乙烯的

In this study, column experiments, including measurements of corrosion potential, were conducted to determine the effects of nitrate on trichloroethylene degradation by granular iron.

为研究硝酸根对颗粒状铁降解三氯乙烯的影响，进行了柱实验和相应的反应铁腐蚀电位测定。

Low-Temperature Catalytic Combustion of Trichloroethylene over La,Ce,and Pt Catalysts Supported on MCM-41

MCM-41负载的La，Ce和Pt催化剂上三氯乙烯的低温催化燃烧

The surface wettability and surface structure of poly treated with remote O2 plasma were studied.

研究了远程氧等离子体改性聚四氟乙烯的表面润湿性与表面结构的关系。

Homologic fragments of ethylene synthesis and signal transduction related genes,including ACS、 ACO、 ETR1 and EIN3, were isolated from petals by RT-PCR, and were named PsACS GenBank No.

花瓣中ACS活性变化与内源乙烯的生成相关，说明ACS是影响牡丹切花开放衰老进程的主要因素。

The C 5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene .

来自裂解乙烯的 C5馏份含有非常有用的化工原料——异戊二烯、环戊二烯、戊间二烯。

Preparation of polyvinylidene fluoride asymmetric hollow fiber membranes was studied by introducing small molecular additives, which include nonsolvents (water, ethanol and 1-propanol) and inorganic salt.

制备聚偏氟乙烯的不对称中空纤维膜的研究，通过引入小分子添加剂，其中包括nonsolvents （水，乙醇和1 -丙醇）和无机盐。

The cyclopropanation reaction of ethylene with samarium carbenoid was studied by means of the B3LYP hybrid density functional method.

用密度泛函B3LYP方法研究了过渡金属钐类卡宾与乙烯的环丙烷化反应的机理。

It is the most common form of PVDF and the most thermodynamically stable.

它是聚偏二氟乙烯的最常见晶型，也是热力学最稳定的晶型。

By using the 532 nm TEM00 laser beam,the laser-induced diffractive and optical limiting properties of the(2-methoxy-5-butoxy)Poly-phenylene vinylene derivative/chloroform Solution are studied.

用532 nm基模高斯光束对2-甲氧基5-丁氧基取代聚对苯撑乙烯的氯仿溶液进行激光诱导衍射实验及光限幅特性的研究。

Treatment of polystyrene-supported selenium ,bromide with lithium acetylides afforded polystyrene-supported selenoacetylene, which reacted with dicyclohexylborane giving a way for stereoselective synthesis of polymer-supported- vinylic selenides .

聚苯乙烯负载硒溴与炔基锂反应合成聚苯乙烯负载炔基硒醚，再与二环己基硼烷反应制得聚苯乙烯负载顺式烯基硒醚；此负载型烯基硒醚在NiCl2(PPh3)2存在下与格氏试剂发生偶联反应，提供了一种有效的-1，2-二取代乙烯的固相有机合成方法

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。