Hydrogen transfer and group transfer polymerization.
氢转移聚合和基因转移聚合。
Propylene and butylene yields increase with low hydrogen transfer reaction.
氢转移反应越低，丙烯及丁烯等烯烃选择性越高。
Hydrogen transfer is one of the characteristics of catalytic cracking reaction.
氢转移是催化裂化的特征反应之一。
The concentration of carbenium ions plays key role in the hydrogen transfer ability of olefins.
正碳离子浓度对烯烃的氢转移反应起决定性作用。
Some hydrogen transfer reactions were favored by raising temperature in specific range of temperature.
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。
The profile of cracked products can be adjusted in a wide range by the degree of hydrogen transfer reaction.
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 hydrogen transfer reaction on the Y zeolite catalyst mainly takes place between gasoline olefins and naphthenes.
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。
Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.
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。
The principle of hydrogen transfer in catalysis-separation dehydrogenation membrane reactor designed by the authors is analyzed in detail.
分析了作者设计的新型催化-分离脱氢膜反应器的氢传递过程原理。
Aromatics formation are formed not only via the hydrogen transfer reaction between the molecules but also by dehydrogenation and aromatization.
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。
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 key to reducing olefin content in FCC gasoline is to increase the hydrogen transfer capability in FCC reaction to saturate the olefin in gasoline.
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。
Two kinds of palladium based membrane reactor models and their applications in hydrogenation, dehydrogenation and hydrogen transfer reactions are introduced.
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。
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…
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。
Excellent solubility and mass transfer of supercritical fluids improve greatly molecular fluidity, and enhance hydrogen transfer and engaging in free radical reaction.
自由基重组、自由基歧化。超临界流体优异的溶解能力和传质性能，增强了分子的流动性，提高了氢原子自由转移并参加自由基反应的能力。
The different Catalytic Hydrogen Transfer reducing agents was used to reduce the nitryl and the effect of the three Catalytic Hydrogen Transfer reducing agents was compared.
使用催化氢转移还原剂还原硝基，对比三种催化氢转移还原剂的还原能力。
The cracking and skeletal isomerization became more strong with the rise of reaction temperature, while oligomerization, cyclization and hydrogen transfer reaction became weaker.
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 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.
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 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：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。
They have these special organs that collect the hydrogen sulfide and carbon dioxide and then transfer it to another organ, where billions of bacteria live.
他们有这些特殊的器官来收集硫化氢和二氧化碳，然后把它们转移到另一个器官，那里有数十亿的细菌。
Diastereoselective transfer of the diazene hydrogen to one face of the prochiral alkene was studied.
研究了重氮烯氢向前手性烯烃单侧的非对映选择性转移。
They may suck hydrogen away from nearby stars in a process called "mass transfer," or collide with them and absorb them whole.
它们可能通过“质量传递”的过程从附近恒星那里吸收氢气，或者与相邻的恒星相撞并将其全部吸收。
This is due to the chain transfer reaction between the active hydrogen and the active centers of the catalyst.
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。
By using ABAQUS software, force convection elements were adopted to simulate the heat transfer between the coil and the forced convective hydrogen.
应用abaqus软件的强制对流单元，研究了在特定的气体流动条件下的钢卷与气体之间的传热。
To explore the role of the bridged N atom for a possible proton transfer in the active site of hydrogenase, we tried to introduce a hydrogen bond into a couple of designed molecules.
为研究氢化酶活性中心氮桥结构中氮原子是否起到质子摆渡的作用，设计了在分子内引入氢键的结构。
The stress transfer model of the sensor is analyzed and the relationship between the change of Fabry-Perot gap length and hydrogen concentration is constructed.
分析了其应力的传递过程，建立了法布里-珀罗腔腔长变化与氢浓度关系的数学模型。
This paper is mainly concerned with the oxygen hydrogen detonation driving technique, which is used in JF-10 shock tunnel to explore the high temperature real gas effects on heat transfer.
本文主要介绍了爆轰波驱动技术在激波风洞实验方面的应用。首先，JF-10高焓激波风洞，经过努力成功地实现带扩容腔的变截面氢氧爆轰方式运行。
The strip cooling rate with hydrogen and hydrogen plus water spray on continuous annealing line is estimated according to the heat transfer principle.
利用传热学原理估算了带钢连续退火生产中采用氢气和氢气加雾化水冷却介质的冷却速度。
The charge distribution and the direction of charge transfer in the hydrogen bond adduct are discussed.
讨论了分子中的电荷分布及其转移方向。
Dehydrogenases catalyze the transfer of two hydrogen atoms form substrates to NAD and NADP.
脱氢酶催化两个氢原子从底物到NAD和NADP的转移。
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