活性剂

Here we synthesize mesoporous aluminosilicate MAS-7 and MAS-9 and titanosilicate MTS-9 by using Beta, ZSM-5 and TS-1zeolite seed solution as inorganic precursor respectively and triblock copolymer surfactant as template.

我们分别使用Beta ，ZSM-5和TS-1导向剂为无机原料，以三嵌段共聚化合物表面活性剂为模板，合成了硅铝介孔分子筛MAS-7和MAS-9，钛硅介孔分子筛MTS-9。

Critically evaluates the literature on hormonally active agents in the environment and identifies known and suspected toxicologic mechanisms and effects of fish, wildlife, and humans.

审慎评估对激素活性剂的文学环境，并确定已知和可疑的毒理学机制和鱼类，野生动物的影响，和人类。

In order to verify that free radical damage and pulmonary surfactant deficiency may be two of ARDS major mechanisms, we used ARDS animal model to proceed to a prevention and treatment test of ARDS model by pulmonary delivery, results of animal study showed that the drug preparation can evidently reduced the mortality and pulmonary edema of model animals . Animal tests had showed that the drug preparation has no abnomal toxity.

为了验证自由基损伤和肺泡表面活性剂缺乏的结合可能是ARDS发病的主要因素以及制剂的疗效，通过建立ARDS实验动物模型对该制剂进行肺部给药防治ARDS的模型动物试验，实验结果表明能明显降低模型动物死亡率和肺水肿，同时，动物实验证明该制剂无异常毒性。

Effects of initial pH,aeration rate,temperature,surface-active detergent,inducer and metal ions on laccase production from Trametes versicolor HS-03 were studied.

研究了培养基初始pH值、通气量、温度、表面活性剂、诱导剂、金属离子对云芝(Trametes versi-color)HS-03产漆酶发酵条件的影响。

The company mainly produces surfactant, triethanolamine, printing and dyeing auxiliaries, silicone defoamers.

公司主要生产表面活性剂、三乙醇胺、印染助剂、有机硅消泡剂。

The optimum conditions of synthesis were determined as follows:molar ratio of 2,4-di-t-amylphenol and anhydrous trimeric acetaldehyde 2∶1.2,amount of water 180 g,amount of emulsifier 0.5 g,and amount of catalyst 11.0 g at reacting temperature 80～83℃ for 5 h.

以2 ，4-二叔戊基苯酚、无水三聚乙醛为反应原料，采用含有表面活性剂、酸性催化剂的水作为反应溶剂，缩合反应合成2，2′-亚乙基双(4，6-二叔戊基苯酚)。

A isotherm of a monolayer at air-water interface for a quaternary ammonium salt type trimeric surfactant (shortly called 12-2-12-2-12) was investigated by the Langmuir balance technology. The surface tension at collapse pressure,γ, and the molecular limited area, A, were determined and compared with the surface tension of the surfactant solution at CMC concentration,γ.

利用Langmuir膜天平研究了季铵盐三聚表面活性剂12-2-12-2-12在空气－水界面单分子膜的表面压－分子面积等温线，得到它的崩溃压对应的表面张力γ(下标 collapse)和分子极限面积A。

Using trimeric surfactant C_(14-2-14-2-14) as templating agent, the low cost and facile inorganic species sodium aluminate and sodium silicate as inorganic precursors, highly ordered 2D hexagonal aluminosilicate MCM-41 with high Al content were successfully synthesized.

利用廉价易得的硅酸钠和偏铝酸钠作为无机前驱体，以低聚季铵盐表面活性剂C_(14-2-14-2-14)为模板剂合成了高铝含量，高有序性的二维六方结构介孔硅铝酸盐材料，并对材料的结构、表面性质、形貌以及酸性进行了研究。

In this study, the amino propyl trimethoxy silane was used for the surface modification of silica, and the modified silica was adsorbed to surface of clay/silica (SiO2 : Clay = 4:1 and 2:1) and the clay/silica was adsorbed by the surfactant. Also, we used Dimethyldistearylammonium chloride and Dodecyltriphenylphosphonium surfactant to modify clay/silica. Then we prepared the Epoxy/clay/silica nanocomposites and Epoxy/clay/silica/DOPO composites.

中文摘要本研究利用胺基矽氧烷改质二氧化矽，并将改质二氧化矽吸附於蒙脱土上(SiO2 ： Clay = 4：1与2：1)再分别以Dimethyldistearylammonium chloride 与Dodecyltriphenylphosphonium界面活性剂改质蒙脱土/二氧化矽并与环氧树脂制备成复材，并且再另外加入含磷阻燃剂 9，10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide与环氧树脂制备成复材。

Nano-CaCO3 in water phase was modified with a trimethyl ammonium cationic surface treating agent via wet route.

研究了在水中利用季铵型阳离子表面活性剂对纳米CaCO3进行表面改性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。