查询词典 chiral

In this thesis, several novel reaction-controlled chiral phase-transfer catalysts were designed and synthesized from readily available materials, and were used in the asymmetric epoxidation of unfunctionalized olefins and chalcone.

本文以有机合成方法学为目标，从廉价的原料出发，合成出几个新的反应控制的手性相转移催化剂，并且检验了他们在催化烯烃的不对称环氧化中的催化效果。

With the development of life science and biological engineering, chiral separation and recognition have been payed close attention universally ,which have important significance in organic chemis- try, life science and medicinal chemistry.

随着生命科学和生物工程的发展，手性拆分和手性识别引起了人们的普遍关注，研究对映体拆分与识别对有机化学、生命科学和医药工业均具有十分重要的意义。

That is why it is vital to be able to produce the two chiral forms separately.

这就是为什么分别生产两种手性形式是极其重要的。

Chiral recognition is an important part of molecular recognition.

手性识别是分子识别的一个重要组成部分。

In this dissertation, the chiral separation by HPLC was studied.

在各种拆分方法中，液相色谱法是目前的主要途径之一。

In this paper,-2-chloropropionic acid was studied in two aspects: optimization to synthesis and chiral analysis.

本文从2-氯丙酸的合成优化和手性分析两方面做了进一步的研究。

In this article,the development of molecular imprinted technology and mechanism of chiral recognition were introduced.

介绍了分子印迹技术及其手性识别机理的最新研究进展，对该技术在色谱分离领域的应用现状、存在的问题及解决方法进行了重点评述，并展望了其今后的发展方向。

As a result,it is of vital importance to separate the enantiomers of a chiral drug in metabolic studies.

因此，在手性药物代谢的研究中，同时测定对映体是极为重要的。

So the key of asymmetric reaction is design and synthesis of the chiral ligands.

因此，手性催化反应的关键是手性配体的设计与合成。

In this paper, the global market of chiral drugs were summarized.

简要阐述了手性药物的世界销售市场。

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％。