氢转移反应越低，丙烯及丁烯等烯烃选择性越高。
Propylene and butylene yields increase with low hydrogen transfer reaction.
正碳离子浓度对烯烃的氢转移反应起决定性作用。
The concentration of carbenium ions plays key role in the hydrogen transfer ability of olefins.
分子筛上发生的主要是汽油烯烃和环烷烃之间的氢转移反应。
The hydrogen transfer reaction on the Y zeolite catalyst mainly takes place between gasoline olefins and naphthenes.
氢转移反应的进行程度可以在较大范围内改变裂化产品的分布。
The profile of cracked products can be adjusted in a wide range by the degree of hydrogen transfer reaction.
催化裂化柴油的稠环芳烃可通过控制氢转移反应速率实现品质最佳化。
The quality of FCC diesel fraction can be optimized by controlling the reaction rate of hydrogen transference of aromatics with condensed rings.
在一定的反应温度范围内，提高反应温度有利于一些氢转移反应的进行。
Some hydrogen transfer reactions were favored by raising temperature in specific range of temperature.
芳烃不仅通过分子间氢转移反应生成，而且通过直接脱氢芳构化反应生成。
Aromatics formation are formed not only via the hydrogen transfer reaction between the molecules but also by dehydrogenation and aromatization.
同时，在加强氢转移反应减少烯烃时，还需考虑焦炭选择性变差和汽油辛烷值下降的问题。
Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.
介绍了两种典型的钯基膜反应器结构模型和它们在加氢、脱氢及氢转移反应体系中的应用情况。
Two kinds of palladium based membrane reactor models and their applications in hydrogenation, dehydrogenation and hydrogen transfer reactions are introduced.
随着反应温度的提高，裂化反应和骨架异构化反应增强，但齐聚反应、氢转移反应和环化反应减弱。
The cracking and skeletal isomerization became more strong with the rise of reaction temperature, while oligomerization, cyclization and hydrogen transfer reaction became weaker.
考察了多种改性材料的氢转移反应活性及对催化裂化催化剂的重油转化活性及汽油中烯烃含量的影响规律。
The hydrogen transfer activities of several modified materials were investigated and co related with the heavy oil catalytic cracking ability and olefin content in cracked naphtha.
结果表明：适当的反应温度，剂油比，反应时间短，可能损害的热裂化反应，氢转移反应，并获得高的丙烯选择性。
The result showed proper reaction temperature, catalyst to oil ratio and short reaction time may detriment thermal cracking reaction, hydrogen transfer reactions, and get high propylene selectivity.
结果表明，分子筛的氢转移反应性能主要受其结构类型和硅铝摩尔比（即酸性）的影响，宽敞的孔道结构和高密度的酸性位有利于氢转移反应的进行。
The results showed that hydrogen transfer reaction performances of zeolites depended on the type of pore structure and acidity, spacious pore and high acid sited…
降低FCC汽油烯烃含量的关键是要增加FCC反应中的氢转移能力，以饱和汽油中的烯烃。
The key to reducing olefin content in FCC gasoline is to increase the hydrogen transfer capability in FCC reaction to saturate the olefin in gasoline.
这是因为在活泼氢和催化剂活性中心之间有链转移反应发生。
This is due to the chain transfer reaction between the active hydrogen and the active centers of the catalyst.
比较了各种不同的表面活性剂胶束体系对反应的影响情况和途径，表明胶束可以作为一种有效的反应介质研究氢负离子的转移反应。
The results are discussed by comparing the different effects of micelles on this reaction, which show that the micelle can be applied on the hydride transfer reaction as an effective reaction medium.
氢转移是催化裂化的特征反应之一。
Hydrogen transfer is one of the characteristics of catalytic cracking reaction.
链转移氢、其它原子或反应种转移到反应体系的化合物中(单体、引发剂或溶剂)，从而导致聚合物增长终止，这种情况称为链转移。
A growing polymer is terminated by the transferred of a hydrogen or other atom or species to it from some compound present in the system-the monomer, initiator, or solvent, as the case may be.
结果表明，庚烯-1在酸性催化剂上会发生齐聚、裂化、骨架异构和氢转移等反应；在较高转化率下，甚至会发生四聚反应。
The results showed that the oligomerization, cracking, skeletal isomerization and hydrogen transfer reaction of 1-heptene occurred on acid catalysts.
结果表明，庚烯-1在酸性催化剂上会发生齐聚、裂化、骨架异构和氢转移等反应；在较高转化率下，甚至会发生四聚反应。
The results showed that the oligomerization, cracking, skeletal isomerization and hydrogen transfer reaction of 1-heptene occurred on acid catalysts.
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