表面张力

At the molecular level,the surface tension involves macroscopic conduction of the molecular interactive force.

由于表面张力和比表面自由能在应用过程中的界限有时不十分清楚，有些学者认为两者有重复的可能性，甚至有的学者主张只用比表面自由能，舍弃表面张力[1 ] 。

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。

Based on the experiment, a prediction method of surface tension was provided in this paper.

本文在这种情况下，在国内首次系统的开展了激光散射法测量液体表面张力的理论和实验研究工作，搭建了实验系统，并利用该系统对一些清洁汽车替代燃料的表面张力进行实验研究。

The result of surface tension obtained is in agreement with the experimental data.

表面张力计算结果与实验值很好的吻合，证明Lennead-Jones势对球形原子的相互作用作了很好的描述，在表面张力计算中可以忽略去截断效应。

Surface tension small polyalkene of printer materials and surface tension large polyalkene of printer materials, the adoption of a business card printing and membership card when making ink for surface treatment, the former to select a small viscosimetry envirogluvtm, which on the contrary.

表面张力小的聚烯烃承印材料与表面张力大的聚烯烃承印材料，在采用制卡和会员卡制作油墨时，需进行表面处理外，一般前者要选择粘度小的油墨，而后者则相反。

The determination of surface tension and surface tension components of porous particle with sub-pores by wicking technique was studied.

研究了用薄层毛细渗透技术测定多孔性颗粒的表面张力和表面张力成分。

Results of test showed that DFA-PEG polyester and its derivant had excellentemulsification performance, and emulsion was exquisite and steady, the surfacetension and critical micelle concentration of DFA-PEG polyester and sulfatedDFA-PEG polyester were very low, DFA-PEG polyester terminated with rosin acid hadcertain antifoaming performance, but surface tension and CMC increase to extent.

性能测试表明，DFA-PEG聚酯及其两种衍生物均具有优良的乳化性能，乳液细腻且稳定；DFA-PEG聚酯及其硫酸酯盐水溶液的表面张力和临界胶束浓度较低：DFA-PEG聚酯松香酸酯还具有一定的抑泡性能，与DFA-PEG聚酯及其硫酸酯盐比，其水溶液表面张力和临界胶束浓度有所增加。

Chapter four. Two glucosamide-based trisiloxane Gemini surfactants which were connected with the short carbon chain dialcohol diglycidyl ether spacer were synthesized and their properties were determined. These compounds were structurally characterized by their 1H and 13C NMR spectra and elemental analysis.

界面性能通过K12表面张力仪测定，在临界聚集浓度CAC为1一3、10一5时可以显著地降低水的表面张力值至约21 mN/m，比连接基为低碳链二缩水甘油醚的略低，其CAC值随着乙氧基数的增加而增加，其CAC值比相应的单体低1~2个数量级，而且有两个CAC值。

The role of surface treatment is to improve the film surface tension so that it is greater than the ink to the surface tension of the ink and the correct filmogen.

表面处理的作用是提高薄膜的表面张力，使其大于油墨的表面张力，从而达到油墨和薄膜材料的正确结合。

By virtue of Micro Focus High Speed Photography technique and digital image processing technique, the gravitation, electromagnetic force and the maintaining force rooted in the surface tension of the little guttate metal in droplet forming process were analyzed and calculated quantificationally.

通过微距高速摄像技术和数字图像处理技术对熔滴成形过程中小滴状熔液所受的重力、电磁力以及表面张力提供的支持力进行了分析和定量计算，认为表面张力所提供的支持力远大于电磁力和重力共同导致的促使小滴状熔液下落的力。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。