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- Results show that 5 critical micelle concentration (CMC) LAS enhanced the transport of PAHs. 实验结果表明 ;5CMC(临界胶束浓度 )LAS促进了土柱中PAHs的迁移渗透 .
- In this study they attempted to predict the critical micelle concentration (CMC). 在研究中,他们尝试着预测临界胶态粒子浓度(CMC)。
- It can reduce surface tension of water to 26 mN/m, and its critical micelle concentration (CMC) was 0.025 mg/mL. 它能使水的表面张力降低到26mN/m;其临界胶束浓度为0.;025mg/mL。
- Their structures were confirmed by IR, and the properties of these surfactants such as acid number, interfacial tension, and critical micelle concentration and so on were studied. 通过红外光谱确定了产物的结构,并对有机硼表面活性剂的酸值、表面张力以及临界胶束浓度等性能进行了研究。
- Surface micelle concentration(smc) of CTMAB in soil-solution system was obviously less than critical micelle concentration(cmc) of CTMAB in solution. CTMAB在土壤-溶液体系的临界表面胶团浓度smc显著小于溶液体系CTMAB的临界胶团浓度cmc。
- SDBS is adsorbed to Ca-bentonite mainly through precipitation interaction. It reaches a maximum at 1.5 Critical Micelle Concentration (CMC). SDBS在Ca基膨润土上的吸附损失机理主要为沉淀作用;损失量在SDBS平衡浓度为1.;5CMC时达到极大值。
- It is also shown that dilational modulus of the two demulsifiers approaches a maximum value near the critical micelle concentration. 在中间频率范围内,扩张模量随破乳剂浓度增大,在接近临界胶束浓度处出现一个极大值;
- The critical micelle concentration (CMC), surface tension, Krafft point and melting point of the product were determined. 测定了产物的临界胶束浓度(CMC)、表面张力、克拉夫点、熔点。
- The surface tension of the aqueous solutions of the amphiphilic copolymer was measured and the critical micelle concentration(CMC) was calculated to b. 将两亲式共聚物溶于水中,形成胶团,改变反应条件可以得到不同尺寸的纳米胶团。
- Non-ionic surfactants are more desirable because they possess lower critical micelle concentration (CMC) and are not liable to flocculate clay particles in the soil. 且因界面活性剂的微胞结构,会增加有机物在水中的溶解能力或产生乳化现象,有助于有机物的移除。
- The critical micelle concentration (CMC) of aqueous C_8-lecithin solutions wasmeasured as a function of temperature, salt type and concentration by laser lightscattering. 用激光散射测量确定C_8-卵磷脂临界胶团浓度及其随温度、盐离子的变化。
- The critical micelle concentration (CMC) of three kinds of polyoxyethylene-polyoxypro-pylene block copolymer-L64, AE21, AP221 has been measured by surface tension and ben-zopurpurine uptake. 本实验采用表面张力法,苯红紫可见光吸收法测定L64,AE32,AP221等三种不同结构的聚氧乙烯-聚氧丙烯嵌段共聚物的临界胶束形成浓度CMC,发现L64与AE32在低浓度下形成单分子胶束,在高浓度下形成聚集胶束。
- The results show that the apparent sorption coefficients (Kd*) of naphthalene increase rapidly with increase of the amount of MPB added, when MPB equilibrium concentration (X) is less than 1CMC (one time of critical micelle concentration). 结果表明,当MPB的平衡浓度(X)小于1倍临界胶束浓度(CMC)时,萘的表观分配系数(Kd*)随MPB加入量的增大而急剧增大;
- The results showed that at and below the critical micelle concentration(CMC)of SDBS,2?4-D adsorption in soil was increased,while above the CMC,2?4-D adsorption was significantly reduced. 结果表明 :在SDBS小于其临界胶束浓度 (CMC)时 ,2 4 D的吸附量增加 ;
- The results showed that they had excellent surface activity, and the values of critical micelle concentration (CMC) and LCST changed with the increase of molecular weight of BzO-PDMAEMA and pH of solution. 结果发现BzO-PDMAEMA在水溶液中具有明显的表面活性,临界胶束浓度(CMC)值随着聚合物的分子量、溶液的pH值的变化而变化;
- Measurement on surface tension and Critical Micelle Concentration(CMC) show that this type surfactant has good surface activity, its surface tension and CMC reach 36.5mN/m, 4.04x10~5g/mL respectively. 表面张力及临界胶束浓度的测定结果表明该类表面活性剂具有良好的表面活性,其表面张力可降至36.;5mN/m,临界胶束浓度可达4
- The value CAC/CMC, ratio of the critical aggregation concentration (CAC) to the critical micelle concentration (CMC), decreases with the increase of the chain length and the interaction strength between the polymer chain and surfactant. 临界聚集浓度(CAC)与临界胶束浓度(CMC)的比值CAC/CMC随高分子链长的增大和相互吸引作用的增强而减小.
- The values of critical micelle concentration (CMC) decrease and the micelle ionization degree (a) increase when the the number of carbon (S) of the spacer increase for C12CsC12Br2 sieries Gemini surfactants. 对于Gemini表面活性剂C_(12)C_sC_(12)Br_2来说,随着联接基团spacer碳原子个数的增加,临界胶束浓度(CMC)变小,胶束离子化度增大。
- The critical micelle concentrations and aggregation numbers of sodium dodecyl sulfates(SDS) mixed with different low molar ratio of cetyltrimethylammonium bromide(CTAB) were tested by pyrene fluorescence probe method. 用芘(Py)荧光探针法测定了添加少量十六烷基三甲基溴化胺(CTAB)后,十二烷基硫酸钠(SDS)的临界胶束浓度(CMC)和胶束聚集数(Nm)。
- Krafft point, critical micells concentration,sarface tension and occupation area of per molecule were determined. 测定了这4种表面活性剂的最低溶解温度、临界胶束浓度、表面张力及分子横截面积。