界面张力

In this paper,the dynamic interfacial tensions of different surfactants were investigated in their own field or other field.

因此，研究三次采油用表面活性剂和聚合物的动态界面张力具有重要的理论意义和实践意义。

See As The Interracial Tension Blows Up In Her Face!

所认为的界面张力击了她的脸！

The calculated results show that there is an obvious difference between the interfacial tension of the bulk liquid nitrogen and that of the adsorbed liquid nitrogen film on most of nonporous so.

根据表面热力学原理，本文导出从无孔固体吸附氮气的等温线计算其表面上吸附生成的液氮膜界面张力方程式；还导出计算固体中圆筒形间隙孔径方程式。

Both the experimental results and theoretical analyses indicate that the remelting and breakup of the primary dendrites are induced by the chemical superheating of solid during recalescence rather than by the solid-liquid interface tension.

4实验结果和理论分析说明，初始枝晶组织的重熔瓦解是体系再辉过程中固相的化学过热引起的，固液界面张力作用下的重熔对组织形态的影响相对较小。

The chemical superheating in solid during recalescence has a more important effect on the remelting and coarsing of secondary arms than the solid-liquid interface tension.

再辉过程中固相化学过热对二次分枝重熔粗化的影响也远大于同期固液界面张力的影响。

The system of phase equilibrium data of the Fe-Cu base alloy is established relatively, the spinodal decomposition range of the Fe-Cu base alloy is calculated utilizing Thermo-Calc software, The composition range of the spinodal decomposition of the Fe-Cu base alloy is prognosticated with more accuracy; The self-formed mechanism of egg-type microstructure of the Fe-Cu base alloy with spinodal decomposition in the liquid-phase region under gravity conditions is theoretically investigated. Based on the analysis and calculation of interfacial tensile stress induced by the temperature gradient in the process of solidification, the theoretical results interpret preferably the self-formed mechanism of egg-type microstructure of the Fe-Cu base alloy through the analyzing of force states of metallic droplet in the rapid solidification.

建立了较为完整的铁铜基合金系的相平衡数据体系，利用Thermo-Calc软件对铁铜基合金系的液相调幅分解成分范围进行了计算，较准确地对铁铜基合金系的液相调幅分解成分范围进行了预测；从理论上对液相调幅分解型铁铜合金卵型结构的形成机理进行了研究，基于凝固过程中由温度梯度所导致的界面张力的分析与计算，通过考察快速凝固过程中金属液滴受力情况，较好地解释了液相调幅分解型铁铜合金卵型结构的自形成机理。

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。

The spinning drop method was selected as the determination routine of liquid- liquid interfacial tension. A new spinning drop tensiometer was constructed for the first time in our country.

用一些小分子系统和PEG4000／DEX40000双水相系统的界面张力文献值对仪器作了标定，结果表明仪器有较高的准确度，误差约为3％。

The main products are: electronic balance, electronic micro balance, particle size analyzer, full automatic surface tensiometer, automatic surface tensiometer, viscometer, high- and low-temperature thermostatic bath, etc.

主要生产经营产品有：胶体与表面化学测量仪器（表面张力仪、界面张力仪）电子天平、粒度分析仪、全自动表面张力仪、自动表面张力仪、粘度计、高低温恒温槽等产品！

Insure the viscousity increase strain of slag surface, and it can able to avoid adhibit slags, and reduce curdle temperature, increase heat stream, and reduce carbon con-tent as possible.

针对性的确定保护渣的粘度，提高渣、金界面张力，可有效防止粘渣，另外害必须降低保护渣的凝固温度、适当的增加热流、尽量减少自由碳的配入量。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。