查询词典 chiral

In the second part, other types of chiral selectors were used for enantioseperation of thioridazine in order to compare with the MI-S-b-CD system.

第二部分则以其他种类的环糊精等对掌选择剂来分离分析物的对掌异构物，探讨不同对掌选择剂对分析物对掌异构化动态学的影响，与MI-S-b-CD分离的结果做比较。

We found that, with the use of other chiral selectors, except for the S-b-CD (18) system, the formation of plateau in the enantioseperation of thioridazine could not be observed.

而除了S-b-CD (18)之外，其他的对掌选择剂进行分离时，则没有平台的讯号产生。

In this article,chiral topological index was obtained by extending Am index devised by our laboratory.

我们对 Am指数进行了扩展，得到 e Am指数，并将其应用于手性分子的结构-活性相关研究。

The C30 carbyne trefoil knot studied is intertwined by the sp hybridized15 chain, which is topologically chiral and belongs to D 3 point-group of symmetry.

三叶结分子是最简单的非平凡纽结分子， C30卡宾三叶结分子是由一条闭合的15 sp杂化碳链组成的，是具有 D 3对称性的拓扑手性分子。

The trefoil is known as the simplest nontrivial molecular knot. The C30 carbyne trefoil knot studied is intertwined by the sp hybridized15 chain, which is topologically chiral and belongs to D3 point-group of symmetry.

三叶结分子是最简单的非平凡纽结分子，C30卡宾三叶结分子是由一条闭合的l5 sp杂化碳链组成的，是具有D3对称性的拓扑手性分子。

Molecular mechanics was introduced into the field of molecular recognition of chiral SalenZn for the first time. The minimal energy conformations of host-guest system were obtained with Tripos force field. The difference of the energy of L and D-amino acid esters system was mostly attributed to the difference of electrostatic energy.

首次将分子力学的方法引入手性Salen金属配合物的识别研究体系，用Tripos力场研究了主体Salen-Zn与氨基酸酯缔合后的体系最低能量构象，分析了L、D型两个体系能量差异的主要来源，即分子识别的主要根源是静电能的差异。

The minimal energy conformations of host-guest complexes were obtained with Tripos force field. Molecular dynamics simulations were carried out to investigate chiral molecular recognition and the distribution of hydrogen bonds. The energies of recognition system were calculated with MM+ force field as well.

首次将分子力学方法引入卟啉的手性分子识别领域的研究；用Tripos力场研究了主客体配合物最低能量构象，比较了同一主体与互为对映异构体的两个氨基酸甲酯形成的配合物的能量差异；用分子动力学模拟方法研究了手性分子识别行为及体系的氢键分布；用MM+力场研究了识别体系的能量。

Producing chiral epoxides and vicinal diols by means of enzymes is a very attractive method, which has high stereoselectivity, and is good for environment.

同时运用酶法拆分获得的手性环氧化物和邻位二醇具有高度立体选择性、环境友好等优势，是一个很有吸引力的方法。

Sodium(3 S,4S)-3-amino-4--2-ox-Oazetidine-1 -sulfonate is its key intermediate, a chiral zwitterion.

手性内盐(3S，4S)-3-氨基-4-氨甲酰氧甲基-2-氧代氮杂环丁酮-1-磺酸钠是卡芦莫南的关键中间体。

The invention discloses a process for preparing N-Boc derivative or N-Cbz derivative of chiral alpha, alpha'-double substituent pyrrolidine which contains ethylenic link and acetylenic link substituent.

本发明公开了一种制备含烯键和炔键取代基的手性α，α'-二取代吡咯烷的N-Boc衍生物或N-Cbz衍生物的方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。