• 通过表面张力法研究了二甲基亚DMSO十六烷基三甲基化铵CTAB束形成影响

    The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension.

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  • 新洁尔灭(十二烷基二甲基苄基化铵)进行了比较

    Comparison was also made with dodecyl dimethyl benzyl ammonium bromide.

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  • 随十六烷基三甲基溴化铵浓度升高分离度呈非线性下降

    Nonlinear decline of resolution is found when concentration of cetyltrimethylaminiumbromide increase.

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  • 所用滴定剂十六烷基三甲基化铵指示极为氟硼酸根离子选择电极

    Cetyltrimethylammonium bromide is used as a titrant and a fluoroborate ion-selective electrode as an indicator electrode.

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  • 为底物,通过丁基溴化铵(TBATB)原位生成亚胺转氰基产物。

    Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).

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  • 本文以钨酸盐酸十六烷基三甲基溴化原料采用溶法制备了WO_3粉体

    Ultrafine WO_3 powders were prepared by colloidal chemical method using sodium tungstate, hydrochloric acid and palmityl trimethyl ammonium bromide as starting materials.

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  • 在以四丙基化铵模板廉价法TS-1分子筛合成,抑制骨架的形成一大挑战。

    Non-framework titanium species are the undesirable companions in the synthesis of TS-1 which used tetrapropylammonium bromide as cheap template.

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  • 豆油蔗糖为原料,十六烷基三甲基化铵转移,采用两步法合成大豆油蔗糖多

    Soybean sucrose polyester was synthesized with soybean oil and sucrose catalyzed by phase-transfer catalyst of cetyltrimethylammonium bromide (CTAB) in two-step method.

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  • 研究十六烷基三甲基化铵CTAB十二烷基磺酸AS)复配体系溶液区的相行为

    The phase behavior of cetyltrimethylammonium bromide(CTAB) and sodium dodecyl sulfonate(AS) mixed system in dilute aqueous solution region has been studied.

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  • 十六烷甲基苯氧乙基溴化铵能力起泡泡沫稳定性比较弱具有一定泡和作用

    The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.

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  • 研究十六烷基三甲基溴化铵CTAB改性制成的有机沸石水体中铬酸根的吸附性能吸附机制

    The adsorption of chromate on zeolite modified by cation surfactant CTAB and its mechanism were investigated.

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  • 实验结果表明:本体系中转移效率苄基三乙基氯化铵大于四丁基溴化乙基溴化铵

    The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB, and TBAB is nearly as efficient as TEBA.

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  • 采用正丁醇-氢氧反应体系,以十六烷基三甲基化铵转移脱乙酰为92%壳聚糖

    The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.

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  • 十六烷基三甲基溴化铵模板剂,正硅酸乙酯为碱性条件下合成了介孔分子筛m CM - 41

    The mesoporous molecular sieves MCM-41 is synthesized with CTAB as template and TEOS as silica source in the basic conditions.

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  • 采用甲酚紫-十六烷基二甲基苄基溴化测定洗涤剂工业的生产废水生活污水阴离子表面活性剂含量。

    Bromcresol burple - hexadecyldimethyl benzyl ammonium bromide spectrophotometry was used in the determination of anion surface active agent in wastewater from lotion industry or sewage.

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  • 常温磁力搅拌十二烷基三甲基溴化(DTAB)体系中用水合肼还原硝酸制备了颗粒细小均匀的纳米银粉。

    Silver nanoparticles with uniform diameters were obtained in dodecyl trimethyl ammonium bromide (DTAB) solution at room temperature under magnetic stirring through hydrazine reducing AgNO3.

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  • 还原剂条件下,十六烷基三甲基化铵诱导生成了三角形片状纳米,但是在强还原剂存在条件下生成了粒状纳米银。

    Cetyltrimethylammonium bromide induced to form the nanosized silver triangle plates in a weak reducing environment, and to form the grained silver powders in a strong reducing condition.

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  • 阳离子表面活性剂——十六烷基三甲基溴化CTMAB存在下,铝箔微量硫酸根离子进行测定。

    Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).

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  • 通过添加适量四丁基溴化转移使用过量的亚磷酸二异丙补偿强碱环境中的水解,从而提高了反应产率

    The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

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  • 同时我们电导法稳态荧光法研究多巴胺阳离子表面活性剂十六烷基三甲基溴化CTAB)胶束体系相互作用。

    We also studied the interaction between dopamine and the cationic surfactant sodium dodecyl sulfate (CTAB) by the methods of conductivity and the steady state fluorescence.

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  • 样品四丁基溴化铵二氯甲烷离子萃取方法相离子对色谱分离联用,水体芳香族磺酸盐的检测提供了可靠的监测手段

    The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.

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  • 通过表面张力法染色电镜法分别从两个方面研究了二甲基亚砜(DMSO十六烷基三甲基化铵CTAB束形成影响

    The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension and negative staining TEM measurements.

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  • 研究十六烷基三甲基(CTAB)DNA分子稳定性影响对于认识阳离子表面活性剂DNA二者之间相互作用具有重要的意义。

    Investigating the effects of cetyltrimethylammonium bromide (CTAB) on the thermal stability of DNA is of importance in understanding interactions between cationic surfactants and DNA.

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  • DMF-四乙基溴化TEAB)质子惰性介质中,马蔺子素连续电子还原生成相应氢阴离子,中间体半醌自由基反应发生

    In DMF tetraethyl ammonium bromide(TEAB) media, the reduction of irisquinone was two successive single electron processes without the chemical reaction of the free radical semiquinone.

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  • 以叔丁基过氧氢(TBHP),四丁基溴化铵(TBAB)为转移,有效地将乳酸合成丙酮酸乙酯,产品纯度达98%以上。

    Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.

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  • 十六烷基三甲基溴化(CTAB)表面活性剂,以1,3,5 -三甲基苯(TMB)为辅助剂合成出了不同孔径MCM - 41介孔分子筛

    The molecular sieve MCM-41 with different pore diameters is synthesized with Cetyltrimethylammonium bromide (CTAB) as the liquid crystal template and 1, 3, 5-trimethylbenzene (TMB) as assistant agent.

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  • 四丁基溴化铵四乙基溴化铵效率相当;采用2相转移催剂的催效率大于采用4克催剂的催效率;随高锰酸钾用量增加而增加

    The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.

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  • 本文研究-甲基百里香酚蓝-溴化十六烷基三甲基三元络合物光度测定反应条件络合物组成

    In this paper the condition and composition of the ternary complex for determination of cadmium with Cd-methyl thymol blue-cetyl trimethyl ammonium bromide have been put forward.

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  • 研究了硫酸铵-四丁基TBAB)-水体系萃取分离行为及其常见离子的分离条件

    The extraction separation behaviour of lead with(NH4)2SO4-tetrabutylammonium bromide(TBAB)-H2O system and the conditions for the separation of lead with other metal ions are studied.

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  • 本文将一水杨基荧光酮十六烷基三甲基胶束五色体系应用流动注射分析,建立了测定微量锗快速方法

    A new method for the flow injection spectrophotometric determination of germanium using salicylfluorone in the presence of cationic surfactant cetyltrimethylammonium bromide has been developed.

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