表面活性剂

The foam properties of four kinds of cleavable s-triazine fatty sulfonate surfactants with different length of alkyl chains were studied by improved Ross-Miles method. The effects of mass concentration, temperature and calcium ion concentration on their foam properties were discussed.

采用改进的Ross-Miles法研究了4种不同烷基链长的可断键均三嚓脂肪磺酸盐表面活性剂(OSEAT、DSEAT、TSEAT、HSEAT)的泡沫性能，考察了质量浓度、温度、Ca(上标 2+)浓度对它们泡沫性能的影响。

The result shows that the spatial distribution of coalescent filler has great effect on the coalescent removal of oil.

同时，废水中还含有大量的表面活性剂、聚合物、碱等物质，这些物质的存在又进一步增加了原油在水中的稳定性，使得现有的重力除油设施除油效率很低。

Based on the security,efficacy,cheapness and easy gain three disinfectant drugs(acids, degerming agents,surface active agents)were chosen to killing coccidial oocysts in chicken.

本试验按照安全、有效、经济、来源容易的原则，从对鸡球虫卵囊有一定抑杀作用的三类消毒药物(酸类、消毒剂类、表面活性剂类)中，筛选了 17组不同药物和浓度的搭配组合，设计了 3个试验：抑制鸡球虫新鲜卵囊孢子化试验；抑杀孢子化卵囊试验；新鲜卵囊和孢子化卵囊经药物处理后感染小鸡试验。

The effect of the latter was that the resulting codeposit will contain only a few PTFE particles at lower surfactant concentration, and that it will contain a lot of bubblles at higher surfactant concentration, and that a flat composite codeposit formed with densely arranged micro-cells at suitable surfactant concentration.

后者的影响是：在表面活性剂浓度过低时所沉积的镀层中只含很少量的PTFE粒子，在其浓度过高时所沉积的镀层中会夹杂许多气泡，只有在其浓度合适时才能得到平整的、由致密排布的微胞组成的复合镀层。

Analyze the reason of LAS(12-s-12) and different surfactants combinate create different synergistic effect.

分析了LAS(12-s-12)与不同类型表面活性剂复配产生不同协同效应的原因。

Systematic experiments were carried out to investigate the factors that affect the morphology. We demonstrate that ZnO with different morphologies such as flowers and rods can be controllably obtained by simply varying the basicity in the solution.

围绕以上内容，主要开展了以下几方面的工作：(1)应用简单低温水热法，无需加入表面活性剂，成功制备不同形貌的纳米ZnO。

Results indicate that as the molecular mass of polyethylene glycol increases, the conductance is increased obviously, and the surface tension is decreased from 36.28 mN/m to 31.30 mN/m, while the cloud point is increased from 39.6 ℃ to 58.9 ℃. Their emulsifying abilities to BA, MMA and BMA are superior to that of OP-10, and the surfactants is homopolymerize or copolymerize with acrylate at 70 ℃ under the initiation of AIBN.

结果表明，随聚乙烯醇分子量的增加，非离子表面活性剂的电导率显著增加、表面张力由36.28 mN/m降低至31.30 mN/m、浊点由39.6 ℃增加至58.9 ℃，对丙烯酸丁酯、甲基丙烯酸甲酯和甲基丙烯酸丁酯的乳化能力均优于常用乳化剂OP-10，以AIBN作引发剂在70 ℃下既能均聚又可与丙烯酸酯进行共聚反应。

Effects of surfactant Tween 80 and Tween 60 on the secretion of extracellular polysaccharide have been compared in the fermentation of mycelia of Coprinus Comatus.

比较了两种表面活性剂Tween 80和Tween 60对毛头鬼伞菌丝体培养过程中胞外多糖释放的影响。

The results of magnesium and calcium ions tolerance test indicated that the modified SPS, synthesized from the above two methods,has good chelation with magnesium and calcium ions for the crablike carboxyl and ester group and increase the reaction weight with magnesium and calcium ions for addition of hydrophilic group.Both of the two modified petroleum sulfonates could produce ultra-low interfacial tension at calcium and magnesium ions concentration lower than 600 mg/L,whereas the general petroleum sulfonates could only produce ultra-low value below 300 mg/L.

耐钙镁离子能力测试结果，以大庆炼化公司两种渣油为原料，采用上述两种合成方法制备的改性石油磺酸钠，由于产物中引入蟹爪状羧酯基，对钙镁离子有较强的螯合作用，同时增加了亲水基，增大了表面活性剂分子与钙镁离子的反应量，因而在600mg/L的钙镁离子溶液中获得10-3级的超低界面张力；而普通石油磺酸钠仅能在300mg/L的钙镁离子溶液中获得超低界面张力。

Our cleansing agent, Decyl polyglucose, is non-invasive, gentle, and extremely biodegradable

所含温和表面活性剂无刺激性，作用温和，可完全生物分解

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。