硅氧烷

Results showed that the ·OH radical could not only initiate the radiation crosslinking of PDMS latex, but also accelerate the scission of PDMS molecular chain.

结果表明，·OH不仅可引发聚二甲基硅氧烷的分子间交联，也能促进其降解。

In this review, the research progress in polymeric hydrogels based on poly-HEMA, organic silicane, molecularly imprinted polymer and ion ligand-containing polymer for sustained ophthalmic drug release and soft contact lens is reviewed, and their advantages/drawbacks are critically analyzed.

综述了基于角膜接触镜、适于缓释眼用药物的poly-HEMA水凝胶、硅氧烷水凝胶、分子印迹聚合物水凝胶以及含离子配体水凝胶的研究进展，并展望了适于角膜接触镜缓释的眼用制剂的水凝胶材料的发展前景。

A method for the determination of squalene in seawater was developed by using solid-phase microextration with 100 μm polydimethylsiloxane coating and gas chromatography-mass spectrometry.

摘 要 首次报道了应用聚二甲基硅氧烷纤维作为固相微萃取的萃取头，色-质联用法快速测定海水中角鲨烯的方法。

To develop an eco-friendly epoxy impregnating resin system for groundwall insulation of large generators, the curing reaction mechanism has been fully studied, the formulation and the curing techniques have been optimized, and the influence of different constitution on the curing reaction, microstructure, and final performances have been studied and characterized.In this paper, influences of different reactive organo-siloxanes on the curing reaction and performances of epoxy V.P.I.

本文研究比较了含有环氧基、氨基或乙烯基的反应性硅氧烷，包括：γ-缩水甘油醚氧丙基甲基二乙氧基硅烷、β-(3，4环氧环已基)乙基三乙氧基硅烷、γ-缩水甘油醚氧丙基三甲氧基硅、β-(3，4环氧环已基)乙基三甲氧基硅烷、γ-甲基丙烯酰氧基丙基三甲氧基硅烷、乙烯基三乙氧基硅烷和苯胺甲基三乙氧基硅烷对环氧V.P.I。

However the addition order of tartrate and phosphate on activity of enzyme adsorbed by goethite produced the greatest impact.

胶体表面类型（硅氧烷表面或羟基化表面）及阴离子配体对胶体表面负电荷的贡献量在酶的吸附及活性保持中的重要性；B阴离子配体后加入时酶的吸附量一般比配体先加入时的高；C）配体加入顺序对二氧化锰的影响最显著，对砖红壤和高岭石的居中；对针铁矿的次之；对黄棕壤的最小。D）乙酸或草酸加入顺序对高岭石上固定化酶比活性的影响最大，而酒石酸或磷酸则对针铁矿影响最大。

In some preferred embodiments, the aryl-containing silicone compound is triphenyl- or diphenyl-based.

在一些优选的实施方案中，含芳基聚硅氧烷化合物是基于三苯基或二苯基的。

The silicone rubber based on PDM-MVS/PMMA blend had microphase-separated structure consisting of PMMA domains uniformly dispersed within a continuous PDM-MVS matrix.

结果表明，随着PDM-MVS中乙烯基质量分数的增加，共混物的黏度逐渐增大；由PDM-MVS/PMMA共混物制备硅橡胶的物理机械性能明显优于α，ω-羟基聚二甲基硅氧烷／PMMA共混物制备的硅橡胶；制得的硅橡胶具有微观相分离结构，PMMA分散相均匀地分布于PDM-MVS连续相中，两相的相容性良好。

The excess of ethyl orthosilicate should render the chain terminal unreactive toward the crosslinking...

降解是由于水在二月桂酸二丁基锡酯或它的水解产物月桂酸催化下使聚二甲基硅氧烷主链的Si—O—Si键水解所引起的。

And the intrinsic viscosity in toluene at 25℃ of the polysiloxanes were measured with a Ubbelohde viscometer.

在本论文工作中，含氨丙基聚硅氧烷被选定为制备新型硅橡胶的基胶。

The alkoxy groups are able to react with the surface groups of many inorganic fillers.

硅氧烷基团能够与许多填料的表面基团反应。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。