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- interspecies hydrogen transfer 种间(分子)氢转移
- The results indicated that carbon black could promote the hydrogen transfer from tetralin to anthracene. 结果表明，炭黑可以明显地促进四氢萘到蒽的氢转移反应。
- Hydrogen transfer, protonization and formation of methene bridge are probablely the main reasons for the above structural characters. 氢转移、质子化、亚甲基桥的形成可能是导致这些结构特征的主要原因。
- Hydrogen transfer activity of different zeolites and different Y zeolites has been studied in the catalytic cracking of dodecane. 以正十二烷为模型化合物,考察了不同类型分子筛和不同Y型分子筛的氢转移性能及其对裂化产物中液相烯烃产率的影响。
- 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 hydrogen transfer reactions were exothermic, so a reduced reaction temperature was in favor of the catalytic cracking desulfurization of thiophene. 由于氢转移反应为放热反应，因而降低反应温度有利于噻吩催化裂化脱硫。
- Hydrogen transfer through a bimolecular reaction between hydrocarbons and thiophene species seems to be the convincible reaction pathway for achieving de... 烃类化合物与噻吩间的双分子氢转移反应看来是裂化脱硫的可信的反应途径。
- BEA zeolite and new-developed medium-pore molecular sieves MCM-22 has high activity of hydrogen transfer reaction and good performance of catalytic crackingsimultaneously. 含碱性离子分子筛及其催化剂的酸碱性表征结果表明，裂化活性的提高主要与B酸量的增加有关，而氢转移反应活性的提高则可能是分子筛碱性位的碱性变化即碱量增加、碱强度提高所造成。
- By proper adjusting the ratios of bimolecular cracking reactions to hydrogen transfer reactions, the product slates of FCC process could be more flexible and various. 较高的反应温度和较高的重时空速有利于裂化反应，有利于提高裂化反应与氢转移反应之比。
- With weakening of competitive adsorption behavior, the rate of dehydro-condensation reaction decreased , and hydrogen transfer reaction was obviously strengthened. 随着竞争吸附效应的减弱，脱氢缩合反应比例下降，氢转移反应显著加强。
- The results show that under the testing conditions the proceeding of olefins cracking and the ratios of cracking to hydrogen transfer are varied over various catalysts. 结果表明，汽油烯烃在不同类型的催化剂上发生裂化反应强弱及其与氢转移反应之比大小是不同的；
- Experimental results showed that the reaction conditions favoring the hydrogen transfer reaction also promoted the cracking desulfurizarion of thiophene. 结果表明,有利于氢转移反应的条件亦可促进含噻吩烃类的裂化脱硫。
- A series of Y zeolites were prepared by routine method,and the thermal stability,cracking activity and hydrogen transfer activity of the prepared Y zeolites were measured. 用常规方法制备了一系列Y型分子筛，测定了其热稳定性、催化裂化及氢转移活性。
- Using n-hexane as a model compound,hydrogen transfer reaction activity over several types of modified zeolites under FCC processing conditions are investigated. 以正己烷为模型化合物,在接近工业催化裂化(FCC)过程的反应温度下,考察了几种改性分子筛在催化裂化过程中的氢转移反应性能。
- The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity. 此发明应用于芳香酮的不对称氢转移反应等的催化反应中，可以得到很高的产率和对映选择性。
- Hydrogen transfer reaction is one of the most important reaction in FCC.It determinates distribution of the product, quality of product and the olefin content in cracked product. 氢转移反应是催化裂化过程中的重要二次反应,对催化裂化的产品分布、产品质量以及裂化产物中的烯烃含量存在显著影响。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Hydrogen transfer reduction of acetophenone with iso-propanol catalyzed by the complex of 2, 6-bis (1-phenylimino) ethyl pyridine and dichloreis (triphenylphosphine) ruthenium was investigated. 摘要以2,6-二[1-（苯基亚胺基）乙基]吡啶与三苯基膦氯化钌的配合物为催化剂，考察了苯乙酮的氢转移氢化反应。
- The quality of FCC diesel fraction can be optimized by controlling the reaction rate of hydrogen transference of aromatics with condensed rings. 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 results show that AF~ exchanging makes the amount of acid sites and L acid increase, and the activity of hydrogen transfer is also enhanced, which increases the cracking-desulfuration ability of the zeolite. 结果表明，铝交换改性使酸量和Lewis酸量增加，氢转移活性增强，提高了分子筛的裂化脱硫活性。
