类似氢的

The cetane number can be increased by more than one time as compared with hydrorefining process.

与加氢精制相比，在相类似的操作条件下达到同等脱硫脱氮深度时，本发明的方法可提高十六烷值的幅度约是加氢精制工艺的一倍以上。

The results indicated that Fructose 1,6-bisphosphate aldolase,succinate dehydrogenase ,and hexokinase were very sensitive to temperatures .Citrate-synthase was similar to that of mesophiles in temperature properties .

结果表明Y18细胞中1，6-二磷酸果糖醛缩酶，琥珀酸脱氢酶和己糖激酶对温度很敏感，柠檬酸合成酶的温度效应类似于中温酶，α-酮戊二酸脱氢酶和异柠檬酸脱氢酶存在不同温度特性的同功酶。

On the basis of the previous research of Annonaceous Acetogenins in ourgroup, the doctoral dissertation describes the design and synthesis of analogs of bis-THF AA such as Isochermolin and Membranacin.The study on these analogs andthe natural product Annonacin complex with metal ion by NMR has been carriedout.

本论文是在我们小组进行番荔枝内酯类似物的基础上，设计合成了一系列双四氢呋喃环番荔枝内酯类似物，并通过核磁共振等手段研究了类似物和天然产物Annonacin与钙离子的络合特性。

Therefore, the hydrogen production by Etharioligenens sp. B49 was probably by Clostridial type pathway.

初步判断高效产氢菌B49的产氢代谢途径类似于梭菌型产氢途径。

The effect of silicon atom in substrate on the reaction rate and the stereoselectivity of enzymatic reactions was revealed by comparison of horse liver alcohol dehydrogenase-catalyzed stereoselective dehydrogenation of the three isomers of acetyltrimethyl propanone and their carbon analogues in aqueous/organic biphasic systems.

本项目通过对比在水－有机溶剂两相系统中，马肝醇脱氢酶催化三甲基硅烷丙酮的三个异构体及其碳类似物的光学选择性脱氢反应，揭示了底物中的硅原子对酶反应速度、立体选择性的影响规律，成功地合成了高对映体纯度的手性有机硅醇，并实现了辅酶的再生。

In the process, 2, 4-difluoroaniline is used to carry out ammoniated reaction. Then through a series of similar reactions, the important intermediate of temafloxacin, which is called 7-chloro-6-fluoro-1-(2, 4-difluorophenyl)-1, 4-dihydro-4-oxo-3-quinoline acid, is gained.

与环丙沙星和二氟沙星类似，用2，4-二氟苯胺进行胺化反应，再进行一系列类似的反应，制得合成替马沙星的关键中间体7-氯-6-氟-1-（2，4-二氟苯基）-1，4-二氢-4-氧代喹啉-3-羧酸。

An enzyme in certain microorganisms that catalyzes the formation of hydrogen.

一种类似盐的化合物，用作还原剂和氢的来源。

The author innovated forging process of shell of forging - welded hydrogenating reactor which was awarded The First Prize state Science and Technology Development before, by using VE principle.

运用价值工程原理，改进了获国家科技进步一等奖的锻焊结构加氢反应器的简节锻造工艺，创新后的简节锻造工艺又应用在其他两台类似的加氢反应器上，总计降低生产成本1700余万元

MethodsErgosterol was separated from Bulgaria inquinants and oxygenized ;its analogue 7-dehydrodesmosterol was also oxygenized. The antituberculous activity of oxygenized products were detected using MTT method.

方法从胶陀螺中分离得到麦角甾醇，对其氧化得到麦角甾醇过氧化物；并对麦角甾醇类似物7-脱氢胆甾醇进行氧化得7-脱氢胆甾醇过氧化物；用MTT法检测其氧化产物的抗结核活性。

Bisbenzimidazolium salts were used as a tetrahydrofolate coenzyme model, and thus the biomimetic synthesis of twenty-four acyclic diketones as precursors for macrocyclic ketones was successfully accomplished by using the addition-hydrolysis reaction of the bisbenzimidazolium salts with alkyl magnesium halide, wherein six diketones have not been reported in literature.

在本文中，受四氢叶酸辅酶的一碳单元转移反应的启发，作者以双苯并咪唑盐作为四氢叶酸辅酶模型，利用格利雅试剂与双苯并咪唑盐的加成-水解反应，成功合成了二十四种作为麝香酮及类似大环酮重要前体的长链二酮，同时，提供了一种麝香酮及类似大环酮的仿生合成新方法。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失