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surfactant solution     
相关语句
  表面活性剂溶液
     When the mass ratio of surfactant solution (S+A) to fenvalerate solution (O+A) was 4∶1, the microstructure changed from W/O structure through bicontinuous structure to O/W structure.
     当含有质量分数为10%正构醇的表面活性剂溶液(S+A)与含有质量分数为10%正构醇的氰戊菊酯(O+A)质量比为4∶1时,微乳液转变经历了由W/O到双连续最后到O/W型;
短句来源
     The experiment on purification of black smoke from coal-fired ceramic kilns using surfactant solution was carried out,and results showed that under the condition of inlet dust-contained concentration of 800~1500mg/m3,gas velocity of 13~15m/s and liquid height of 30mm,the efficiency of dedusting was over 95%.
     利用一种自配的表面活性剂溶液进行了吸收燃煤陶瓷窑炉黑烟的试验研究。 试验结果表明:当入口含尘浓度为800 ̄1500mg/m3,气流速度为13 ̄15m/s时,液位高度为30mm时,除尘效率达到95%以上。
短句来源
     Advance on the Study of Dynamic Surface Tension and Adsorption Kinetics of Surfactant Solution
     表面活性剂溶液动态表面张力及吸附动力学研究
短句来源
     The solubilization value of benzyl alcohol in 0.05 mol/L surfactant solution is 0.89 mol/mol, and benzyl alcohol is mainly solubilized at the "fence" of the surfactant micelles by test of 'H NMR.
     0.05mol/L的表面活性剂溶液对苯甲醇增溶量是:0.89mol/mol,核磁共振谱证明苯甲醇主要被增溶在表面活性剂胶束中的栅栏处;
短句来源
     Measurement of Critical Micelle Concentration for Surfactant Solution by the Drop-Volume Method
     滴体积法测定表面活性剂溶液临界胶束浓度的新方法
短句来源
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  表面活性剂
     The lowest surface tension of the surfactant solution is 30.6mN/m. C20 is 5 10-5mol/L, CMC is 6.3 10-4mol/L, those show high surface activity;
     该表面活性剂水溶液的最低表面张力为30.6mN/m,表面张力效率C_(20)为5×10~(-5)mol/L,临界胶束浓度(CMC)为6.3×10~(-4)mol/L,说明具有较高的表面活性;
短句来源
     When the mass ratio of surfactant solution (S+A) to fenvalerate solution (O+A) was 4∶1, the microstructure changed from W/O structure through bicontinuous structure to O/W structure.
     当含有质量分数为10%正构醇的表面活性剂溶液(S+A)与含有质量分数为10%正构醇的氰戊菊酯(O+A)质量比为4∶1时,微乳液转变经历了由W/O到双连续最后到O/W型;
短句来源
     VISCOSITY CHARACTERISTIC OF MIXED POLYMER/SURFACTANT SOLUTION
     聚合物/表面活性剂混合溶液粘度特性
短句来源
     The results show that the method using ultraviolet spectrophotometer with 617 nm wavelength is quick and exact in measuring the concentration of cationic surfactant solution. A regression equation was obtained as y=0.002 7x-0.005 8 with (R~2=0.999 1).
     结果表明,用紫外分光光度法检测阳离子表面活性剂浓度快速准确,确定617nm为测定波长,线性回归方程为y=0 0027x-0 0058,R2=0 9991;
短句来源
     The experiment on purification of black smoke from coal-fired ceramic kilns using surfactant solution was carried out,and results showed that under the condition of inlet dust-contained concentration of 800~1500mg/m3,gas velocity of 13~15m/s and liquid height of 30mm,the efficiency of dedusting was over 95%.
     利用一种自配的表面活性剂溶液进行了吸收燃煤陶瓷窑炉黑烟的试验研究。 试验结果表明:当入口含尘浓度为800 ̄1500mg/m3,气流速度为13 ̄15m/s时,液位高度为30mm时,除尘效率达到95%以上。
短句来源
更多       
  表面活性剂水溶液
     The lowest surface tension of the surfactant solution is 30.6mN/m. C20 is 5 10-5mol/L, CMC is 6.3 10-4mol/L, those show high surface activity;
     该表面活性剂水溶液的最低表面张力为30.6mN/m,表面张力效率C_(20)为5×10~(-5)mol/L,临界胶束浓度(CMC)为6.3×10~(-4)mol/L,说明具有较高的表面活性;
短句来源
     Abstract: Using the orthoganal design method, the formulation of winsor Ⅲ middle phase paraffin mi-croemulsions surfactant solution was studied with the optimum double target selection. The optimum surfactant solution contained: sodium dodecyl benzene sulfonate 0. 2% , sodium carbonate 5%,n - pentanol 7% and water 87. 8 %.
     应用正交设计方法,对制备WinsorⅢ双连续型石蜡微乳液的表面活性剂溶液配方进行了双指标最优化搜索,得到最佳的表面活性剂水溶液配方为:十二烷基苯磺酸钠0.2%+碳酸钠5%+正戊醇7%+水87.8%。
短句来源
     Ultrasonic Effect on Surface Tension of Surfactant Solution
     超声波对表面活性剂水溶液表面张力的影响
短句来源
     The method of measuring kinetic surface tension and its change can reflect the changes in wetting function of a surfactant solution on leaf surface.
     利用测定动表面张力及其变化的方法,基本上可以反映表面活性剂水溶液对植物叶面的润湿性能的变化。
短句来源
     TOMOGRAPHIC IMAGING OF AIR-AQUEOUS SURFACTANT SOLUTION TWO-PHASE FLOW
     气体/表面活性剂水溶液两相流流型的断层测量
短句来源
更多       
  活性剂溶液
     When the mass ratio of surfactant solution (S+A) to fenvalerate solution (O+A) was 4∶1, the microstructure changed from W/O structure through bicontinuous structure to O/W structure.
     当含有质量分数为10%正构醇的表面活性剂溶液(S+A)与含有质量分数为10%正构醇的氰戊菊酯(O+A)质量比为4∶1时,微乳液转变经历了由W/O到双连续最后到O/W型;
短句来源
     The experiment on purification of black smoke from coal-fired ceramic kilns using surfactant solution was carried out,and results showed that under the condition of inlet dust-contained concentration of 800~1500mg/m3,gas velocity of 13~15m/s and liquid height of 30mm,the efficiency of dedusting was over 95%.
     利用一种自配的表面活性剂溶液进行了吸收燃煤陶瓷窑炉黑烟的试验研究。 试验结果表明:当入口含尘浓度为800 ̄1500mg/m3,气流速度为13 ̄15m/s时,液位高度为30mm时,除尘效率达到95%以上。
短句来源
     Advance on the Study of Dynamic Surface Tension and Adsorption Kinetics of Surfactant Solution
     表面活性剂溶液动态表面张力及吸附动力学研究
短句来源
     The solubilization value of benzyl alcohol in 0.05 mol/L surfactant solution is 0.89 mol/mol, and benzyl alcohol is mainly solubilized at the "fence" of the surfactant micelles by test of 'H NMR.
     0.05mol/L的表面活性剂溶液对苯甲醇增溶量是:0.89mol/mol,核磁共振谱证明苯甲醇主要被增溶在表面活性剂胶束中的栅栏处;
短句来源
     Measurement of Critical Micelle Concentration for Surfactant Solution by the Drop-Volume Method
     滴体积法测定表面活性剂溶液临界胶束浓度的新方法
短句来源
更多       

