苯胺的

The recent advances in the main clean processes to synthesize diphenylmethane diisocyanates are reviewed, such as BTC method, condensation of aniline, reductive carbonylation of nitrobenzene, oxidative carbonylation of aniline, methoxycarbonylation of aniline, alcoholysis of N,N'-diphenyl urea and the coupling process.

回顾了清洁合成二苯甲烷二异氰酸酯的几种主要方法，如BTC法、苯胺缩和法、硝基苯还原羰基化法、苯胺氧化羰基化法、碳酸酯法、二苯基脲法和反应耦合法等合成路线。

The white mixture of starting materials turns green after milling, indicating the formation of polyaniline in its doped emeraldine oxidation state.

白色的初始材料混合物在球磨后变成了绿色，这表明，混合物在掺杂苯胺绿氧化状态下形成了聚苯胺。

Application of conductive polyaniline on the electronic related industry has become more and more interesting and popular. In this research, the chemical oxidization method was used to form emeraldine salt type PANi doped with HNO3 and dodecyl benzene sulfonic acid.

导电性聚苯胺(Polyaniline；PANi)应用在电子相关产业是目前相当热门的研究领域，本研究采用化学氧化合成法制备硝酸与十二烷基苯磺酸共掺杂之Emeraldine Salt型聚苯胺。

Amino-6-nitrobenzodifuroxan was prepared through a three-step reaction from starting material 3, 5-dinitrobenzoic acid:(1)3, 5-dinitroaniline (1) was synthesized from the reaction of DNBA and hydrazoic acid in inert solvent 1, 2-dichioroethane through Schmidt rearrangement with yield of 89.6%;(2) 1 was subjected to nitration to prepare pentanitroaniline (2) with yield of 51.1%;(3) The title compound was prepared from 2 and sodium azide in acetic acid through denitrogenation and then Schmidt rearrangement with yield of 86.8%, m.p.204℃～206℃.

以3，5-二硝基苯甲酸为原料经过3步反应合成了7-氨基6-硝基苯并二氧化吠咱：第1步反应，在二氯乙烷惰性溶剂中，DNBA与叠氮酸反应并发生Schmidt重排反应生成3，5-二硝基苯胺(1)，产率89.6%；第2步反应，1在含100%硫酸的硝硫混酸中硝化生成五硝基苯胺(2)，产率51.1%；第3步反应，2与叠氮酸反应，不经分离直接进行热解脱氮、Schmidt重排反应，得到目标化合物， m.p.204℃~ 206℃，产率86.8%。

The method is characterized in that the acid solution of one of hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid and hydriodic acid is divided into two portions; aniline monomer and ammonium persulfate are respectively added; then aniline monomer solution and ammonium persulfate solution can be prepared.

一种乙酸松油酯的制备方法，其特征是，将盐酸、硫酸、硝酸、磷酸、氢碘酸中任一种酸溶液分成两等份，并分别加入苯胺单体和过硫酸铵，形成苯胺溶液和过硫酸铵溶液。

Using phenylamine and acetic acid as raw materials,cyclohexane and toluene-p-sulfonic acid as dehydration and catalyst respectively.

以苯胺和冰醋酸为原料，环己烷为脱水剂，对甲苯磺酸为催化剂，采用正交实验法，探讨了乙酰苯胺合成的适宜工艺条件。

In electrochemistry, constant voltage and circle voltage-current methods were adopted. The influences of monomer concentration, protonic acid concentration, the kinds of anions and scanning speed on the properties of conducting Polyaniline were investigated.

采用恒电位法和循环伏安法，着重分析了苯胺单体浓度、质子酸浓度以及阴离子种类、扫描速度对电化学合成聚苯胺性能的影响。

The solubility of polyaniline in ordinary organic solvents and water could be improved by introducing sulfonic group.

通过在聚苯胺链上引入磺酸基团，能有效地改善聚苯胺在普通有机溶剂和水中的溶解性。

Polyaniline/Sulphosalicylic Acid nanotubes and nanofibers which are formed by doping 5-sulphosalicylic acid into aniline, neodymium oxide( Nd_2O_3) and Polyaniline/ Nd_2O_3 composite nanomaterial are successfully synthesized by a method of template.

利用模板法合成了5-磺基水杨酸与苯胺掺杂形成的聚苯胺/磺基水杨酸纳米纤维及纳米管，以及氧化钕(Nd_2O_3)纳米棒和PAN/Nd_2O_3复合纳米材料。

Results In 38 cases of tarry stools,the positive percentage is 60.5 by colloidal gold indicator paper,and the positive percentage is100 byorthotolidine method and tetramethyl benzidine indicator paper.In 16 cases of stomach strains the positive percentage is respectively 68.8,100 and 81.3 by above three methods.

结果：测试38例&柏油&样粪便标本，胶体金试纸阳性率为60.5％，邻联甲苯胺和尿隐血试纸均为100％；测试16份含红细胞的胃引流物标本，胶体金试纸阳性率为68.8％，邻联甲苯胺为100％，尿隐血试为81.3％。

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。