不饱和烃

GC定量结果表明，已定性的化合物占底油总量的91.14%，其中芳烃占42.97%，不饱和烃占45.31%，为乙烯底油的综合利用，提供了分析方法和依据。

The quantitative result by GC showed that the total content of these compounds in residual oil is 91.14 % , in which the aromatic hydrocabon is 42.97 % , unsaturated hydrocarbon is 45.31 % . An analyrical method and data for comprehensive untilization of the residual oil were provided .

不饱和烃同系物凝聚型物理性质递变规律的数学描述

Regularity for Condensed - Type Physical Properties of Aliphatic Unsaturated Hydrocarbon Homologous Compounds

不饱和烃杂钯化反应是合成高活性反应中间体烷基钯（II）和烯丙基钯（II）重要的途径。

The heteropalladation reactions of unsaturated hydrocarbons are some of the most important routes to generate highly active alkylpalladium ( II ) and vinylpalladium ( II ) species .

不饱和烃的理化性质与分子拓扑指数的关系研究

Studies on the Physico-chemical Properties of Unsaturated Hydrocarbons Using Topological Indices

炼油二次加工产品中不饱和烃的分析测定

Determination of Unsaturates in Secondary Processing Products of Petroleum Refining

结果表明，研制的催化剂能有效脱除尾气中不饱和烃，加氢活性好和稳定性高。

The results in the off-gas and featured high hydrogenation activity and stability .

不饱和烃及石油分馏油份双键率之简易测定法

A simple method for determining double bond index of pure unsaturated hydrocarbons and petroleum fractions

论述了二氯乙烷中不饱和烃对其裂解制氯乙烯单体的危害；

The harmfulness of unsaturated hydrocarbons in making vinyl chloride from ethylenedickloride has been discussed .

脂筏以外，不饱和烃链的纠缠以及较低的胆固醇浓度导致了流动性的增加。

Outside the rafts , kinks unsaturated ( hydrocarbon ) chains and lower cholesterol concentration result in increase fluidity .

加氢柴油的颜色稳定性与所含的不饱和烃和杂原子含量有关。

The color stability of hydrotreated diesel fuel is connected with the contents of unsaturated compounds and heteroatom compounds .

结果表明：催化裂化汽油裂化生成焦炭的组成主要为不饱和烃，主要沉积在催化剂的微孔内。

The results showed that the coke deposited on the catalyst was mostly unsaturated hydrocarbons and mainly deposited into the micropores of the zeolite .

裂解汽油加氢装置的物料含有大量易自聚的不饱和烃，自聚造成装置中的分馏器堵塞，会严重影响石油化工厂的连续生产。

The materials to be treated in the distillation towers fo pygas hydrogenation unit contain a lot of unsaturated hydrocarbons which have strong tendency of self-polymerization .

研究结果表明：影响中石化长岭分公司催化裂化柴油颜色安定性的主要物质有不饱和烃、重芳烃、非碱性氮化物、碱性氮化物和酸性组分等。

The results show that the main compounds which impact the color stability of the catalytically cracked diesel oil produced from SINOPEC Changling Company . are various .

含有一对或多对由双键连接的碳原子的一类不饱和烃。

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

碳酸盐岩则对于不饱和烃和甲烷的催化作用不如粘土岩，但对较重气态烃的生成却比较有利。

The catalysis of carbonate rock to unsaturated hydrocarbons and methane is not so good as mudstone . But it is more favourable to the generation of heavier gaseous hydrocarbons .

催化剂在不饱和烃质量分数超过80%的物料中经650h运行后，积炭率仅为13.30%。

The carbon depositon rate of the catalyst was ( 13.30 % ) after running ( 650 () h ) when the mass fraction of unsaturated hydrocarbon exceeded 80 % in the stock .

综述了1998年以来二碘化钐在有机合成中的应用研究，主要涉及羰基化合物、不饱和烃、卤代物、腈及含氧族元素化合物的特殊反应。

A review of the synthetic transformations promoted by SmI 2 in the last five years is presented , mainly focusing on special reactions of carbonyl compounds , unsaturated hydrocarbons , halohydrocarbons , nitriles and oxychalcogenides .

柴油中含有某些不饱和烃，特别是共轭二烯烃、环烷、芳香烃类等不安定组分的种类越多及含量越高，就越容易发生吸氧氧化反应，安定性能或质量下降越明显。

The more the types of unstable constituents , such as unsaturated hydrocarbons , especially conjugated dienes , arenes and so on , and the higher the unstable constituent contents in diesel fuel , the more easily the oxygen absorption reaction takes place .

常规条件下，二氧化碳与烯烃、炔烃、卤代烃等发生羰基化反应需要在高温、高压下进行，而光催化下二氧化碳与不饱和烃、酮、芳烃等在常温、常压下即可进行羰基化反应。

Normally , the carbonylations of alkenes , alkynes and alkyl-halides et al with carbon dioxide must be carried out at much higher temperature and pressure , while those of unsaturated alkyls , ketones , aromatic hydrocarbons can be done under ambient conditions by photo-catalysis .

过氧化物在喷气燃料中含量受不饱和烃含量、抗氧剂含量、光照等条件影响，是可变的，这会导致变质腐蚀性喷气燃料银片腐蚀级别的可逆变化。

The content of peroxides in jet fuels is influenced by non - saturated hydrocarbons , anti - oxidant , sun lightening and so on , so it is variable and would make the corrosion rating of silver strip caused by deteriorated jet fuels reversibly change .

稀土金属间化合物的催化性能&CO及不饱和气相烃在LaNi5上的加氢聚醚型亚磷酸酯及其在高碳烯烃氢甲酰化反应中的应用

CATALYTIC PROPERTIES OF RARE EARTH INTERMETALLIC COMPOUNDS & HYDROGENATION OF CO AND UNSATURATED GASEOUS ALIPHATIC HYDROCARBONS ON LaNi_5 Polyether-phosphites for hydroformylation of higher olefins