 

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      surfactant solution
    A system of the kinetic equations of the material balance for the concentrations of surfactant monomers and micelles in a micellar nonionic surfactant solution was formulated.
          
    The particles of a shape close to ellipsoidal, 25-70 nm in diameter and 2-4 nm high, were observed at the lowest concentration of DNA-surfactant solution on the mica substrate.
          
    The Kinetics of Dewetting of Hydrophobic Surfaces during the Evaporation of Surfactant Solution Drops
          
    System of relaxation equations for materially isolated surfactant solution with spherical and cylindrical micelles
          
    Analytical expressions for the direct and reverse fluxes of molecular aggregates over the first and second potential barriers of the aggregation work in the presence of spherical and cylindrical micelles in non-ionic surfactant solution were derived.
          
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    In this investigation, the surface-chemical properties of the mixed aqueous solutions of n-octyltrimethylammonium bromide (C_8 NMe_3Br) and sodium n-octylsulfate (C_8 SNa) have been studied. Some peculiar properties have been observed: (1) there is a very high surface activity of the mixed surfactants. The cmc of 1:1 (molar ratio) mixture is 7.5×10~(-3) m(cmc of C_8NMe_3Br: 2.6×10~(-1) m). The surface and interfaeial tension of 1:1 mixture are very low—down to ~23 and ~0.2 dyne/cm, whereas those of the single...

