异构的

In contrast, the conformer with trans-trans arrangement is unstable and the energy is higher.

反之，完全采用trans-trans排列的旋转异构体构象能量较高，不稳定。

Thermodynamic analysis on the n C5, n C6 paraffin isomerization reaction was worked out in detail .

对C5、6正构烷烃异构化反应进行了详细的热力学分析。

Then, by using another tautomer (2H-indazole form), all of the above processes were repeated to investigate the effect of tautomerism upon the QSAR modelling.

对所有化合物采用另一异构形式重复上述过程，以探讨互变异构对QSAR建模的影响。

Three stable structures of the dimer and trimer have been obtained by the optimized geometries and frequencies calculation.

构型优化和频率计算得到3个稳定的二聚体和三聚体氢键异构体。

The content Of isoalkanes decreased when NiSO_4 was loaded, for supported Ni oxidecould promote the dehydrogenation of the precursors of aromatics by unimolecular reactionwhich did not generate negative hydrogen ions, and the carbonium ions could not obtainsufficient negative hydrogen ions to promote hydrogen transfer reaction.

负载氧化镍以后异构烷烃含量下降，氧化镍可以通过脱氢促进芳构化反应，使正碳离子得不到足够的负氢离子饱和使氢转移反应得到抑制。

The analysis of the products shows that the cracking, aromatization and isomerization reaction of hydrocarbons such as octane and benzene-n-octane over the nanoscale HZSM-5 catalyst followed the carbonium ion mechanism.

产物分析结果表明，烃类在纳米HZSM-5催化剂上的裂解、芳构化和异构化等遵循正碳离子机理。

The yields and ees obtained in the AD reaction of eight olefins utilizing 10 in PEG/NMO system were 72～90% and 79～96%(except for trans-5-decene and ally naphthyl ether).

3配体10和配体8是一对假对映异构体，在AD反应中立体选择面相反，可得到相反构型的产物。

A two-cell single-phase hybrid cascade asymmetrical multilevel converter is researched in the thesis based on AMC-AMC.

组合式不对称混合级联型多电平变换器拓扑的生成方法可以分为两种；同构组合以及异构组合结构。

This thesis discussed the construction method for hybrid cascade asymmetrical multilevel converters,and some novel topologies are presented. Hybrid cascade asymmetrical multilevel converter can be derived by combining AMC and AMC,or combining AMC and SMC.

本文研究了组合式不对称混合级联型多电平变换器拓扑的生成方法，在此基础上提出了几种新型拓扑，重点研究了不对称同构混合级联型多电平变换器和不对称异构混合级联型多电平变换器。

Pinl is a kind of peptidyl-prolyl cis/trans isomerase. Pinl specifically isomerizes the pSer/Thr-Pro motifs in proteins, relating to kinds of human diseases, especially cancer and AD.

hPinl是一种肽基脯氨酰顺反异构酶，能特异催化蛋白质分子中pSer/Thr-Pro肽键的顺反构型转变，与多种人类疾病相关，尤其是癌症和阿尔茨海默氏病(Alzheimers disease，AD)。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。