烯烃主要是来自石油气或大分子的碳氢化合物裂解，如乙烯，丙烯。
The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.
金属茂配体，金属茂化合物和金属茂催化剂，它们的合成以及它们用于聚合烯烃的用途。
Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins.
与水、活性氢、醇、酚、胺、酰胺、羧酸、烯烃、醛、酮、酯加成得到的新化合物，可作脱水剂和氧化剂使用。
Many new compounds can be obtained by addition with water, hydrogen, alcohols, phenols, amines, amides, carboxylic acids, olefins, aldehydes, ketones, esters, etc.
以1-庚烯为模型化合物，在小型固定流化床上研究了反应温度对汽油烯烃在酸性催化剂上反应的影响。
Effect of temperature on gasoline olefins cracking reaction over acid catalysts in fixed fluidized bed(FFB)reactor was studied and 1-heptene was used as model compound.
丙烯共聚物，聚丙烯组合物及其用途，过渡金属化合物和烯烃聚合催化剂。
Propylene copolymer, polypropylene composition, use thereof, transition metal compounds, and catalysts for olefin polymerization.
从收集到的液体燃料中检测出8种主要物质，分别为高级烯烃、炔烃、杂环化合物和多环有机物。
And there are 8 kinds of main components in liquid fuel, which belong to higher olefine hydrocarbon, acetylene series, heterocyclic compound and polycyclic organic matter.
甲醇是C1化学的重要产品，其深加工产品涉及烯烃、有机酸、各种含氧化合物、二甲醚和甲醛等。
Methanol is an important product from C1 chemistry and its derived products include ethylene, organic acids, oxygen containing compounds, dimethyl ether, formaldehyde, etc.
本论文以正己烷、环己烷、异辛烷和正癸烷为模型化合物，对高碳烷烃经氧化裂解过程制低碳烯烃进行了研究。
The oxidative cracking of model compounds, such as hexane, cyclohexane, isooctane and decane, were investigated in this paper.
某碳氢化合物已知可能是烯烃或是烷烃。
过渡金属化合物，烯烃聚合催化剂组分，烯烃聚合催化剂和生产烯烃聚合物的方法。
Transition metal compound, olefine polymerized catalyst component, olefine polymerized catalyst, and method for producing olefine polymer.
这个碳氢化合物必定是烯烃。
综述了单茂金属化合物催化烯烃聚合的机理及研究进展。
This paper reviewed the latest progresses in the studies on the mechanism of olefin polymerization and the half-metallocene catalysts thereof.
VB族元素钒、铌、钽的单茂金属化合物作为烯烃催化剂可得到分子量分布相当窄（1.05）的聚烯烃；
The half-metallocene of the elements V, Nb and Ta in VB group could be used in the polymerization of olefin to prepare polymer with rather narrow molecular weight distribution (1.05).
用气相色谱对低烯烃火花点火引擎燃料芳香碳氢化合物类型，环烃，烯烃，石蜡和氧化物的标准试验方法。
Standard test method for oxygenates and paraffin , olefin , naphthene , aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography.
包含两个双键的化合物叫做二烯烃。
不饱和碳氢化合物，属于烯烃同系物。
An unsaturated hydrocarbon belonging to the alkene homologous series.
项目还发现了一些含铁分子筛或化合物可以催化以氧气为氧化剂的高碳烯烃的环氧化反应。
The project also found that some iron-containing molecular sieves or compounds could catalyze the epoxidation of high olefins using oxygen as the oxidant.
还提供了一种使聚烯烃分子量分布变窄的方法，包括使烯烃、辛格勒·纳塔型催化剂和本文指定化合物相接触。
Also provided is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein.
本文主要综述了钛、铁、铜、镍、锌等金属化合物对聚烯烃光降解的影响。
In this paper the effect of ti, fe, Cu, Niand Zn compounds on the photodegradation of polyolefins was sum...
本文主要综述了钛、铁、铜、镍、锌等金属化合物对聚烯烃光降解的影响。
In this paper the effect of ti, fe, Cu, Niand Zn compounds on the photodegradation of polyolefins was sum...
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