propylene的例句大全

Its import product is synthetic rubber , including nitril butadiene rubber and ethylene-propylene-non-conjugated diene rubber.

进口产品是合成橡胶, 主要包括丁腈橡胶及三元乙丙橡胶.

The copolymer of propylene with a small amount of butene was prepared by heterogeneous Ziegler ? Natta catalyst.

用负载型Ziegler- Nata 催化剂合成了丙烯同少量丁烯的共聚物,考察了单体进料比对催化活性的影响,发现此体系存在“共单体效应”.

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the first time.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯.

In the past, our country produces propylene acyl amine to use chemical method commonly.

过去, 我国生产丙烯酰胺一般采用化学法.

The influence of reaction temperature and WHSV on conversion of propylene oxide appreciable.

反应温度和空速对环氧丙烷的转化率影响不大.

As a kind of novel modifier, its toughening ability is better than that of ethylene propylene diene monomer ( EPDM) or ethylene propylene copolymer ( EPM), whether in homopolymer polypropylene, copolymer polypropylene or high fluidity polypropylene.

无论是均聚、共聚还是高流动性聚丙烯，POE的增韧效果都优于三元乙丙橡胶（EPDM）或乙丙橡胶（EPM）。

Direct determination for free propylene glycol content in propylene glycol ester was put forward.

提出丙二醇酯中游离丙二醇含量的直接测定方法.

Propylene Glycol ( PG ) is a type of preservative, and its chemical properties can absorb excess moisture.

丙烯 乙二醇 ) 是种防腐剂 ﹐ 而它本身的化学性质可以吸收多馀的水份.

The results showed that the compatibility between nylon 6 and ethylene-propylene diene monomer rubber ( EPDM) could be improved by adding grafted EPDM. Compared to pure nylon 6, the water-absorption rate of the alloys evidently decreased and their impact strength was higher with less rigidity loss.

结果表明：接枝三元乙丙橡胶明显改善尼龙6与三元乙丙橡胶之间的相容性，合金的吸水率明显降低，在保持较高强度的同时冲击性能远远优于尼龙6，接近或超过韧性尼龙；

Improved tensile strength and elongation of ethylene propylene diene monomer ( EPDM) compounds used for wire and cable.

提高电线电缆用三元乙丙橡胶（EPDM）材料的拉伸强度和伸长率。

Properties of intumescent flame retardant ethylene propylene diene monomer/ polypropylene thermoplastic vulcanizate

膨胀阻燃三元乙丙橡胶/聚丙烯热塑性硫化胶的性能

The rapid decomposition of titanium trichloride catalyst for propylene polymerization un-der atmospheric condition has brought serious difficulty in studying this kind of samples by scanning electron microscope.

由于三氯化钛聚丙烯催化剂在大气条件下会迅速分解，因此给扫描电镜观察此类样品带来了困难。

This paper introduces domestic and overseas status, environment-protection performence evaluation and use of propylene glycol ether.

简要介绍了丙二醇醚国内外现状以及丙二醇醚的环保性评价和用途.

The propylene glycol phenyl ether is used to increase the FT 25-7225 CED paint film thickness.

选择了丙二醇苯基醚以提高FT25 ─ 7225CED膜厚.

The recent progress using titanium silicalite to catalyze propylene into Propylene Oxide was introduced.

评述了环氧丙烷的各种合成方法,介绍了钛硅沸石催化丙烯环氧化反应研究的近期进展.

Propylene glycol , glycerin, polyalcohol can be used as starting substances of polyether demulsifiers.

聚醚类破乳剂的醇类起始剂有丙二醇 、 甘油或多元醇.

The graft copolymer of ethylene propylene diene monomer ( EPDM) and methyl methacrylate ( MMA) was prepared by swelling mechanochemical copolymerization in mixer.

采用直接溶胀法，在叶片混合器中以不同条件制备了三元乙丙橡胶-甲基丙烯酸甲酯接枝共聚物。

The fault had occured frequently since the propylene feed pump put into operation in 1988.

丙烯进料泵自1988年投运以后,故障较多.

Methanol-to-olefin and low-value olefin cracking integrated technologies are other effective approaches to producing ethylene and propylene.

甲醇制烯烃与低价值烯烃裂解集成工艺将是我国生产乙烯、丙烯的另一条有效途径.

In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.

石脑油馏份与一个热表面接角,就裂解而得到乙烯和丙烯.