几何异构体

C（30）-HPLC-PDA分离与鉴定β，β-胡萝卜素几何异构体

Separation and Identification of β,β - carotene Geometrical Isomers by C_ ( 30 ) - HPLC-PDA

当x≥2时，谱线数目随着x迅速增加，其原因是几何异构体的数目和类型迅速增加。

While x ≥ 2 , the number and species of the geometric isomers increase .

二硫代氨基甲酸汞配合物Hg2（S2CNR2）4几何异构体的量子化学研究

Quantum Chemistry Study on Geometrical Isomerization of Hydrargyrum ( II ) Complex with Dithiocarbamate

有机质谱人工智能（AI）解释－邻位效应重排在鉴别位置异构体及几何异构体中的应用

AI Interpretation of OMS-Ortho Effect Rearrangement and its Application to identify the Positional and Geometric Isomers

共轭亚油酸（conjugatedlinoleicacid，CLA）是一组位置和几何异构体的十八碳共轭二烯酸的统称。其双键位于7,9；

Conjugated linoleic acids ( CLA ) refer to a collection of positional and geometric isomers of octadecadienoic acid with conjugated double bonds .

共轭亚油酸（conjugatedlinoleicacid，CLA）是含有共轭双键的不饱和脂肪酸，有多种几何异构体和位置异构体。

Conjugated linoleic acid ( CLA ) which is unsaturated fatty acid includes conjugated double bonds and has many kinds of geometrical isomers and positional isomers .

共轭亚麻酸（Conjugatedlinolenicacid，CLnA）是十八碳三烯酸的一组位置和几何异构体，具有抑制肿瘤形成、增强机体免疫力和影响脂代谢等功能。

Conjugated linolenic acid ( conjugated linolenic acid , CLnA ) is a group of position and geometric isomers of octadecenoic acids , which inhibit carcinogenesis , enhance immune and alter the lipid metabolism .

其中在最后两步脱砜（脱苯磺酰基）脱苄基反应和氧化后所生成的几何异构体比例方面我们作了大量的研究和分析工作，对辅酶Q10的合成具有一定的参考价值。

During the course , we did a lot of work in two aspects : how to remove benzenesulfonyl and benzyl groups , then analyzed the ratio of geometrical isomers after oxidation . It has great consult value on synthesis of Coenzyme Q10 .

与反相C18固定相相比，C30固定相分离类胡萝卜素的几何异构体具有明显的优势。因此，可以认为：应用反相C30柱分析生物样品特别是食品材料中的类胡萝卜素会具有良好的前景。

In comparison of reversed-phase C18 , this stationary phase exhibited a greater benefit for the separation of geometrical ( E / Z - ) isomers and was therefore considered to have a bright future for the analysis of carotenoids from biological samples , especially from foodstuffs .

由炔类化合物合成几何异构体用的试剂

Reagents for the synthesis of geometric isomers from acetylenic compounds

伊曲康唑区域和几何异构体的合成及结构阐明

Synthesis and Structure Elucidation of Regio - and Geometrical Isomers of Itraconazole

二硫代氨基甲酸镉配合物几何异构体理论研究

A theoretical study of the geometrical isomerization of cadmium (ⅱ) coordination complexes with dithiocarbamate

用毛细管色谱柱分离昆虫性信息素几何异构体的研究

Study on Resolution of Geometric Isomers of Insect Sex Pheromones with Capillary Column GC

2-羟基-4（5）-取代二苯甲酮肟的几何异构体分离及其结构研究

Separation and identification of geometric isomers of 2-hydroxy-4 ( 5 ) - substituted benzophenone oximes

几何异构体的比较与鉴别

Comparison and Identification about Geometric Isomerides

顺、反式二氯菊酸几何异构体含量分别为91.4%、93.0%。

The racemic purity of cis - and trans-DCCA was 91.4 % and 93.0 % , respectively .

提出基团&邻接原子对的分子结构单元新划分方法，并对几何异构体做了校正。

In this paper a new division method of molecular structural units involving group-adjacent atom pairs has been proposed with the correction for geometric isomerism .

共轭亚油酸是一系列位置和几何异构体的总称，其中的活性异构体具有多种重要的生理功能，近年来受到越来越多的重视。

Conjugated linoleic acids ( CLA ) are the floorboard of a series of position and geometry isomers , and the active isomers have many important physiological function , thus have attracted more and more attention in recent years .

该方法将共轭三烯6个烯碳的特征化学位移作为相似分析的基本参数，计算样品与每一个几何异构体间的相似指数，根据最大相似指数确定样品最可能的构型。

In this method , the chemical shift of six olefinic carbons is defined as element parameters for similarity analysis , similarity index of any isomer is calculated in terms of each of the standard isomers , the configuration of isomer was assigned based on the maximum index .

共轭亚油酸（conjugatedlinoleicacid，CLA）是亚油酸的一组几何和位置异构体，作为瘤胃微生物的产物，天然存在于反刍动物肌肉和脂肪中。

Conjugated linoleic acid ( CLA ) is a group of geometric and positional isomers .