表面活性剂的

In this paper,the drag-reducing surfactant solution flows in a fully developed turbulent channel flow have been analyzed experimentally using Phase Doppler Anemometry and thermocouples in order to study the temperature fluctuations and heat transfer characteristics on the drag-reducing and heat transfer reduction phenomena of the surfactant solution flows.

该文针对在水中添加阳离子表面活性剂产生的减阻作用同时降低传热性能的现象，应用相位多普勒激光测量系统和热电偶温度测量系统对二维流道内表面活性剂减阻流体热边界层内的湍流温度脉动以及传热特性进行了实验研究。

The authors , through research of the wettability of surfactants on coal dust , putout a dustfall agent with good performanc discussed the influence of inorganicelectrolytes and temperature on the wettability of surfactants .

本文通过研究表面活性剂对煤尘的润湿性，提出了性能优良的降尘剂；并讨论了无机电解质及温度对表面活性剂润湿能力的影响。

It could be suggested that the glyceride biosurfactant was produced by C. antarctica at early stage for cell adapting the hydrophobic environment., and the alkane would be emulsified with the biosurfactant and made easy to be attached and up taken by cell.

由此可以推测，C.antarctica在正构烷烃中产生生物表面活性剂是在发酵前期，可能是菌体为了适应不良的生存环境而产生生物表面活性剂以乳化烷烃，增加与烷烃的接触能力，最终达到利用烷烃的目的。

The kinetics of hexachloroethane dissolution into surfactant solution was studied and a mathematical model describing the mass transfer process was developed.

为了解表面活性剂溶液对憎水性污染物增溶过程的影响因素，研究六氯乙烷在Tween20溶液中的增溶动力学过程，建立了六氯乙烷在表面活性剂溶液中增溶的传质模型。

The influence of various factors on the efficiency of separation on ammonia nitrogen was investigated, including the surfactant dosage, the value of pH in the external phase, the concentration of sulfuric acid in the internal phase, the ratio between the volume of oil phase and the volume of water phase and so on.

用ME表面活性剂制作的乳液萃取冶金废水中的氨氮，考察了表面活性剂用量、外相水pH值、膜内相硫酸浓度、油内比、乳水比等因素对氨氮去除率的影响。

Esoporous Al MSU X aluminosilicates have been prepared through a two step route using preformed zeolite like nanoclusters and TX 100 as the inorganic source and mesostructure directing agent respectively, and characterized by XRD, HRTEM, N 2 adsorption desorption isotherm, 27Al MAS NMR, NH 3 TPD and so on.

SU X介孔材料是具有三维"wormhole like"孔道特征，且它采用廉价、无毒和可降解的非离子表面活性剂于弱酸性或中性介质中合成的，与使用季铵盐阳离子表面活性剂为模板剂的其它介孔材料相比，无论在合成过程或应用方面都有诸多优势[1 ，2 ] 。

The carbon foam were prepared by self-bubbling at high pressure from AR pitch added sodium dodecyl benzene sulfonate and Span-40, respectively. The bulk density, pore rate, compressive strength, thermal conductivity at room temperature and crystallitic parameters of carbon foam were measured. The rheological properties of AR pitch and pore structure of carbon foam were investigated.

以十二烷基苯磺酸钠和Span-40表面活性剂为添加剂，AR沥青为原料，制备炭素泡沫材料，测定了材料的体积密度、显气孔率、压缩强度、常温热导率以及微晶结构参数，研究了添加表面活性剂后AR沥青的流变性能和炭素泡沫材料孔胞结构的变化。

To study the relationship between the "tail" structure and the characteristics of Gemini surfactants, a new gemini surfactant CH(subscript 2s)-αω-Bis (dehydroabietyihydroxypropyltetramethylethyldiammonium Chloride) here s=2, has been synthesized. Dehydrogenated rosin as hydrophobic "tails" in the structure. The affections of reacttants ratio, reaction temperature and time on the yield of aimed compound have been discussed.

研究了Gemini表面活性剂中疏水&尾巴&结构对性质的影响，以脱氢松香酸和环氧氯丙烷为原料合成了中间体3-脱氢松香酰氧－2-羟丙基氯，再与四甲基乙二胺反应，得到1种以脱氢松香酰基为疏水链&尾巴&的对称Gemini型双季铵盐阳离子表面活性剂：二氯化－N，N'-二（3-脱氢松香酰氧－2-羟丙基）四甲基乙二胺。

To study the relationship between the hydrophobic "tail" structure and thecharacterizations of Gemini surfactants, a new gemini surfactant CsH2s-α,ω-bis(dehydroabietylhydroxypropylteteramethylethylammonium Chloride),here s=2, wassynthesized. Dehydrogenated rosin as hydrophobic "tails" in the structure. The impact factorsin the two steps are discussed.

为研究gemini表面活性剂中疏水&尾巴&结构对性质的影响，本论文以脱氢松香酸和环氧氯丙烷为原料合成了中间体3-脱氢松香酰氧-2-羟丙基氯，再与四甲基乙二胺反应，得到一种以脱氢松香酰基为疏水链&尾巴&的对称gemini型双季铵盐阳离子表面活性剂：二氯化-N，N′-二(3-脱氢松香酰氧-2-羟丙基)四甲基乙二胺。

The influence of surfactant on the properties of electroplated Ni-SiC composite coating was studied by means of electron probe microanalysis, electrochemical analysis, and friction and wear test.

表面活性剂能改善复合镀层的性能，过去对离子型和非离子型表面活性剂影响复合镀层性能的研究报道不多。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。