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。
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。
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。
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。
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。
A possible reaction mechanism of TBH-amine system was then suggested.
初步提出了TBH -醇胺引发体系的反应机理。
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。
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。
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。
The research result demonstrates that the total amine rate of recovery is 99.5%.
返滴定电位分析法试验研究表明总胺回收率达99.5%以上。
Stable self emulsified system was obtained after neutralization by triethyl amine.
经三乙胺中和后得到稳定的自乳化体系。
A stable self emulsified system was obtained after neutralization of triethyl amine.
经三乙胺中和后可以得到稳定的自乳化体系。
The Triethyl Amine Cold Core Process is one of the fruitful technique means among them.
三乙胺法冷芯工艺是其中富有成效的工艺方法之一。
Dithiooxamide molecules were adsorbed on the metal surface through the amine and thiol groups.
二硫代乙二酰胺分子通过其氨基和巯基共同吸附于金属表面。
An amine or amino resin is the alkylated reaction product of urea or melamine and formaldehyde.
含胺基或氨基树脂是尿素或三聚氰胺和甲醛烷基化反应产品。
Street lights in the dark, it all, this city, this world, it seems to me that is so dirty amine .
在昏暗的街灯下，这一切，这个城市，这个世界，在我看来是如此胺脏。
Solid phase synthesing method of aldehyde, ketonic, oxime, amine and isohydroximic acid compound.
醛，酮，肟，胺和异羟肟酸化合物的固相合成方法。
These amine substituted acid may polymerize in an analogous manner to unsubst stated oxo - anions.
这些氨取代酸可以与未取代的氧络阴离子相类似方式聚合。
The extraction properties and mechanism of niobium thiocyanate complex with secondary amine 7203 are studied.
研究了仲胺7203(简写为7203)萃取铌硫氰酸盐络合物的性能及其机理。
It was known that amine oxide was the one of the most powerful solvents for cellulose, but it was not available.
据了解，氧化胺是最强大的纤维素溶剂之一，但它是不可用。
Modifier CM is synthesised by tertiary amine and epoxy chloropropane for improving properties of cellulose fibre.
纤维素纤维改性剂CM系由叔胺与环氧氯丙烷合成。
He made up the word based on the Latin vita meaning "life" and amine the class of chemicals that thiamine belonged to.
基于意为“生命”的拉丁语单词vita以及硫胺所属的那类化学物质amine(胺)，冯克造出了这个新单词。
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。
An advantage of the new methods is the utilization of easily accessible allylic amine derivatives as monomer precursors.
利用这种新方法是利用方便烯胺衍生物作为单体的前体。
Finally, the remaining amine groups are acetylated to ensure that the complex particles do not bear any surface charges.
最后，科学家将剩余的氨基进行乙酰化，这保证了复杂粒子不会受到表面电荷影响。
In this paper carbonylation of nitro compounds with co-reagent based on secondary amine, primary amine and 4-aminopyridine is detailed.
本文介绍了二级胺、一级胺和4 -氨基吡啶为共试剂的硝基化合物的羰基化反应情况。
In this paper carbonylation of nitro compounds with co-reagent based on secondary amine, primary amine and 4-aminopyridine is detailed.
本文介绍了二级胺、一级胺和4 -氨基吡啶为共试剂的硝基化合物的羰基化反应情况。
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