原子上的取代基。甲基(CH3)也在硅原子上。硅与氧原子链构成环状结构。
cyclo- 环
methicone 聚甲基硅氧烷


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Note added at 2003-08-01 04:06:44 (GMT)
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-[(CH3)RSi-O]n-的环状结构,
当R也是甲基,n=4时,即成为:八甲基环四硅氧烷
当R也是甲基,n=5时,即成为:十甲基环五硅氧烷

请见以下网页所举的cyclomethicone 的例子:
http://216.239.57.104/search?q=cache:xWkMz2bl3TcJ:pharmacos....
Octa 八methyl 甲基cyclo 环tetra 四siloxane 硅氧烷:八甲基环四硅氧烷
deca 十methyl 甲基cyclo 环penta 五siloxane硅氧烷:十甲基环五硅氧烷


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Note added at 2003-08-01 13:12:13 (GMT)
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环聚甲基硅氧烷是同一类环状聚合物的通称。上述两例可分别称为环四聚二甲基硅氧烷、环五聚二甲基硅氧烷。即聚合度n分别为4和5。这样一来,不仅符合环聚甲基硅氧烷的通称,而且应能立刻想象出它们的环状化学结构。

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Note added at 2003-08-01 23:32:38 (GMT)
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例如,环四聚二甲基硅氧烷即为首尾相接的 -[(CH3)2Si-O]-[(CH3)2Si-O]-[(CH3)2Si-O]-[(CH3)2Si-O]- 。依此类推。结构式中的数字均应为下角码(subscript)。
Peer comment(s):

agree Danbing HE
48分钟
Thanks!
agree Dolly Xu
8天
Thanks!
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4 KudoZ points awarded for this answer.
14小时

cyclomethicone

环甲基硅酮
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