氨基化合物

The hydroxyl amino acid has been replaced, the resulting compounds can also be regarded as ammonia hydrogen has been replaced by acyl derivatives.

羧酸中的羟基被氨基取代后，生成的化合物，也可看作是氨的氢被酰基取代的衍生物。

ALA belongs to the class of amino ketones. Its stability should be considered in the process of separation.

ALA属于氨基酮酸类化合物，分离过程中需要考虑到ALA在发酵液中的稳定性。

As a comparison,the amination of phenols turn out to be unsuccessful under various conditions tested.

同时我们也开展对苯酚类化合物氨基化的反应研究，使用多种策略，均未成功。

Amino desacetoxycephalosporanic acid (7 - ADCA) is an ampholyte.

7-氨基去乙酰氧基头孢霉烷酸是两性化合物，从等电点两侧改变溶液的 p H值都可以产生过饱和度并结晶得到晶体产品，本文对 7-ADCA两种方法结晶的初级成核过程进行了研究。

Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine.

酰亚胺源自氨的一种化合物，含有与一个二价酸基或者二个一价的酸基结合的氨基

Chiral amino-hydroxy compounds have been proved to be a very efficient class of ligands in a variety of catalytic asymmetric syntheses and chiral auxiliary synthesis catalyzed by metallic ions.

手性氨基-羟基化合物是一类用于催化不对称合成和手性辅助合成的重要配体。

A compound derived from ammonia and containing the bivalent NH group combined with a bivalent nonacid group.

亚胺源自氨的一种化合物，含有与一个二价非酸基结合的氨基

Preferably, at least one member selected from among heterocyclic compounds having any of hydroxyl, carbonyl, carboxyl, amino, amido and sulfinyl and containing at least either a nitrogen or a sulfur atom is contained in the polishing solution.

优选其中包含杂环化合物，所述杂环化合物含有羟基、羰基、羧基、氨基、酰胺基和亚磺酰基中的任1种，且含有氮和硫原子中的至少1种。

Direct enantiomeric separation of racemic mixtures of 13 β-amino alcohols and β-hydroxy sulfides was achieved by HPLC using Chiralcel OD, Chiralcel OJ and Chiralpak AD as chiral stationary phases and hexane/2-propanol mixture as eluent. These racemates were completely separated into enantiomers at least on one of these stationary phases.

在以正己烷-异丙醇为移动相的体系中，用ChiralcelOD，ChiralcelOJ及ChiralpakAD作为手性固定相对13种β-氨基醇及β-羟基硫醚类化合物对映体进行HPLC手性拆分，这些化合物至少能在一支柱上得到基线级分离。

For the first three months of pregnancy, women should try to avoid perming hair, perming agents due to the nitro-containing compounds and alkaline hydrogen peroxide; especially hair dyes containing nitro-, amino-aromatic compounds, may affect fetal development, resulting in severe fetal deficiency occurred.

对于怀孕头三个月的妇女，应尽量避免烫发染发，因烫发剂中含碱性的硝基化合物和过氧化氢；特别是染发剂含有硝基、氨基的芳香族化合物，会影响胎儿的发育，严重的导致胎儿发生缺陷症。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了