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- A novel ladderlike polysiloxane with a reactive side group was synthesized via stepwise coupling polymerization. 通过“逐步偶联聚合方法”设计合成了一种含有反应性侧基的梯形聚有机硅氧烷。
- The structural determination by FTIR spectra and 1H-NMR spectra showed that the silicone oil with side group of glycidyl methacrylate (GMA) was successfully prepared. 加成产物的红外光谱和核磁共振光谱结构表征证明,成功制得了含有环氧基团的硅油。
- Polyaramide with easily rotational backbone has higher gas permeability, For two polymers with the samebackbone, gas permeability is higher for one with methyl side group on its aromatic ring. 高分子主链的化学结构相同,苯环上带有侧甲基的聚合物有高的气体透过系数;
- Polyaramide with easily rotational backbone has higher gas permeability, For two polymers with the same backbone, gas permeability is higher for one with methyl side group in its aroma-tic ring. 在刚性强的高分子链段中引进柔性基因,可提高聚合物的气体透过系数;
- Boden N, Bushby R. J, Lu Z B. A rational synthesis of polyacrylates with discogenic side groups[J]. Liq. Cryst. 1998,25,47 - 58. 周宏英吕云平.;四膦配体的合成及其金属配合物催化烯烃氢甲酰化反应研究[J]
- Metal complex of macrocyclic polyamines can hydrolyze DNA and RNA, the ability depends on metal ions and their side groups conjugated to them. 大环多胺金属配合物能水解DNA、RNA,其水解能力跟金属离子和与其连接的基团密切相关。
- Two new polyorganophosphazenes containing carbazolyl side groups were obtained from poly((dichlorophosphazene)) via nucleophilic substitution reaction. 利用聚氯磷腈的亲核取代反应合成了2种咔唑全取代的有机聚磷腈高分子材料,对其结构进行了表征。
- The cis-vinylic linkage and the bulky side groups were considered to be the major factor to produce such inaccessible fluorophore. 而在不存在大体积的苯取代基时,顺式构型的存在应该是产生这种不可接触发色团的主要因素。而链间聚集以及季胺化不完全等其它因素对荧光猝灭行为的影响则较小。
- The main supply of powder coatings in Hainan Sundiro Motorcycle Co., Ltd., Shenzhen spar microwave, Shenzhen, Liuzhou Electric Group and the Shenzhen side groups, such as large enterprises. 粉末涂料主要供给海南新大洲摩托车有限公司、深圳晶石微波炉、深圳龙电集团和深圳方大集团等大型企业。
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- A break through was made in the study on the photoalignment film using ladderlike polysilsesquioxane bearing photoreactive side groups as skeleton material. 在以挂接光反应性侧链的梯形聚倍半硅氧烷为基体材料制备液晶光定向层的研究中取得突破性进展。
- A kind of copolyurethanes with nitro-substituted azobenzene side groups have been synthesized and characterized by FT-IR, UV, DSC, WAXD and PLM(polarized light microscopy). 合成了一类带硝基偶氮苯侧链的共聚聚氨酯,并用FT-IR、UV、DSC、WAXD和偏光显微镜等方法进行了表征。
- The silicones, with an inorganic backbone of silicon and oxygen atoms and organic side groups, are the most important mixed organic-inorganic compounds. 带有由矽和氧原子组成的无机支柱以及有机侧面基团的矽树脂是最重要的有机-无机混合型化合物。
- The ship kept the buoy on her off side. 这条船在浮标的左边。
- We prove that the addition of cyano side groups can significantly change the photo-stability of stilbene molecules and make them easier to be isomerized. 我们实验中证实了氰键的引入可以显著改变二苯乙烯的光稳定性,使其更容易发生光致异构。
- The little boy skipped along at his mother's side. 那个小男孩在他母亲身边跳跳蹦蹦地往前走。
- The comedy tine was cut out as being off side. 笑料由于低级趣味而被删去。
- The farm sits on the side of the hill. 农场位于山坡上。
- She turned the chair on its side to repair it. 她把椅子翻转过来修理。