1·The chiral HMPA analogues were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride.
通过磷酰氯与手性仲胺的亲核取代反应高产率地合成了手性 HMPA 类似物。
2·Adding other groups at the amine stage may be advisable.
在胺阶段引入其他基团可能是有好处的。
3·Adding other groups at the amine stage may be advisable.
在胺阶段引入其他组可能是有好处的。
4·One major source of odor is the organic amine cadaverine.
一个主要的气味来源是有机胺类一尸胺。
5·A new process for potash production from amine is briefed.
本文简要介绍了用有机胺法生产碳酸钾的新工艺。
6·Allylic amine derivatives are inexpensive to prepare and are very stable.
烯胺衍生物是廉价的准备，而且非常稳定。
7·The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。
8·Cetirizine for the first generation of anti-drug hydroxyzine amine derivatives.
西替利嗪为第一代抗胺药物羟嗪的衍生物。
9·Some method about synthesis of piperazine with aliphatic amine were introduced.
介绍了由脂肪胺合成哌嗪的几种方法。
10·We study the trend of organic amine alkali by synthesizing all kinds of factors.
综合各种因素，具体分析有机胺碱，给出电子对趋势的大小。
1·The chiral HMPA analogues were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride.
通过磷酰氯与手性仲胺的亲核取代反应高产率地合成了手性 HMPA 类似物。
2·The nitrogen atoms of amines have what chemists call a lone pair of electrons, and it is this which attaches each amine molecule to the nanotube.
胺上的氮原子存在着一种电子对，化学家们管这叫孤对电子（译者：嘿嘿~高中知识竟然还未忘记），而正是这些孤对电子把胺分子牢牢绑在纳米管上。
3·Researchers from the University of Edinburgh will join the project, testing three different types of amine solution over the next three months.
来自爱丁堡大学的研究人员将会参与到此项计划中来，他们的主要工作将是在未来三个月内负责测试三种不同的胺溶液。
4·And ammonia becomes the feedstock for fertilizers, for almost anything that contains an amine in it, or a nitrogen in it.
氨是化肥的原料，和几乎所有含有胺，或氮的东西的原料。
5·Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2 -溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。
1·Polyurethane foam wastes were recycled by alcoholysis with 1, 2-propanediol. Polyol and amine compound were gained. Polyol compound was analyzed by infrared spectrum.
以1,2 -丙二醇醇解废旧聚氨酯得到多元醇混合物和胺类化合物，红外光谱法分析了多元醇混合物。
2·Some emphases on further research are indicated, such as the mechanism of removing amine and ether from malodorous gas and the optimisation of extracting process.
指出对恶臭气体中的胺类和醚类除臭机理、对植物提取液提取工艺优化的研究是今后研究的重点。
3·The smell (and taste) of fish arises from amine compounds. Suggest a reason why adding lemon juice (which is acidic) reduces the "fishy" smell.
鱼腥味来自于胺类化合物。为什么加入柠檬汁（记得它是酸性的）后可以降低腥味，请提出你的看法。
4·Objective To research the effects and mechanism of gastrodin against migraine and on single amine neurotransmitter.
目的研究天麻素对偏头痛大鼠的预防作用及对脑组织中单胺类神经递质的影响。
5·The results show that the organometal catalysts are suitable for the polyurethane coatings, and the tertiary amine catalysts are not suitable.
结果表明，有机金属类催化剂可用于催化本体系，而胺类的催化剂不合适；