查询词典 bromide

In this Ph. D. dissertation, reverse microemulsion method was fully used infabricating and modifying polyacrylamide with functional and high-relative moleculeweight. The copolymerization of 2-acrylamide-2-methylpxopanesulfonic acid, fluorescent monomer 4-methoxy-N-(2-N\', N\'-dimethylamino ethyl)naphthalimide alkyl chloride quaternary ammonium salt, fluorescentmonomer 4-(N\'-methyl-1-piperazinylallyl)-N-butyl-naphthalimide chloride quaternaryammonium salt, Cationic monomer dimethylethylammonium bromide and hydrophobical monomer octadecylacrylate with acrylamide and properties of the copolymers werestudied. The interaction between five polymers and Al_2O_3(012) crystal surface have beensimulated by Materials Studio 3.0 program package, binding energies and non-bondinteraction energies and deformation energies have also been acquired.

本文以制备具有较高相对分子质量和功能型PAM为研究目的，将反相微乳液法运用到其制备及改性的有关环节，通过反相微乳液聚合工艺，将几种改性功能单体2-丙烯酰胺基-2-甲基-丙磺酸、荧光单体2-(4-甲氧基-1，8-萘二甲酰亚胺基)-乙基二甲基烯丙基氯化铵、荧光单体4-(N'-甲基-1-哌嗪基)-N-丁基-1，8-萘烯丙氯季铵盐、阳离子单体丙烯酰氧乙基-二甲基-乙基溴化铵和疏水单体丙烯酸十八酯与AM共聚，制备AMPS改性PAM、荧光示踪型PAM、阳离子单体DMB改性PAM和OA改性PAM等四类不同功能单体改性PAM，并研究其应用性能。

The mobile phase was a mixture of acetonirile-40 mmol·L~(-1) dipotassium hydrogen phosphate solution40∶60,containing 10 mmol·L~(-1 cetrimonium bromide, adjust pH to 7.5 by phosphoric acid and the flow rate was 1.0 mL·min~(-1),with the detection wavelength at 215 nm.

结果马来酸、叶酸和依那普利之间能够达到很好分离；马来酸依那普利的线性范围为202.5~810.0 mg.L-1，r=0.999 8(n=6)，平均回收率为99.91%，RSD=1.15%(n=9)；叶酸的线性范围为16.28~65.12 mg.L-1，r=0.999 8(n=6)，平均回收率为100.11%，RSD=1.20%(n=9)。

Surface activity of alkaline lignin was improved by alkylation with dodecyl bromide at 170 ℃,3 h.

碱木质素因其分子上缺乏亲油亲水性均较理想的官能团，而在有机相和水相中的溶解度均不高，表面活性也很差[1] 。

The addition of 0.2 mmol/L of cetyltrimethylammonium bromide could change the direction of electroosmotic flow.

由于在背景电解质中加入了0.2 mmol／L十六烷基三甲基溴化铵，因而电渗流的方向与传统的毛细管区带电泳中电渗流的方向相反。

Second, Electroreduction of Carbon Dioxide on Nanocrystalline TiO2-CNT Complex Film Electrode in tetrabutylammonium bromide solution and fixation of Carbon Dioxide to organic compounds.

第二部分纳米TiO_2/碳纳米管复合膜电极在四丁基溴化胺水溶液中对二氧化碳的电催化还原及电解固定CO_2为有机化合物的研究 1。

The efficient synthesis of 2 (12 aminotridecyl)pyrrolidine (1), a new defensive alkaloid of Mexican bean beetle, Epilachna varivestis, has been achieved by employing the Wittig reaction as key step and 1 bromo 11 ethylenedioxyundecane as precursor of phosphonium bromide.

2- (12 -氨基十三烷基)吡咯烷(1)是从墨西哥大豆瓢虫 Epilachna varivestis中分离的新防卫生物碱。

To the best of our knowledge, the relationship of surface acitivity of catanionic surfactant with temperature has not been revealed, and the catanionic surfactant has not been employed in organic reaction also.In this work, surface tensions of equimolar cetyl trimethylammonium bromide-sodium dodecyl sulfate at different temperatures were determined and compared with those of corresponding individual surfactants.

为扩展复配体系的应用，本论文选取等摩尔十六烷基三甲基溴化铵—十二烷基硫酸钠复配体系及它们的单一体系为研究对象，观察到随着温度的升高，CTAB及SDS表面活性变化不大，而等摩尔CTAB-SDS的表面活性显著增强，这是由于升温减弱了其强烈的静电作用，并通过溶解性实验结果进一步证实。

In the presence of alkalinity and tetraethyl ammonium bromide, 2,4-dihydroxy benzophenone reacts with allyl glycidyl ether to form an ethylenic derivative of benzophenone, 2-hydroxy-4-(β-hydroxy-γ-allyloxy) propyloxy benzophenone, which can further undergo hydrosilylation with polyhydromethylsiloxane.

在相转移催化剂四乙基溴化按作用下，利用2，4-二羟基二苯甲酮与烯丙基缩水甘油醚在碱性水溶液中的开环加成反应，合成了中间体4-丙氧基－2-羟基二苯甲酮，将其进一步与聚甲基氢硅氧烷进行硅氢化加成反应。

This paper studies the synthesis of the Philippines from 9-hydroxy fluorene -9 - formic acid to its bromide process.

本文研究了由菲醌合成9-羟基芴-9-甲酸到其溴代的过程。

This paper studies the synthesis of the Philippines from 9-hydroxy fluorene -9 - formic acid to its bromide process.

谁有时间来给翻译一段话谢谢！~~^_^摘要：本文研究了由菲醌合成9-羟基芴-9-甲酸到其溴代的过程。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。