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。
it is found the fifteen physicochemical properties of the unsaturated hydrocarbons have excellent correlativity with the topological indices.
回归的复相关系数和重新计算的误差结果显示拓扑指数与理化性质具有优良的相关性。
the harmfulness of unsaturated hydrocarbons in making vinyl chloride from ethylenedickloride has been discussed.
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 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.
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 results showed that the coke deposited on the catalyst was mostly unsaturated hydrocarbons and mainly deposited into the micropores of the zeolite.
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 most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.
生产这种不饱和烃类最重要的路线是靠蒸汽裂解,主要以石油气体和石脑油作原料。