Methamphetamine exists as two enantiomers, dextrorotary and levorotary.
甲基苯丙胺以右旋和左旋两种对映体形式存在。
To separate enantiomers of gossypol.
目的分离棉酚光学异构体。
The natural products are not always pure enantiomers.
介绍了天然物不一定是纯的对映体；
Diastereomers that are not enantiomers also fall into this category.
不是对映异构体的非对映异构体也属于这一类。
Raceme separation is the main rout for preparation of pure enantiomers.
外消旋体拆分是获得单一手性化合物的重要途径。
Now, the most important thing is to obtain one of the chiral drug enantiomers.
因此，获得单一对映体的药物成为一项重要的工作。
The two enantiomers, however, showed equal inhibition activity on wheat growth.
但是对小麦生长的抑制活性两个对映体表现一致。
Objective: to develop a chiral separation method for the enantiomers of pantoprazole.
目的：建立泮托拉唑对映体拆分和对映体光学纯度测定方法。
The meaning of analyzing and separating the isomers and enantiomers of chiral agroche…
简单说明了每类农药异构体分析的意义。
In some dynamic kinetic resolutions, racemase can be used to interconvert the enantiomers.
在一些动态动力学拆分中，消旋酶还可以催化对映异构体之间发生互变。
The resolution for tryptophan enantiomers in the two systems were 3.86 and 2.97, respectively.
在这两种体系下分离色氨酸对映体的分离度分别为3.86和2.97。
This paper mainly deals with the separation of enantiomers through the ion-pair chromatographic system.
本论文采用手性离子对色谱法进行了分离手性药物的研究。
The results suggest that some isomers and enantiomers get relative good separation on the stationary phase.
结果表明，一些位置异构体和两种对映体在该固定相获得较好分离。
Pharmacological interactions between the enantiomers may happen when a chiral drug was used as its racemate.
当手性药物以外消旋体供药用时，其对映体间就可能发生药效学和药代动力学的相互作用。
Ligand exchange chromatography with chiral mobile phases was established for the separation of theanine enantiomers.
建立了配体交换色谱手性流动相法拆分茶氨酸对映体的方法。
A new method of ligand exchange thin-layer chromatography for the resolution of amino acid enantiomers has been studied.
报道了一种新的配体交换薄层色谱拆分氨基酸对映体的方法。
First, amylose was selected as chiral selector and the enantiomeric separation of citalopram enantiomers was achieved successfully.
首先以可溶性淀粉这种多糖作为手性选择剂，成功实现了西酞普兰对映体的手性分离。
Stereoisomers related to each other as enantiomers have the same connectivitybut are non-superimposable mirror images of each other.
相互有关的立体异构体作为对映异构体具有相同的连通性，但相互是非重叠镜像。
A gas chromatographic method was developed to directly determine the enantiomers of acrylic ketone alcohol and acrylic ketone acetate.
建立了基于手性毛细管柱直接测定丙烯酮醇和丙烯酮乙酸酯对映体含量的气相色谱法。
The results indicate that this method is rapid, simple, accurate and suitable for the chiral separation of pitvatin calcium enantiomers.
实验结果表明该方法可用于匹伐他汀钙对映体的分离，具有快速、便捷、准确性好等优点。
We also discuss effects of column temperature, the alcoholic modifier, additive and velocity of flow on the separation of the enantiomers.
探讨了流速、温度、扫尾剂、极性改性剂对分离的影响。
Result: Under the experiment conditions adopted, the baseline separation of nateglinide enantiomers was obtained, with the resolution 1.68.
结果：在所建立的最佳条件下，那格列奈对映体达到基线分离，分离度为1.68。
Resolution of the use of non-resolution of enantiomers methods used in organic solvents tartaric acid for the separation agent, to be S-type.
拆分采用非对映异构体拆分方法，在有机溶剂中用酒石酸为拆分剂，得到S型。
All the physical properties should be identical except for the optical rotations of the two isomers (enantiomers), which are of opposite sign.
这两个异构体(对映体)除了旋光度有相反的符号之外，其他所有的物理性质都应该是完全相同的。
A new capillary zone electrophoretic method has been developed for the enantiomeric separation and quantification of enantiomers of carnitine.
提出了用毛细管区带电泳分离和检测肉碱对映体的方法。
The difference between a continuous stirred tank reactor (CSTR) and a batch reactor was analyzed for the enzymatic kinetic resolution of enantiomers.
描述了在批式反应器和连续流搅拌反应器(CSTR)中酶动力学拆分对映异构体的不同之处。
Quinine and other related cinchona alkaloids were chosen for the separation of some tart enantiomers of phenylalanine, aromatic acids and other acids.
奎宁和其它金鸡纳生物碱类化合物作为手性选择子可分离苯丙氨酸、芳香酸和其它手性酸。
Conclusion: The method can be used for separating the enantiomers of Ornidazole and controlling of the impurity of dextroisomer in S-Ornidazole substances.
结论：本方法可以实现奥硝唑的手性分离，并能应用于左旋奥硝唑原料药中的右旋体杂质的控制。
Conclusion: The method can be used for separating the enantiomers of Ornidazole and controlling of the impurity of dextroisomer in S-Ornidazole substances.
结论：本方法可以实现奥硝唑的手性分离，并能应用于左旋奥硝唑原料药中的右旋体杂质的控制。
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