The complete force fields of the cis and trans isomers are determined by the method of determining force field combining model potential function method with MNDO method.
将模型势函法和MNDO方法结合起来，得到了顺、反甲酸分子的完整力场。
There was cis-trans isomerism on the system of SSBR/S/NS and the degree of cis-trans isomerism.
SSBR/S/NS体系存在顺反异构现象，顺反异构程度也存在。
The results show that both cis - and trans - form of NMF can form a linear hydrogen bond with water.
计算结果表明，NMF的顺式和反式构型都可以与水分子形成线型的氢键结构。
The cis - or trans-2, 5-disubstituted tetrahydrofurans were provided by the hot decomposition and then hydrogenation of tricycle compounds produced.
所得的三环化合物经热分解和加氢反应，制备顺式和反式- 2,5 -二取代四氢呋喃。
Gene expression is regulated by the complex interaction of many cis-acting elements and trans-acting factors.
基因表达是由众多顺式作用元件和反式作用因子相互作用调控的。
Present studies indicate that the interactions between trans-acting factors and corresponding DNA cis-acting elements are the basis of chromatin remodeling and gene transcription regulation.
已有研究表明DNA顺式作用元件与反式作用因子之间的相互作用是染色质重塑和基因转录调节的基础。
The structure of fatty acids, can be changed by hydrogenation, high temperature for long time, etc. , and cis fatty acid is fatty acid is turned to trans fatty acid (TFA).
油脂在加工过程中由于加氢、长时间高温等引起脂肪酸结构变化，顺式脂肪酸转变为反式脂肪酸。
Many events such as the alteration of chromatin structure, the interaction between cis-elements and trans-factors are involved in this process.
它涉及到染色体结构的改变、顺式作用元件和反式作用因子相互作用等多种过程。
In this system, phase grating is formed after photoinduced trans-cis isomerization occurs on azo polymer and it separates with the liquid crystal.
该体系中的偶氮聚合物在光诱导下发生顺反式异构形成与液晶分离的相光栅。
NUTRAMAX's Resveratrol is extracted from Polygonium cuspidatum and grape skin, it's rich with Both cis- resveratrol and trans-resveratrol .
长沙绿蔓生物科技有限公司的白藜芦醇是从虎杖以及葡萄皮中萃取，含有丰富的顺白藜芦醇和转白藜芦醇。
Azobenzene and its derivatives are characterized by reversible cis-trans isomerization.
偶氮苯及其衍生物的特点在于可逆顺反异构化。
This article summarizes the difference of pyrethroid isomers in degradation and chiral stability from aspects as cis-trans isomers and optical isomers.
从顺反异构体、光学异构体两方面对拟除虫菊酯异构体的降解差异及稳定性差异进行了综述。
After the ionization of the NMF-H 2o cluster, both the cis - and the trans-form will produce protonated products.
n甲替甲酰胺水团簇电离后，无论顺式和反式结构均有质子化产物生成。
In plants, the expression of many genes is regulated at transcriptional level, and mostly by cis - and trans-acting elements.
许多植物基因表达的调控发生在转录水平上，主要受顺式元件和反式因子的调控。
Azoxybisbenzo-15-crown-5 was synthesized. Photoinduced trans-cis isomerization as well as its ability to extract alkali metals and rare earth metals' were dis-cussed.
合成了一种新的双冠醚，氧化偶氮双苯并15 -冠- 5。初步探讨了它的光异构现象及其对稀土和碱金属离子的萃取能力。
Saturated fatty acid and trans fatty acid in Fried food were higher than non-fried food; polyunsaturated fatty acid and cis fatty acid of Fried food was lower than non-fried food.
实验发现，油炸后食品中饱和脂肪酸和反式脂肪酸含量比油炸前食品中含量有升高，而油炸后食品中多不饱和脂肪酸和顺式脂肪酸含量比油炸前食品中含量显著降低。
There was cis-trans isomerism on the system of SSBR/S/NS and the degree of cis-trans isomerism in the process of non-isothermal vulcanization was deeper than the isothermal vulcanization.
SSBR/S/NS体系的非等温硫化过程和等温硫化过程中均存在顺反异构化反应，且非等温硫化过程中的顺反异构化程度比等温硫化过程高。
There was cis-trans isomerism on the system of SSBR/S/NS and the degree of cis-trans isomerism in the process of non-isothermal vulcanization was deeper than the isothermal vulcanization.
SSBR/S/NS体系的非等温硫化过程和等温硫化过程中均存在顺反异构化反应，且非等温硫化过程中的顺反异构化程度比等温硫化过程高。
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