    In this investigation, the surface-chemical properties of the mixed aqueous solutions of n-octyltrimethylammonium bromide (C_8 NMe_3Br) and sodium n-octylsulfate (C_8 SNa) have been studied. Some peculiar properties have been observed: (1) there is a very high surface activity of the mixed surfactants. The cmc of 1:1 (molar ratio) mixture is 7.5×10~(-3) m(cmc of C_8NMe_3Br: 2.6×10~(-1) m). The surface and interfaeial tension of 1:1 mixture are very low—down to ~23 and ~0.2 dyne/cm, whereas those of the single ionic surfactant solution (at cmc or above) are ~40 and ~10 dyne/em, respectively; (2) the bubble-life and the drop-life of 1:1 mixture are both much longer than those of the single surfactant solution; (3) the 1:1 mixture has a much better wetting power on paraffin wax than a single ionic surfactant solution; (4) the total surface and interracial adsorptions of the non-1:1 mixture are nearly equal to those of the 1:1 mixture, in most cases the surface and interfacial tensions are very low, and the surface mole-ratio of C_8NMe_3~+ to C_8S~- approaches 1:1; and (5) there is no obvious effect upon the surface and interfacial adsorptions and cmc by adding an inorganic salt (NaBr) to the solution of the mixed surfactants. The Gibbs equation should be written as:-dγ=RTΓ_(Total)d In mC_5NMe_3~+(or C_8S-) rather than the 2RT form as applied in the case of an ionic surfactant. From this equation the minimum average "molecular" area of the surface film of 1:1 mixture has been calculated to be 27~29 ~2, which is much smaller than that of a single ionic surfactant (in general, >40~2), indicating a closer packing of the surfactant ions on the surface.The above mentioned characteristics show that there are strong interactions between cationic and anionic surfactants in the mixed solution. The nature of these interactions is essentially due to the Columbic attractions between the positive and negative charges of the surfactant ions in addition to the hydrophobic interactions between hydrocarbon chains.

    本工作研究了碳氢链较短的溴化辛基三甲铵(简写为C_8NMe_3Br)及辛基硫酸钠(简写为C_8SNa)混合水溶液的一些表面化学性质:在表面及“油-水”界面上的混合吸附、在表面上的气泡寿命和在界面上的液滴寿命以及溶液在石蜡表面上的润湿性能。从这些性质了解正、负离子表面活性剂的相互作用。结果表明:(1)混合表面活性剂有很高的表面活性。1:1C_8NMe_3Br-C_8SNa混合物的临界胶团浓度(cmc)为~7.5×10~(-3)m,远小于单一表面活性剂。在此浓度时,表面张力低达~23达因/厘米;溶液-正庚烷的界面张力更低,达~0.2达因/厘米,亦远低于单一表面活性剂;(2)混合表面活性剂溶液有很高的气泡寿命及液滴寿命,亦即有较大的表面膜及界面膜强度;(3)混合溶液比单一表面活性剂的润湿性能好;(4)不同比例的C_8NMe_3Br-C_8SNa混合溶液的表(界)面总吸附量与1:1混合溶液的相近,当浓度较大时,吸附层中两者比例大多接近1:1,且表(界)面张力亦甚低:(5)与一般离子型表面活性剂的情形完全不同,无机盐对1:1混合溶液的表(界)面张力影响很小。计算吸附量时,Gibbs公式应取1RT形式,而不采用对一般离子...

