顺式结构
- 网络Cis structure;cis form;cis isomer;cis-arrangement
![顺式结构](../cache/1192176.jpg)
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尽管NMF反式结构比顺式结构能量高,但由于反式结构能与水分子形成双氢键,因此能更稳定的存在。
Although the energy of trans-NMF is higher than cis-NMF , trans-form exits more stably because it can form a double hydrogen bond with water .
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聚合物的分子量较大,顺式结构含量高。
The polymer or copolymer has high molecular weight and high cis content .
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利用启动子分析软件在人类转录因子数据库中搜索可能存在的顺式结构;
Online promoter analysis tools of TESS and Genomax were used to search possible sequence of transcriptional start site and message RNA sequence were fished out .
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定量分析结果表明,产品对氨基环己烷甲酸的纯度可达到96.8%,而且以顺式结构为主。
Quantitative analysis indicates that the purity of hydrogenation product , 4-ACCA , is 96.8 % and 4-ACCA exists mainly in the form of cis structure .
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并根据实验和计算结果,计论了取代基效应、溶剂效应对该类化合物的影响及原因,讨论了基团-SO3Na对该类化合物的影响及顺式结构不具有荧光的原因。
According to the computational and experimental results , the influence and reasons to the compounds of this type by the substituent effects and the solvent effects are discussed , the influence by the group-SO_3Na and the reason of cis-isomers showing no fluorescence are also discussed here .
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本文主要对涉及DNA复制起始的顺式元件的结构和功能及其与RNA转录的关系进行了评述和总结。
In this review , we summarized the progress of the structure and function of cis-acting DNA elements in DNA replication and their relationship with RNA transcription .
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顺、反式结构对MPV异构体的分子构型和吸收光谱的影响
Influence of cis and trans structures on molecular conformation and UV spectra of MPV isomers
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聚乙炔顺、反式结构对硫化聚乙炔的稳定性及其电子性质的影响
The Influences of Isomer Structures of Polyacetylene on the Stability and Electronic Properties of Polyacetylene Sulfide
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启动子是基因表达调控重要的顺式元件,其结构与功能的研究成为分子生物学的研究热点之一。
As promoters are essential cis-acting elements in gene expression , their structure and function become one of the hot spots of molecular biology .