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In this paper,the drag-reducing surfactant solution flows in a fully developed turbulent channel flow have been analyzed experimentally using Phase Doppler Anemometry and thermocouples in order to study the temperature fluctuations and heat transfer characteristics on the drag-reducing and heat transfer reduction phenomena of the surfactant solution flows.

该文针对在水中添加阳离子表面活性剂产生的减阻作用同时降低传热性能的现象，应用相位多普勒激光测量系统和热电偶温度测量系统对二维流道内表面活性剂减阻流体热边界层内的湍流温度脉动以及传热特性进行了实验研究。

Both static and dynamic contact angle of water droplet on the PDMS replicas' surface were measured.

所谓超疏水表面即水的表观接触角大于150°的表面，它在工农业生产和日常生活

A contact angle of water on the film is in a range of 5 to 30 DEG , and an average surface roughness of the film is 5 nm or less.

水在薄膜表面上的接触角在5-30°范围内，薄膜的平均表面糙度为5nm或以下。

The effect of O2 plasma pretreatment on surface free energy of PS was investigated by means of contact angle and surface free energy measurements.

通过接触角及表面自由能分析，探讨了O2等离子体预处理条件对PS表面自由能的影响，确定了预处理的最佳条件。

E. exserta has smaller contact angle and better wettability than that of E.citriodor, for instance, the contact angle of E.

窿缘桉比柠檬桉具有更小的表面接触角和更好的表面润湿性能。

A study on laser triangulation probe has been carried out which include the correction for nonlinear error, the influence of color, roughness and inclination angle of the surface on measured value, etc.

主要包括激光测头的非线性修正，被测表面颜色和光泽对测量结果的影响，被测表面倾斜对测量结果的影响以及基于BP神经网的倾斜误差补偿方法。

The surface analysis results indicated by FTIR show that the RCO3Li obviously in the SEIof the carbon electrode with the introduction of a trace of anisole, after the first intercalation of Li＋ into the carbon electrode.

用FTIR对首次离子嵌入过程结束后的石墨电极表面SEI进行组成分析，发现加入苯甲醚后，电极表面SEI中的RCO3Li含量明显减少，但Li2CO3基本不变，并发现有新的产物CH3OLi生成。

The anisotropism of self-cleaning on wing surface can also be showed by the water droplet sliding angle values determined by the above two methods.

对去鳞片翅表面水滴滚动角的测量结果，证明了鳞片在蝴蝶翅表面的自清洁性上起到重要作用。

In addition, the surface roughness of aluminum substrate has a remarked influence on cracking of anodic films.

此外铝合金基体的粗糙度对其表面氧化膜中的裂纹有很大影响，较为粗糙的表面，裂纹也较少。

Anodize exposed aluminum surfaces for corrosion resistance.

铝表面要经过防腐的表面氧化处理。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。