不对称的

Shizhu County of Chongqing and Lichuan City of Hubei are the main places to produce Chinese goldthread and have convenient condition for the cooperation of production and sale of Chinese goldthread because the two places have similar growing environment for Chinese goldthread and the similar deep processing level.

摘 要：重庆市石柱县和湖北省利川市一直保持着黄连主产区地位，两地黄连生长环境同质、产品深加工水平相当，具有产销合作的便利条件。但由于两地分属于不同的行政区，黄连产销存在同质性竞争、地方政府保护和销售信息不对称等问题。

Recent advances in addition,reduction,and asymmetric reactions of imines were reviewed.

亚胺是一类羰基化合物与氨的缩合产物，作者综述了近年国内外亚胺在加成、还原和不对称反应等方面的研究进展

Therefore,we should adopt efficient countermeasures to eliminate the negative impactions and solve the problems of graduates' employment.

因此，我们必须采取有效措施消除信息不对称所带来的不利影响，促使毕业生的就业问题得以顺利解决。

A new technique of faults identification and condition monitoring of three-phase induction machine using bispectrum has been presented.

对三相电机不对称故障检测和条件监视，我们提出了基于双谱的分析的新方法。

The number of optical isomers is 2n, where n is the number of asymmetric centers.

光学异构体的数量是2 n，在此n是不对称中心的数量。

The asymmetric reduction of prochiral P-oxo ester, aromatic ketone and aliphatic ketone to its corresponding chiral alcohol by yeast cells were studied respectively in this work when ethyl 4-chloro-3-oxobutyrate, acetophenone and 2-octanone were as the model substrates.

本文以4-氯乙酰乙酸乙酯、苯乙酮和2-辛酮分别为β-羰基酯、芳香酮和脂肪酮的模型底物，研究了利用活性酵母细胞催化这三类前手性酮不对称还原合成相应手性醇的反应特性。

The new system has been applied to the asymmetric catalytic reduction of pro ketones .

第一次成功设计、合成了新型的双手性口恶唑硼烷还原体系，并将其应用于前手性酮的不对称还原。

When we used ligand 3k-Zinc in the asymmetric addition of phenylacetylene to ketones at room temperature, the highest ee was up to 85%.

当我们用配体3k-Zinc作为催化剂在对苯乙炔对酮的不对称加成反应中，产物最高的ee可达85％。

The advances in asymmetric reduction of prochiral ketones to chiral alcohol s with biocatalysis are reviewed.

综述了国内外利用生物催化羰基的不对称还原合成手性醇的研究情况。

Asymmetric Digital Subscriber Line ADSL is a relay in the absence of the subscriber loop network, the use of the load of high-speed digital telephone lines to provide access to the transmission technology.

不对称数字用户线 ADSL是在无中继的用户环路网上，使用有负载电话线提供高速数字接入的传输技术。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。