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In my work, mesoporous lamellar zincum sulfide is synthesized by hydrothermal techniques, with CTAB as templates and Zinc acetate and sulfourea as precursors. The best reactive condition is as follows: the ratio of reactive components is CTAB:Zinc acetate:sulfourea:water=1:3:10:1388; the volume of pH is 4.4; the best hydrothermal parameter is 100℃ for 48h.

以十六烷基三甲基溴化铵为模板剂合成层状介孔硫化锌的最佳反应条件为CTAB:Zn2:(NH2)CS:H2O=1:3:10:1388,pH值范围为3.8-5.8, 100℃下水热48h,此时得到的样品呈现一套层状介孔结构,相应的晶面间距为33.0 A,16.7 A,11.1 A。

It was based on the enhancement of the intensity of RLS by the synergistical action of phloxine B,fsDNA and cetyltimethylammonium bromide.

研究了阴离子染料荧光桃红 B对鱼精脱氧核糖核酸和阳离子表面活性剂溴化十六烷基三甲铵的共振光散射光谱有协同增强作用,建立了一种定量测定fsDNA的灵敏度高、操作简便的共振光散射方法。

Highly toxi c solvents benzene,tetrachloromethane,methanol were replaced by toluene,1,2-di c hloroethane,ethanol in the course of reaction and purification.

甲基 2 ,1,3 苯并噻二唑的溴化改在低毒性的 1,2 二氯乙烷中进行,革除了高毒性的四氯化碳。

At the same time, the intensity ratio of the ICT fluorescence to the LE fluorescence, I〓/I〓, shows a "bell"-shaped variation with increasing CTAB concentration The intensity ratio was found to level off after the CMC of CTAB Together with the data from UV-Vis absorption spectroscopy, electric conductance measurements and the control experiments with tetramethylammonium bromide, it was concluded that the"bell"-shaped variation in the intensity ratio before CMC is due to the formation of premicelle aggregates consisting of ICT fluorophore and CTAB.

此时,ICT荧光强度与LE荧光强度之比,I〓/I〓随CTAB浓度增大而呈&钟形&变化。当CTAB浓度高于CMC时,I〓/I〓为一常数。根据紫外-可见吸收光谱,电导以及四甲基溴化铵对照实验的结果可知,当CTAB浓度低于其CMC时,I〓/I〓的&钟形&变化是由于长链对二烷基氨基苯甲酸与CTAB组成的胶束前簇集体形成所致。

Results showed that the synergistic action of brominated epoxy 10% and Sb2O3 3% could improve the limiting oxygen index from 18 to 30 and gave good mechanical performance to PU coatings.

结果表明当溴化环氧用量为10%,在3%的Sb2O3协同作用下,可将聚氨酯涂料的极限氧指数从18提高到30,同时能保证聚氨酯涂料优良的物理机械性能。

The cationic surfactant cetyltrimethyl ammonium bromide was used to modify the surface of the supported nano bimetal alloy.

将十六烷基三甲基溴化铵用于负载型纳米二元合金的表面改性,改性后的材料对TCE的还原脱氯性能提高。

It was based on the reaction between thiamine and hexacyanoferrate in sodium hydroxide medium to give CL signal,which was enhanced by cetyltrimethyl ammonium bromide.

基于在N aOH碱性中,铁氰化钾可以直接氧化维生素B1产生化学发光,而十六烷基三甲基溴化铵的存在可以大大增强这一化学发光强度,结合流动注射分析技术,在研究并优化化学发光条件的基础上,建立了测定维生素B1的化学发光分析方法。

A novel polymerizable amphiphilic compound with self-assembly ability, 4-2-(acryloyloxy ethoxy benzyl tri-ethyl ammonium bromide, was designed and synthesized. It exhibits good water solubility, strong self-association ability and response to extra-stimulation.

设计并合成了一种新型具有自组装功能的可聚合两亲化合物4-2-(丙烯酰氧基乙氧基苯亚甲基三乙基溴化铵,它易溶于水,具有很强的自缔合能力和对外界刺激的响应性。

Thus,it is considered as an ideal heat-transport and cold-storage medium.

四丁基溴化铵包络化合物浆是在常压下由TBAB水溶液被冷却到0~12℃时生成的,是一种理想的冷量输送和蓄冷媒体,以固液两相悬浊液的形式存在。

In the medium of H2SO4 with KBr as the catalyst, the color of Cresol Red oxidized by iodate can be faded, and the degree of color fading is proportional to the concentration of iodine and the linear range of determination is 20 μg/25 mL~50 μg/25 mL.

在硫酸介质中、在溴化钾催化条件下,碘酸根对甲酚红有褪色作用,且褪色的程度与碘酸根的量有关,碘定量测定的线性范围为20μg/25mL~50μg/25mL,检出限为6.57×10-1μg/25mL,回收率为98.1%~104.2%。

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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。

If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.

如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。