查询词典 polymerization

Geometries of two-dimentional hexagonal net and one-dimentional chain of C36 polymers were optemized by using PM3 and B3LYP/6-31G method. Their electronic structure and stability were also discussed . Band structure were calculated at ab initio level . Compered to the solo C36 molecular ,the results indicated that C36 unit"s structure in the polymers changed obviously and the polymerization increased the system"s stabilities .

本文在系统总结具有纳米尺度的碳团簇研究现状的基础上，着重开展了如下四方面的工作：首先采用PM3和B3LYP／6-31G方法对2D六方网状，以及1D链状C36聚合体的构型进行全优化，探讨了其电子结构和稳定性；并在从头算水平上计算了相应的能带结构。

Results showed that after polymerization and calcination, needle coke with big lamellar fiber was formatted by the addition of FeCl3 and paratoluenesulfonic acid as well as hexamethylenetetramine.

结果表明：向煤沥青中添加氯化铁（FeCl3）或对甲苯磺酸和六次甲基四胺后，经聚合煅烧生成大片层纤维的针状焦。

The study of homogeneous olefin polymerization catalysts has been one of the most active research a...

均相烯烃聚合催化剂的研究是十多年来最活跃的研究领域之一。

This paper provides a comprehensive review and critical analysis on the different reaction pathways for catalytic conversion of glycerol into commodity chemicals, including selective oxidation, selective hydrogenolysis, selective dehydration, pyrolysis and gasification, steam reforming, thermal reduction into syngas, selective transesterification, selective etherification, oligomerization and polymerization, and conversion of glycerol into glycerol carbonate.

本文提供了一个全面的审查和批判性分析的不同的反应途径甘油催化转化成商品的化学品，包括选择性氧化，选择性氢解，选择性脱水，热解气化，重整，热还原成合成气，选择交换，选择性醚化，齐聚和聚合，并转换成甘油甘油碳酸盐。

The effect of pinane hydroperoxide on the polymerization of SBR 1502 was studied.

研究了过氧化氢蒎烷对丁苯橡胶聚合的影响。

The effects of the size of hydrophilic/hydrophobic chain on the emulsion polymerization are investigated in detail.

该嵌段共聚物是很好的聚丙烯酸酯乳液稳定剂，论文中详细研究了嵌段共聚物分子链中的亲水亲油链段的尺寸大小对乳液性能的影响。

It is indicated by TG analysis thatThere are no production attended by in-situ polymerization in CeO2 nanaparticles hydrosol.

在有机溶胶的原位聚合制得了溶于甲苯的PAn/纳米CeO2复合材料。

In this experiment, 1 - hydroxy -2 - naphthoic acid was used as a template and the method of bulk polymerization was used to prepare molecular imprinting polymer molecularly imprinted polymer and blank polymer non-molecular imprinting polymer.

本文采用以1-羟基-2-萘甲酸为模板，本体聚合的方法制备了分子印迹聚合物MIP以及空白聚合物NIP。

By means of emulsion polymerization, PMMA organ-MMT imbedding composite was prepared.

借助普通乳液聚合的方法，制备出聚甲基丙烯酸甲酯/蒙脱土嵌入混杂材料。

During the reaction, the hydroxyl firstly attacked the carbon atom of imide and finally formed an anion with hydroxyl linked to C=C by a transition state. The calculation results reveal that the initiated reaction belongs to anion polymerization.

发现在反应过程中氢氧根先进攻酰亚胺的碳，经过一过渡态最终生成氢氧根连接在碳碳双键上的阴离子，证明反应机理为阴离子聚合。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！