④溶液性质 分子量 分 子 数 多分散性 单分散性 W(M) M 端基(end group):连接在主链两端的院子或原子团 X 侧基(side group):连接在主链上除氢原子以外的原子或原子团 侧链(side chain):连接在主链上具有足够长度的链 主链(main chain):具有最大尺寸,贯穿...
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flexible side group 柔性侧基
amino acid side group 胺基酸侧基 ; 氨基酸侧基
Side group reaction 侧基断裂
west side group 西边集团
benzoxazoline side group 苯并恶唑侧基
bulky side-group 庞大侧基
hydrocarbon side group 碳化氢侧基
side-group 侧基
The convenient and valid method is to synthesize poly(dimethyvinylsiloxane) (PVDMS)by induct some vinyl in side group, and then improve the separation factor by cross-linking.
在侧基引入一定量乙烯基,制成聚乙烯基二甲基硅橡胶(PVDMS),利用交联来改善膜分离性能,是一种简便有效的方法。
参考来源 - 气体分离复合膜涂层材料·2,447,543篇论文数据,部分数据来源于NoteExpress
A group of corn farmers stands huddled around an agronomist and his computer on the side of an irrigation machine in central South Africa.
南非中部,一群玉米农挤成一团,围着一名农学家和他放在灌溉机旁的电脑。
Everyone on this side of the room is Group A, and the rest of you are Group B.
房间这边所有人都是 A 组,你们剩下的是 B 组。
The side effects of treatment group were only low fever and mild pleurodynia.
治疗组不良反应仅为发热、胸痛。
But recently there's been an increase of retaliatory attacks by people on the other side, including a slightly mysterious group called the Invisible Commandos who've been operating against Gbagbo."
VOA: special.2011.04.02
For example, one girl in the group is more interested in the political side of the things.
例如,组织中的一位女生成员,对政治领域更加感兴趣。
you know, kind of the hip group. But when you think of Upper East Side, it's more of like the old money where it's,
有点像时尚人士。想到上东区,你更容易想到老而有钱的人。
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