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苯胺盐

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P-π conjugated polyamic acid was synthesized by the poly-condensation of benzoguanamine and pyromellitic dianhydride under microwave irradiation. Then PAA was grafted with different side-chain containing azobenzol groups through azo coupling reaction.

选取苯代三聚氰胺和均苯四酸二酐为单体进行微波辐射溶液聚合反应,所得的聚酰胺酸与对位取代基不同的苯胺重氮盐偶合接枝,从而合成了一系列新的具有三阶非线性光学活性的侧链型聚合物。

The complexation of SCnA also results in a bathochromic shift and a decrease in optic intensity of the absorption spectrum of DS.

在水溶液中磺化杯芳烃可与二苯胺重氮盐形成包结物,导致DS的化学位移向高场移动,同时使其吸收光谱红移,强度下降。

Benzoperoxide/N,N-dimethylaniline initiator system that can eliminate the danger of using MEKPO/Co salt system used in UPR at room temperature was studied in this paper.

采用过氧化苯甲酰/N,N-二甲基苯胺固化体系室温条件下对不饱和聚酯树脂进行固化,可以降低常用的过氧化酮/钴盐体系的危险性。

The antiarrhythmic drug ibutilide fumarate was synthesized from aniline by methylsulfonylation, Friedel Crafts reaction, condensation, reduction and salification with an overall yield of 44%.

以苯胺为起始原料,经甲磺酰化、傅克反应、缩合、还原和成盐反应等 5步合成了抗心律失常药富马酸伊布利特,总收率 4 4 %。

The polyaniline hybrid materials doped with cobalt substituted silicotungstate isomers α,β-Kβ(subscript 6-n)H[SiW11Co(H2O)O39]xH2O β(subscript i=β1,β2,β3 have been prepared.

以Keggin结构钴取代杂多硅钨酸盐异构体α,β-K(下标 6-n)H[SiW11Co(H2O)O39]xH2Oβ(下标 i=β1,β2,β3为掺杂剂,采用固相合成法制备了4种聚苯胺掺杂材料。

Optimum conditions are as follows: DMF is used as solvent, compound quaternary ammonium salt as catalyst, n(p-nitrochloro benzene):n=1: 1.2, m:m(p-nitrochloro benzene)=4%, m:m(p-nitrochloro benzene)1:1, and reacted under 155~160℃ for 18 h; reduction reaction is carried out in methanol with Raney nickel, which is used as catalyst; the raw product is added an antioxidant, and distilled simply under reduced pressure to obtain 4-fluoroaniline with excellence quality, purity is over 99.5%, total yield is 89.3%.

实验结果表明,氟化反应的最佳条件为:二甲基甲酰胺为溶剂、复合季铵盐为催化剂,n:n=1:1.2,m(催化剂:m=4%,m:m=1:1,于155~160℃下反应18h;还原反应在甲醇中进行,以阮内镍为催化剂;粗产品加入抗氧剂,减压条件下简单蒸馏得高品位的对氟苯胺。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。