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After UV irradiation and the decomposition of diazium group, the linage of the films will be converted from ionic bond to covalent bond, result in the films could resist the etching of polar solvents and strong electrolyte.

利用传统的三电极光电转换装置,以0.5M KCl溶液为支持电解质,测试了含聚苯胺衍生物超薄膜的光电转换性能,并考察了影响光电流产生的影响因素。

Two kinds of di aniline derivative s connected with oxamethylene bridge or azamethylene bridge were synthesizied by condensation of o nitrophenol and ethylene dibromide (1,4 dibromobutane)or 4 chloro 3,5 dinitrobenzotyifluoride and ethylene diamine(1,6 hexandiamine)and consequent reduction.

由邻硝基苯酚和二溴乙烷以及由4-氯-3, 5-二硝基三氟甲苯和乙二胺为原料通过桥接、还原合成两类由氧亚甲基或氮亚甲基桥联的双苯胺衍生物。

The total iron in iron ore was titrated by potassium permanganate standard solution with sodium diphenylamine sulfonate as indicator.

用HNO3-HF处理,硫-磷混酸溶解试样,在盐酸介质中,用二氯化锡-三氯化钛将Fe(上标 3+)还原为Fe(上标 2+),以二苯胺磺酸钠为指示剂,以高锰酸钾标准溶液滴定铁矿石中的全铁量。

It is demonstrated that living polymerization can be achieved when the concentration of electron pair donors such as DMAB or Et3N is higher than that of trace water in the polymerization system,and that polymers with narrow molecular weight distribution can be obtained.

发现当N,N-二甲基苯胺或三乙胺的浓度稍高于质子性杂质的浓度时,即能实现异丁烯的活性聚合,得到分子量分布较窄的聚合物。

In addition, ioding was found to be an efficient catalyst for the imino Diels-Alder reaction of N-arylimine and enol ethers and the reaction provided tertrahydroqinolines in good yields. One pot synthesis of tetrahydroqinolines from aldehyde, aniline and enol ethers was also achieved using iodine as the catalyst. The chemical yield of the"one pot"reaction was comparable with that obtained using preformed N-arylimine.

此外我们也发现碘能够有效地催化N-芳基亚胺与烯醇醚的Diels-Alder反应,以很高的化学收率得到了四氢喹啉衍生物,并且发现碘也能够直接催化芳香醛、苯胺、烯醇醚的三组分"一锅"反应,获得的化学产率与使用预制的N-芳基亚胺相当。

Mesitylene is an important material in organic synthesis mainly used toproduce 1,3,5-trimethylaniline, weedicide, antioxygen agent, medicine and manyvarious fine chemical intermediates.

均三甲苯是一种重要的有机合成原料,主要用于生成均三甲苯胺、除草剂、抗氧剂、医药及多种精细化工中间体。

A novel PAn/CeO2 nano-composite has been successfully synthesised by three different ways, ie, in-situ dispersion polymerization with nano CeO2 particles, in-situ polymerization in CeO2 nanaparticles hydrosol and in-situ polymerizatoin in CeO2 nanoparticles organosol.

本论文采用三种不同的方法:在CeO2纳米粒子存在下的在位分散聚合法、CeO2纳米水溶胶中的原位聚合法、CeO2纳米有机溶胶中的原位聚合法制得了聚苯胺/纳米CeO2复合材料。

Perceptively on 3d and 5d. Collagen is positive in Western blot on 9d. Aniline dyeing is positive on 12d. The control group was negative. Ad-BMP-2 transferred MSCs cultured in fibrin gel was positive in Aniline dyeing, Immunohistochemical. The therapy effect of group was better in histology, biochemistry and biomechanics in all periods than the other two groups, and was similar to the natural cartilage.

结果 ①Ad-BMP-2转基因MSC BMP-2、CollagenⅡ的PT-PCR分别在3、5d呈阳性,CollagenⅡ的Western Blot 9d为阳性,较对照组有显著差异;②转基因MSC经纤维蛋白体外三维培养后免疫组化和苯胺蓝染色呈阳性,电镜显示细胞生长良好,有基质合成;③转基因修复组各时期大体、组织形态学和组织化学成份均显著优于其它两组,12W时力学和组织学已接近正常关节软骨。

The forming mechanism of dihydrophenophosphazine by the interaction of Ph〓NH and PCl〓 was studied, and the possible forming mechanism of spiro phosphonium chloride in the same reaction system was also proposed.

讨论了二苯胺与三氯化磷的成环机理以及反应过程中螺磷杂环化合物的形成机制,提出5,10-二氢磷杂吖嗪-10-氧化物存在类"烯醇—酮式"互变异构现象。

3D-QSAR studies for one large set of quinazoline type epidermal growth factor receptor inhibitors were conducted using two types of molecular field analysis techniques: comparative molecular field analysis and comparative molecular similarity indices analysis .

采用了CoMFA和CoMSIA方法,进行了几类4-苯胺喹唑啉类抑制剂的三维定量构效关系的研究。

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I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。

The lawyer's case blew up because he had no proof.

律师的辩护失败,因为他没有证据。