表面

According to the electric field integral equation of the surface, the recursive solution for the induced current on the slight rough surface is derived using the perturbation expansion of the surface, and the method for computing the interaction field is given.

根据粗糙表面电流积分方程并利用表面微扰展开，得到了微粗糙面表面极化电流的迭代解，给出了耦合电场的计算方法。

The results showed that the copolymer possesses good thickening property, and the performance of decreasing the interfacial tension between oil and water.

由于高分子表面活性剂具有高分子的增稠性和低分子表面活性剂的表面活性，在三次采油中具有广泛的应用。

Catalyst activity was determined by not only specific surface area of catalyst but also the distributions of active center and utilization ratio of internal surface.

实验结果表明：催化剂活性比为不同催化剂单位质量表面上活性中心的总数目N总值的比值；催化剂活性不仅与比表面有关，还与其活性中心分布情况、内表面利用率有关。

In this study, six surfactants with different ionic type, molecular structure, and phenanthrene (3-rings PAHs) were used to test the effects of surfactant to the degradation of phenanthrene, and to the combined toxicity with the phenanthrene.

本篇论文以六种不同离子类型、分子结构的表面活性剂和以菲为多环芳烃的代表，研究了表面活性剂对菲降解的影响，和与菲共存时的复合毒性，以及表面活性剂对菲在模拟生态系统中的迁移转化规律的影响。

With X ray photoelectron spectroscopy technique, surface chemistry and adsorption mechanism of iron oxide minerals from the laterite developed on carbonate rock have been studied.

氧化铁矿物表面的XPS分析表明，矿物表面和整体之间在化学成分、状态和结构等方面存在明显差异，矿物表面的这种非均匀性特征是其表面化学反应的重要动力学起因。

The synthesis methods of amphoteric surfactants , their application to lavation cosmetic, and the merits and defects were systematic introduced.

系统介绍了两性表面活性剂在洗涤化妆品中的合成，应用，以及各自的优缺点，对开辟或拓宽两性表面活性剂的应用及研究和实际生产中选择何种两性表面活性剂提供了参

The results show that the contact angle, the average ratio of swelling, the surface hydroxyl and the oxy group of the MACR are all raised, the structure of MACR modified asphalt is more uniform and compact, which greatly improves the performance of modified asphalt.

结果表明：活化后胶粉表面接触角、平衡溶胀率、表面羟基含量、含氧基团均增加，使得胶粉表面活性大大加强，活化胶粉改性沥青的结构更加均匀和致密，因而性能更优越。

There is a proportional relationship between the amount of magnetite nanoparticles added and solution pH buffer capacity.

运用MEDUSA和WINSGW计算软件计算了表面组分在溶液中的分布，并讨论了表面电荷对表面组分分布的影响。

A significantly high precision with a root mean square deviation of 1.67℃ has been achieved by the approach introduced in this paper,which shows the advantages of synthetically utilizing multi-satellite data.

由于陆地表面远比海洋表面复杂，陆地表面温度反演一直是热红外遥感研究中的一大难题。

The results show that the surface microphotograph yielded in multiple-step machining with slow feeding and in one-step compound process is satisfactory, and there are fewer defects, lower deformation and thinner metamorphic layers; while that produced in other processes is quite rough, there are more defects and bigger deformation on the machined surface, and they are detrimental to assembly properties and fatigue life of fastening holes.

结果表明，钻扩铰多步慢进给工艺和一步复合制孔工艺所加工出的表面，平整、光滑、加工缺陷少、晶格变形小、变质层薄；而其它工艺条件下，孔表面微观形貌复杂、加工纹路紊乱、表面缺陷多、晶格畸变大，变质层厚，这些加工状况，对紧固孔的装配性能和疲劳寿命都有很大的影响。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。