residual amount of diolefins

After correcting geochemical pyrolysis degradation data and getting accurate residual hydrocarbon content and gross hydrocarbon quantity, the evaluation models of oil saturability were built.

对不同来源地化热解资料校正之后,在准确求取残余烃含量和含油气总量的基础上,建立了含油饱和度评价模型,并形成了一套较为完善的资料校正、原油密度和残余烃含量求取及含油饱和度评价的方法。

New catalysts and polymers have been finding with the deepening researches on nature of rare earth catalysts, further more, some of these catalysts have been used in commercial productions for dienepolymers.

本文以稀土催化剂在烯烃、双烯烃和其它单体的聚合物领域中较为突出的主要成就为中心,扼要地介绍稀土催化剂在高分子科学和工业上的最新进展。

The reaction conversion and selectivity can be increased effectively by using multi-stage hydrogenation process and controlling H 2/diolefins molar ratio.

以该催化剂为基础开发的长链双烯多段选择性加氢工艺 ,在很宽的温度、压力、空速范围内都可达到很好的结果 ,严格控制氢气与双烯烃摩尔比 ,可有效提高反应的转化率和选择

When used in LAB complex unit with multi-step hydrogenation process,DSH-1 selective hydrogenation catalyst,which contain noble metal Pd,can transmit diolefins to olefins effectively,and has good activation and selectivity.

DSH -1型含贵金属Pd双烯选择性加氢催化剂与多段加氢工艺结合 ,应用于脱氢法生产直链烷基苯的联合装置中 ,能有效地将脱氢过程产生的双烯烃转化成单烯烃 ,具有很好的反应活性和选择性 ,且操作弹性大 ,工艺过程简单。

Study on Inhibition of Dienes Compounds in Cracking C_5;

裂解碳五中双烯烃化合物的阻聚研究

Gas Phase Polymerization of Conjugated Dienes with Supported Rare Earth Catalyst: Kinetics and Molecular Weight Control;

双烯烃气相聚合—聚合动力学和分子量控制研究

Industrial Application of Long-chain Di-olefin Selective Hydrogenation Process

长链双烯烃选择性加氢工艺的工业应用

Highly Enantioselective Michael Addition of Ketones to Nitrodienes Catalyzed by Chiral Bifunctional Primary Amine Thiourea Catalysts Based on Saccharides Thiourea

手性糖基硫脲催化酮对硝基双烯烃的不对称Michael加成反应

Compounds containing two double bonds are called dienes.

包含两个双键的化合物叫做二烯烃。

"Olefin (or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double Bond (see covalent Bond, saturation)."

烯烃:含有一对或多对由双键连接的碳原子的一类不饱和烃。

Progress of the High Density Hydrocarbon Fuel of Exo-tetrahydrodicyclopentadiene

高密度烃燃料挂式四氢双环戊二烯的研究进展

A Study of Double Bond Isomerization in Alkene Catalyzed by Ru-H Complex;

钌—氢配合物催化烯烃双键异构化反应研究

Slelective Catalysis of Metalloporphyrins for Aerobic Oxidation of Double Bond and Allylic C-H of Olefines;

金属卟啉对空气氧化烯烃双键与烯丙位碳氢键的选择性催化作用

olefin-modified styrene-acrylonitrile

烯烃改性苯乙烯-丙烯腈

Applications of (E)-1,2-disubstituted Vinylstannanes in Stereoseletive Synthesis of Trisubstituted Alkenes and 1, 3-dienes

（E）-1，2-双取代烯基锡烷在立体选择合成三取代烯烃及1，3-二烯中的应用

cyclanic ,cyclenic or cyloterpenic ethers

环烷烃、环烯或环萜烯醚

The triple bond does not usually react so vigorously at a carbon-carbon double bond.

三键在反应时一般不象烯烃中的碳-碳双键那样剧烈。

Surface Activities and Application of Sodium Bis(2-ethylhexylpolyoxyalkylene) Sulfosuccinates

二-(2-乙基己基聚氧化烯烃)琥珀酸双酯磺酸钠的表面活性及应用

Density functional theory study of the abnormal C = C bond stretch vibrational frequencies of cycloolefine

环烯烃双键伸缩振动频率反常现象的密度泛函理论研究

Study on the Catalytic Effect of Chiral Bis-Oxazoline Metal Complexes on the Reaction of Nitrone and Electron-Rich Alkene;

手性双噁唑啉金属络合物催化硝酮与富电子烯烃的研究

Late-Transition Metal Nickel(Ⅱ) Complex Catalysts for Olefin Polymerization;

后过渡金属络合物双-（β-酮胺）镍（Ⅱ）催化烯烃聚合研究

Hydroformylation of Olefin in Biphasic Catalytic System- Effect of OTPPTS and Gemini Surfactant on the Reaction;

两相体系中烯烃氢甲酰化反应-OTPPTS和双子表面活性剂的影响研究