亚胺

The results show that it only takes 8 min for the reaction, when the initiator is potassium persulfate/sodium thiosulfate which forms an oxidation-reduction initiator system; N,N-methylene diacrylamide is as cross-linker; neutralization degree is 70%, under the microwave power of 360 W.

结果表明，在360W的微波辐射功率下，采用过硫酸钾与硫代硫酸钠的氧化还原引发体系，N，N-亚甲基双丙烯酰胺为交联剂，接枝单体的中和度为70%时，只需8min就可以完成纤维素基高吸水树脂的接枝共聚合成。

In addition to this,we discussed the stereochemistry in the synthesis of polyhydroxyα-amino acid based on chiral tert-butanesulfinyl amide.

除此之外，我们还系统讨论了基于叔丁基亚磺酰胺的多羟基取代α-氨基酸合成方法中的立体化学问题。

According to the stereochemistry of products, we proposed that the probably proceeding mechanism and analyzed the stereo controlling effection of N-tert-butanesulfinamide in coupling reaction.

我们对反应进行了深入研究，并根据产物的构型，推测了可能的反应机理和N-叔丁基亚磺酰胺辅基在反应中的立体控制。

Methods: Analyses are based on the adolescent a subsample (ages 12-17, N=19430), of a nationally representative community survey.

目的 ：评价美国青少年中 Ecstasy （ 3，4-亚甲二氧基甲基苯丙胺， MDMA ，即"摇头丸"）使用与心理障碍的共病形式，调查个体、家庭和社区水平的相关危险和预防因素。

Both styrene conversion and epoxide selectivity can be obviously improved when a solution of N,N-dimethylformamide and dimethyl sulfoxide with an appropriate proportion is used.

使用适当比例的N，N-二甲基甲酰胺和二甲亚砜的混合溶剂能够显著提高苯乙烯的转化率和环氧化物的选择性。

Using stearic acid, hexadecanoic acid,thionyl chloride,triethylamine as raw material, neutral sizing agent AKD was synthesized through three steps of reaction,i.

以硬脂酸、棕榈酸、氯化亚砜、三乙胺为原料，经过酰氯化、缩合和浓缩三步反应合成了中性施胶剂AKD。

Using 1-amino-2-phenoxy-4-hydroxyanthraquinone, chlorosulfonic acid ,thionyl chloride,and 3-ethoxypropylamine as raw materials and sodium carbonate as acid-binding agent,C.

以1-氨基-2-苯氧基-4-羟基蒽醌、氯磺酸、氯化亚砜、3-乙氧基丙胺为原料及Na2CO3为缚酸剂合成了C.I。分散红92。

The result showed that the nitrate content could be decreased when adaptive fertilizer was applied with a feasible rate and well-timed.

人们从食用的蔬菜中摄入硝酸盐后，在体内还原酶的作用下可形成亚硝酸盐，然后与胺生成亚硝酸

The experimental reaction kinetics data were represented by two models:(1) Pseudo-first order reaction mechanism incorporated with the zwitterion mechanism for CO2-AMP reaction mechanism.

而二氧化碳在混合醇胺水溶液之亨利常数、扩散系数将由氧化亚氮相似定律估算。

It was discovered that proteases, lipases and abzymes can be used for the regioselective acylation of sucrose.

酶催化合成蔗糖酯通常在N，N-二甲基甲酰胺，二甲基亚砜和吡啶等有毒溶剂中进行。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。