卤

The catalyst includes: supported Ziegler-Natta catalyst of titanium halide compound and organic electron donor compound supported with MgCl2 alcoholate carrier; aluminoxane prepared with trialkyl aluminum and water; and one kind of organic electron donor, such as organosilicon compound R2Si(OCH3)2, where R is phenyl, isopropyl, isobutyl or cyclopentyl.

该催化剂包括，a一种负载型的Ziegler-Natta催化剂，即将卤钛化合物和有机给电子体化合物负载在氯化镁醇合物载体上得到的固体催化剂，b一种通过三烷基铝与水反应而制备得到的铝氧烷和c一种有机电子给体，如有机硅化合物R 2 Si(OCH 3 ) 2 ，其中R为苯基、异丙基、异丁基或环戊基。

The calculated results of energy gap on alkaline earth mixed halides are reasonable.

对碱土金属复卤化物的能隙进行了计算，结果合理。

On experimental side, the reactions between alkaline earth metal atoms andhalogenated hydrocarbon molecules have been extensively studied.

在实验方面，碱土金属与卤代烷烃的反应成为人们广泛研究的对象。

In US 4,533,387 a process is disclosed for reducing halides of alkali and alkaline earth metals with gallium, indium or thallium.

在US 4，533，387中公开了用镓、铟或铊还原碱金属和碱土金属卤化物的工艺。

In addition, preliminary results demonstrating that the halogenation of alkene and benzylic sp3 C-H bonds can also be achieved using this method.

此外，初步结果表明，苄卤化烯烃类sp3C-H键也可以用这种方法取得。

Amines can engage in nucleophile substitution reaction with alky.

胺能参加与卤代烷的亲核取代反应。

Mixture of alkali metals with a number of halogenated alkane solvents such as carbon tetrachloride and chloroform can be used to form the C-C bonds between alky groups.

很多卤代烷烃，例如：四氯化碳、氯仿等与碱金属混合，进行有机增链反应，但由于容易发生剧烈爆炸，所以这类反应在传统的有机合成中很少被应用。

The present invention provides an aqueous adhesive composition including a resinous phase dispersed in an aqueous medium, the resinous phase containing a polychloroprene, optionally, a halogenated polyolefin different from, and optionally, an aminoplast resin.

本发明提供了包括分散于水性介质中的树脂相的水性粘合剂组合物，该树脂相包含聚氯丁二烯；任选的不同于的卤化聚烯烃；和任选的氨基塑料树脂。

Its best carbon source is sodium acetate and best nitrogen source is ammonium chloride.

它的最佳的碳源是钠醋酸盐，并且最佳的氮气来源是卤砂。

Its best carbon source is sodium acetate andbest nitrogen source is ammonium chloride.

它的最佳的碳源是钠醋酸盐，并且最佳的氮气来源是卤砂。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