查询词典 polymerized

In the polymerizing water soluble monomers were reaction system , polymerized by using potassium persulfate as initiator, cyclo-hexane as the continuous phase , N,N ′- methylenebisacylamide as the cross-linking agent, and CMC, Span-80,Wool Fat as the disperser.

反相悬浮聚合法因具有反应易于控制、产物呈小颗粒状、后处理容易等优点[4 ] ，是近年来丙烯酸、丙烯酰胺等水溶性单体聚合时较多采用的方法之一。

Polymerized rosin is a modified products of gum rosin, contains abietic type acids.

聚合松香是松香的改性产品，含枞酸型树脂二聚体。

Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.

醛类和其他的羰基化合物，由于烷氧基离子的稳定性，最容易通过本质上是负离子的机理进行聚合。

The invention provides a method for homopolymerizing conjugated dialkene or co-polymerizing conjugated dialkene and monovinyl aromatic hydrocarbon. The method comprises the following steps: the conjugated dialkene is homopolymerized or the conjugated dialkene and the monvinyl aromatic hydrocarbon are co-polymerized randomly. The method is characterized in that at least one alkali metal alkoxide compound expressed by the formula is used as a structure regulator; in the formula, R is linear chain or branched chain alkylidene radical having 1 to 10 carbon atoms; M is alkali metal selected from Li, Na, K, Rb and Cs.

本发明提供了一种使共轭二烯烃均聚或者使共轭二烯烃与单乙烯基芳烃共聚的方法，包括在阴离子聚合条件下使共轭二烯烃进行均聚或者使共轭二烯烃与单乙烯基芳烃进行无规共聚，其特征在于采用至少一种式所示的碱金属醇盐化合物作为结构调节剂，其中R为具有1-10碳原子的直链或支链亚烷基；以及M为选自Li、Na、K、Rb和Cs的碱金属。

in order to improve the anticoagulation of biomedical stainless steel, we fabricated the plasma-polymerized allylamine films on the surface of the biomedical stainless steel by pulsed plasma polymerization technique, and then immobilized the molecules of bovine serum albumin on the polyallylamine films.

采用脉冲射频等离子体聚合技术，在医用不锈钢表面制备了等离子体聚烯丙胺薄膜，并进一步在聚合薄膜表面固定白蛋白分子。

The results demonstrated that recombination was not only physical mixed, but also connected by hydrogen bond between silicic polymer and free or hydrolyze-polymerized aluminum ion and polysilic acid which could form aluminiferous during the process.

结果表明，复合过程不是简单的物理混合，部分铝离子及水解络合铝离子可与共存的聚硅酸通过羟基结合，发生络合反应生成铝硅聚合物。

The result shows that the conductivity of the product polymerized at 3-position of the bicyclic molecule is better than others.

结果发现，在3位聚合的并环化合物具有最优的导电性能，其能隙仅有0.25 eV，可以作为潜在的导电聚合物材料。

Four kinds of aromatic ether-linked dinitriles with low melting temperatures were obtained via the nucleophilic substitution of hydroquinone, resorcinol, biphenol and bisphenol A with CBN. They were polymerized to afford a series of poly(pheny-s-triazine)s under the optimized conditions.

以对苯二酚、间苯二酚和联苯二酚为原料，分别与对氯苯腈进行亲核取代反应，合成了三种较低熔点的含醚键二腈，并分别研究了其在优化条件下的聚合反应。

The higher the degree of external hydrogen-donation is, the easier the reaction is.③Thiophenes can be alkylated by the carbonium ion born in the reaction, and they can be polymerized on the strong acid sites.

噻吩类化合物可与反应过程中产生的正碳离子发生烷基化反应；在含有强酸性中心的催化剂上，噻吩类化合物之间还会发生一定程度的缩合反应。

Butadiene was polymerized to some extent in the presence of binary catalyst system NdCl33iPrOHAlEt3 in toluene and the allylchloride was then added to the solution in order to cyclize the formed polybutadiene and cyclopolymerize the unreacted butadiene monomers.

采用NdCl3·3i－PrOH－AlEt3稀土催化剂进行丁二烯的顺式聚合，在聚合过程中引入烯丙基氯，进行分子内环化反应以及单体的环聚反应。

Go to your desktop and right click in a blank space.

请到您的桌面，然后右击一个空白。

Tara appears in Buddhism, Jainism, and particularly, Tibetan Lamaism, as a complex array of manifestations: goddess of ascetism and mysticism, mother creator, protectress of all humans as they cross the sea of life.

度母出现在佛教，耆那教里面，尤其是西藏的喇嘛教，作为一系列的陈列阵容；神秘的女神，创世之母，人类横过生命之海洋的女性保护者。