    本工作研究了碳氢链较短的溴化辛基三甲铵(简写为C_8NMe_3Br)及辛基硫酸钠(简写为C_8SNa)混合水溶液的一些表面化学性质:在表面及“油-水”界面上的混合吸附、在表面上的气泡寿命和在界面上的液滴寿命以及溶液在石蜡表面上的润湿性能。从这些性质了解正、负离子表面活性剂的相互作用。结果表明:(1)混合表面活性剂有很高的表面活性。1:1C_8NMe_3Br-C_8SNa混合物的临界胶团浓度(cmc)为~7.5×10~(-3)m,远小于单一表面活性剂。在此浓度时,表面张力低达~23达因/厘米;溶液-正庚烷的界面张力更低,达~0.2达因/厘米,亦远低于单一表面活性剂;(2)混合表面活性剂溶液有很高的气泡寿命及液滴寿命,亦即有较大的表面膜及界面膜强度;(3)混合溶液比单一表面活性剂的润湿性能好;(4)不同比例的C_8NMe_3Br-C_8SNa混合溶液的表(界)面总吸附量与1:1混合溶液的相近,当浓度较大时,吸附层中两者比例大多接近1:1,且表(界)面张力亦甚低:(5)与一般离子型表面活性剂的情形完全不同,无机盐对1:1混合溶液的表(界)面张力影响很小。计算吸附量时,Gibbs公式应取1RT形式,而不采用对一般离子型表面活性剂适用的2RT形式。由此得出的最小平均“分子”面积为27~29(?)2,表明吸附层中表面活性离子排列紧密,膜凝聚性强。上述结果充分说明正、负离子表面活性剂在水溶液中有强烈的相互作用,其本质主要在于附加的正、负电荷的库仑引力,由此导致正、负离子表面活性剂混合溶液的一系列表面化学特性。

    At a certain HLB value the surface activity, surface adsorption, wettability, foam, emulsion, solubilization and detergency of the binary or ternary mixed solutions of lauryl polyoxyethylenated alcohols with different normal distribution were studied. By Gibbs equation the amounts of saturated surface adsorption and surface pressure were also measured. Experimental results indicate that γcmc, CMC, ∞~(1/2) of the mixed surfactant solutions are nearly the same as the solution of individual components,...

    At a certain HLB value the surface activity, surface adsorption, wettability, foam, emulsion, solubilization and detergency of the binary or ternary mixed solutions of lauryl polyoxyethylenated alcohols with different normal distribution were studied. By Gibbs equation the amounts of saturated surface adsorption and surface pressure were also measured. Experimental results indicate that γcmc, CMC, ∞~(1/2) of the mixed surfactant solutions are nearly the same as the solution of individual components, correspondingly. The orientation of surfactant molecules from a mixed sur1actant solution with a suitable combination on the interracial layer and the formation of mixed micelles from the bulk solution would be enhanced. The mixed lauryl polyoxyethylenated alcohols with medium polyoxyethylenated chain length accompanied with a small quantity of long and short polyoxyethylene chain length in which the distribution of components' being in a wide and homogeneous state will give the product a better emulsibility and detergency.

    本文研究了在一定HLB条件下,通常分布月桂醇聚氧乙烯醚(3~15)的二元及三元混合物溶液的表面活性和表面吸附;考察了不同组合对混合溶液的润湿、泡沫、乳化、增溶及去污等性能的影响。应用Gibbs方程计算表面活性剂混合溶液表面吸附量。结果表明不同乙氧基数分布的月桂醇聚氧乙烯醚混合溶液的性质同单独成分比较接近,适度混合能提高表面层分子排列的紧密度,促进混合胶束的形成。中等乙氧基链AE再混配以长、短乙氧基链、其组合分布宽而均匀,可获得较好的乳化性与洗涤性。

    In this article, a procedure of making a two-dimentional physical model of micro-layered sandstone and the technique of microphotography are presented. The movement of fluids through porous medium can be observed directly with a projector. The technique has provided a rapid, accurate and convenient method for observing the variations of flooding fronts and studying oil displacement mechanism and residual oil distribution intended for enchancement of oil recovery. Emphasis is laid on the characteristics and...

    In this article, a procedure of making a two-dimentional physical model of micro-layered sandstone and the technique of microphotography are presented. The movement of fluids through porous medium can be observed directly with a projector. The technique has provided a rapid, accurate and convenient method for observing the variations of flooding fronts and studying oil displacement mechanism and residual oil distribution intended for enchancement of oil recovery. Emphasis is laid on the characteristics and mechanism of oil displacement by waterflooding, microemulsion and surfactant solutions, on the evaluation of the application of polymer buffer slug in fluid mobility improvement. A trace quantitative determination for a Part of test process has also been conducted,

    本文介绍了两维薄层砂岩物理模型的制作方法和显微摄影技术,该模型通过投影仪能够用来直接观测流体在孔隙中的运动。这项技术提供了一种快速、准确、简便的观察水驱前缘变化过程,研究驱油机理、剩余油分布规律和提高采收率的实验方法。文章主要阐明了水驱、微乳液和活性剂水溶液的驱油过程特征和驱油机理,并对聚合物缓冲段塞改善流动状况作出了评价。还进行了部分试验过程的微量定量测定。

     
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