查询词典 interfacial tension

Surface tensions and interfacial tensions were measured by the method of stationary rings, and the critical micelle concentrations were measured by the methods of conductance and surface tension.

运用红外光谱和核磁共振等手段对所得表面活性剂的结构进行了表征，并对其表面张力、界面张力及其临界胶束浓度等性能进行了定量测定；结果表明，所得阳离子型含氟表面活性剂具有极低的表面张力：17.8、22.9、23.8、21.5、25。

When the sample was subjected to high temperature for a long time before test, its co-continuous structure would be easily coarsened and disintegrated under the driving of interfacial tension.

试样在测试前长时间处于高温熔体状态时，其共连续结构很容易在界面张力的驱动下发生粗化和破碎，所以得到的共连续反而变窄。

In the H〓SO〓 system, the interfacial tension decreased much lower in three diluents compared with that of HNO〓 and HCl system.

在硫酸水溶液中，BODMAC在三种稀释剂中的界面张力最低；而对于盐酸和硝酸体系，不同稀释剂中，BODMAC的界面张力降低的情况不同。

The results show that glycerol, as surfactant, with a concentration of I % can alternate the interfacial tension between water and oil to some extent; thusly, the conglomeration problem can be inhibited during the microencapsulation process. Meanwhile, by controlling the reaction rate of condensation polymerization and adjusting the pH of the system, the floccules can be restrained effectively, and microcapsules with smooth surfaces are obtained. Finally, the addition of NH4Cl may result in properly strengthened microcapsules to resist the collapse during nature drying.

结果表明：采用质量分数为1%甘油做表面活性剂，可适当调节油／水界面张力，抑制微胶囊化过程中的黏结团聚；通过调节体系pH值，控制缩聚反应速率，可有效抑制水相中絮状树脂的产生，得到表面光滑的微胶囊；采用氯化铵作固化剂对微胶囊进行固化，可有效提高微胶囊的机械强度，得到在自然干燥后不破裂的微胶囊。

Butyric acid,phenol,indol and polycyclic aromatic hydrocarbons are inferredin the solution phase of leachate by GC,and 53% of organic acids,18% of alcohol andphenols,and 7% of alkanes are detected in leachate by GC-MS.The colloidal structure oflandfill leachate is analyzed by determination ofξ-potential and the interfacial tension,whichprovide the basis to pretreatment by the coagulation and treatment by advanced oxidation.

首先测定了垃圾渗滤液的常规水质因子及污染物含量，并采用GC及GC-MS技术对垃圾渗滤液有机相的微观结构进行了分析，由GC谱图解析推断渗滤液的溶液相中含有丁酸或辛酸、苯酚、吲哚及多环芳烃等有机物；由GC-MS解析可知其有机物主要为有机酸，约占53％，其次醇及酚类约占18％，烷烃约占7％。

The steady model is able to predict the start and the end points of the phase inversion, although the model parameters have no distinct physical meanings. The factors, such as agitation strength, density, viscosity, interfacial surface tension, grafting efficiency and volume fraction etc., have been considered in the dynamic model, which can predict the start point of phase inversion successfully.

稳态模型的参数虽然没有明确的物理意义，但却能给出相转变过程的起点和终点；动态模型则从液液分散理论出发，综合考虑搅拌强度、体系粘度和密度、界面张力、接枝效率及相体积分率等因素的影响，能很好的预测相转变的起点，略加改进后该模型可以用于相转变的全过程模拟。

The physicochemical properties of surfactin generated from a bacillus subtilis strain ZW-3,such as critical micella concentration value,the emulsification value,stability to salinity and temperature,ability to reduce the interfacial tension were measured in Daqing Oilfield.

对从大庆油田分离到的一株枯草芽孢杆菌ZW-3代谢的脂肽生物表面活性剂的理化性质(CMC值、乳化活性、对温度、矿化度的稳定性、降低油水界面张力能力)进行了测定，同时进行了物理模拟实验。

The effect of solution supersaturation, nonideality and interfacial tension on homogeneous nucleation rate in the rapid expansion of supercritical solution of griseofulvin was investigated.

研究了灰黄霉素超临界溶液快速膨胀过程中的过饱和度、溶液的非理想性以及表面张力等因素对均相成核速率的影响。

Thirdly, by con-utilaziont of many methods such as exploitation and geology, dynamic producing process monitoring, water invasion behavior, core analyis and numerical simulation, 10 kinds of reservoir scale remaining oil distribution pattern in the steam huff and puff super heavy crude oil reservoir was put forward. Also, remainling oil distribution in the sand bed scale and sublayer scale were pointed out.Fourthly, Microcosmic displacement experiment was conducted for hot water driving in 100℃and 120℃. and steam drive at 170℃condition. Microcosmic remaining oil distribution characteristics were summarized. Remaining oil microcosmic distribution by steam drive at 170℃is different from that at 100℃, 120℃hot water driving. After the steam drive, there are three types of remaining oil distribute regular pattern, whic is impacted by many affecting factors like pore configuration, wettability and interfacial tension.

分析了砂层组规模和小层规模的纵向和平面剩余油分布规律。4、通过微观驱替实验，研究了100℃和120℃的热水驱及170℃蒸汽驱条件下剩余油的微观分布形态。170℃条件下剩余油微观分布形态同时受孔隙结构、润湿性及界面张力多种因素的影响，主要有三种形式：在油、汽、水三相共存的孔隙中，剩余油分布于汽、水之间，为薄膜状和弯月状；在只有油、汽两相共存的孔隙中，大孔道中主要是蒸汽，剩余油在细小的孔喉和孔隙角隅处以段塞或不规则状态存在；由于高温水蒸汽对原油具有萃取作用，剩余油以一种细小的珠滴状存在于孔隙表面。

The change of the position of the benzene ring has little effect on γ cmc-The interfacial tension behavior of this series of alkylbenzenesulfonates with carbon number 14,16,18 was investigated in alkane/aqueous system, it is found that alkylbenzenesulfonates of 16 total alkyl carbon number is the best.

通过对单烷基苯磺酸盐和二烷基苯磺酸盐的降低界面张力能力的比较，结果表明附加基团在一定程度上可以改善烷基苯磺酸盐降低界面张力的能力，而且使达到最低界面张力所需的最佳碱度要小。

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。