甲基溴

The separation behavior of o hydroxybenzoic acid, m hydroxybenzoic acid and p hydroxybenzoic acid in high performance capillary zone electrophoresis was investigated using cetyltrimethylammonium bromide as reversed reagent for electroosmotic flow The effects of pH of buffer solution and volume fraction of methanol on the separation, peak shape and elution order were studie

采用十六烷基三甲基溴化铵为电渗流改性剂，考察了邻羟基苯甲酸、间羟基苯甲酸和对羟基苯甲酸在高效毛细管区带电泳模式下的分离行为，研究了缓冲液的pH和添加剂甲醇的用量对这 3种同分异构体的分离、峰形和出峰顺序的影响，并据此优化了这 3种异构体的分离条件。

A combination of stopped-flow,transmission electron microscopy and dynamic light-scattering techniques has been used to study the kinetics of vesicle formation and breakdown as well as the mechanism of vesicle formation and breakdown in DTAB/SDS aqueous solutions.

利用停流装置研究了十二烷基硫酸钠和十二烷基三甲基溴化铵复配形成囊泡的过程和囊泡破坏过程的动力学性质，并结合动态光散射技术和电子透射显微镜探索囊泡形成和囊泡破坏过程的机理。

In the fourth chapter , we studied the resonance light scattering spectral characteristic of patent blueⅤ- Cetyltrimethyl ammonium bromide-nucleic acid system, and the elementary reaction mechanism with absorption spectra method and 1H NMR spectra method. Another new determination method of nucleic acid at nanogram level was established.

第四章研究了五号专利兰-十六烷基三甲基溴化铵-核酸体系的共振散射光谱特征，并结合吸收光谱法、核磁共振光谱和一系列条件实验探讨了它们的作用机理，建立了一种测定纳克级核酸的新方法。

Using Tween20, which was nontoxic and biodegradable, and CTAB as templates, mesoporous silica with uniform diameter pores was synthesized by solgel process.

以具有无毒、生物降解特性的吐温20为模板剂，在少量十六烷基三甲基溴化铵的复合作用下，合成了具有均一孔径的介孔二氧化硅材料

Surfactant p-octyl polyethylene glycol phenyl ether (Triton X-100) or cetyltrimethylammonium bromide was mixed with n-hexane, n-hexanol, and water for preparing reverse microemulsion.

分别以聚乙二醇辛基苯基醚(Triton X-100)或十六烷基三甲基溴化铵为表面活性剂，与正己烷、正己醇和水构成反相微乳液。

Mesoporous tin oxide was synthesized by using cetyltrimethyl ammonium bromide or CTAB and Tween-20 as the template or hydrothermal process. Hollow tin dioxide micospheres were synthesized by using resorcinol-formaldehyde gel as the template or hydrothermal process. Thermogravimetric analysis, X-ray diffraction and electron microscopy have been used to characterize the materials.

本文分别采用十六烷基三甲基溴化铵模板法、CTAB和吐温20复合模板法及水热法来合成介孔氧化锡；用间苯二酚和甲醛凝胶模板法及水热法合成空心球氧化锡，并用热分析、X射线衍射、电镜等对以上材料作了形貌及结构表征。

Maximum bubble pressure method was used to determine the dynamic surface tension of aqueous solution of cetyltrimethylamonium bromide. Adsorption kinetics of CTAB at the air/water interface has been studied.

用最大气泡压力法测定了十六烷基三甲基溴化铵水溶液的动态表面张力，研究了CTAB水溶液表面吸附的动力学及其影响因素。

A: There are two treatment options, heat treatment or fumigation with methyl bromide.

问：实际的处理和标记要求是什么？答：有两种处理选择：热处理或者甲基溴熏蒸。

Many believe that the scientific evidence of methyl bromide's ozone-depleting effects is undeniable.

很多人相信，有关甲基溴化物有破坏臭氧层的作用的证据不是无可置疑的。

After that meeting, there was pressure to add methyl bromide as a controlled, ozone-depleting substance.

那次会议之后，将甲基溴化物加入限制使用的行列就有了很大压力。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。