A free radical mechanism for acrylonitrile polymerization was proposed.

证明了其聚合反应为游离基机理。

It will not inhibit the polymerization of acrylic and composite restorations.

它不会抑制丙烯酸树脂和其它复合修复材料的聚合。

Ketenes notably dimethyl ketene readily undergo oligomerization and polymerization.

烯酮，特别是二甲基烯酮，很容易齐聚和聚合。

Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.

烯酮，特别是二甲基烯酮，很容易齐聚和聚合。

MTA also exhibited an eminent activity in the catalytic co-polymerization of ethylene and 1-hexene.

MTA在催化乙烯与1-己烯共聚合时，具有良好的聚合活性。

It was showed that with the increasing of polymerization time, monomer converting rate was improved.

对聚合条件的研究表明：随着聚合时间的增加，单体转化率逐渐提高。

In the polymerization systems studied, segmental rearrangement is the important rate - determining phenomenon.

在已研究过的聚合体系中链段重排是重要的速度决定步骤。

Many different chemical reactions may be used to synthesize polymeric materials by step-growth polymerization.

许多不同的化学反应通过逐步聚合可用于合成聚合材料。

When autumn comes again, with me is a lonely and lonely, autumn comes again, how many separation polymerization.

秋天再来时，伴我的是一份孤独和寂寞，秋天再来时，多少分离聚合。

The effect of the initiator concentration on the speed and temperature profile of frontal polymerization was investigated.

研究了引发剂浓度对前端速度和温度分布的影响。

Depending upon reaction conditions, the product may be a polyketone formed by addition polymerization of the ketene double bond.

随着反应条件的不同，产物可以是由烯酮的双键加成聚合得到的聚酮。

A low density polyethylene produced by a low pressure process, by Ziegler-Natta polymerization or by use of the Phillips process.

采用低压过程，齐格勒·纳塔聚合或菲利浦斯公司工艺生产的一种低密度聚乙烯。

Produced by emulsion polymerization in a similar way to styrene-butadiene rubber processes, yielding both "hot" and "cold" rubbers.

生产方法是乳液聚合，和苯乙烯-丁二烯橡胶的生产过程相似，得到“热”橡胶和“冷”橡胶。

The results indicate that the polymerization mechanism is coordination polymerization and the polymer has stereospecific structure.

结果表明，聚合体系符合配位聚合的机理，聚合物结构具有一定的有序性。

The influence of reaction temperature, initiator level. reaction time and rubber level on the graft polymerization was investigated.

考查了反应温度、引发剂用量、反应时间和胶用量对接枝共聚反应的影响。

The other preparation conditions, such as monomer concentration, temperature, and time of polymerization, were systematically studied.

本文还对其它制备条件，比如单体浓度，温度，聚合反应时间都进行了系统研究。

A kind of rigid polymer microsphere with core shell structure was synthesized by multi step composite emulsion polymerization technique.

通过多步复合乳液聚合方法合成了一种具有核壳结构的刚性聚合物微球。

These results proved that there were some interrelation between the rules of interfacial polymerization and the performance of membranes.

这些结果说明了界面聚合反应的规律和生成膜的分离性能的变化规律基本一致。

The spherical lignin beads were prepared by applying reverse-phase suspension polymerization technique with sulphate lignin as raw material.

以硫酸盐木质素为原料，利用反相悬浮技术制备出球形木质素吸附剂。

The measurement on average degree of polymerization in insulation paper with viscometry is introduced, and some testing results are analysed.

对用粘度法测定绝缘纸的平均聚合度做了简要介绍，并对试验结果进行了分析。

Even if you are collecting data by means of polymerization in a high degree of original template pages, baidu will also be in favor of this page.

即使你是采集来的数据通过聚合的手段放在一个原创度高的模板页面中，百度也会青睐这种页面。

Polypropylene is the trade name of polypropylene fiber, which is by the polymerization of propylene as raw material by the melt spinning of fibers obtained.

丙纶是聚丙烯纤维的商品名称，它是由丙烯作原料经聚合、熔体纺丝制得的纤维。

The infrared spectrum analysis showed that the polymerization reaction was complete, and the polymer was a kind of thermoplastic material without branched chains.

红外光谱分析表明聚合较为完全，聚合物不存在支链结构，为热塑性材料。