查询词典 angle of contact

In order to further study the theory of dropwise condensation, the effects of surface topography of material and apparent contact angle on heat transfer in dropwise condensation are investigated in this paper based on the theoretical model of dropwise condensation established by former researchers.

为了从理论上对滴状冷凝进行更深入地研究，本文在实验的基础上对前人关于滴状冷凝的数学模型进行修正，考虑了冷凝表面形貌及表观接触角对滴状冷凝传热的影响。

Finally, in consideration of the interfacial interaction between liquid and solid, a new model for dropwise condensation heat transfer was proposed by using the population balance concept and considering the effect of surface topography and contact angle.

最后，针对液固界面相互作用对滴状冷凝传热的影响，以液滴数平衡概念为基础，考虑表面形貌和表观接触角对冷凝传热的作用，建立了新的滴状冷凝传热模型。

And we also modify the surface of the glass fiber reinforcedunsaturated polyester with the G-02 and G-04. It reacts with the materials surface layer whenthe Composite solidifies. It gets a lower critical surface tension, high contact angle. Theproperty of waterproof and oilproof has improved.

并且利用已有的活性物质(甲基丙烯酸六氟丁酯G-02，甲基丙烯酸十二氟庚酯G-04)处理玻璃纤维增强不饱和聚酯的表面，在基体固化时，实现在材料表层参与固化反应，获得特低临界表面张力、高接触角特性，使处理后的玻璃钢表面具有一定的疏水疏油性能。

In this paper ,move ment pri nci ple of rocket i n direction pi pe was got by dy— namic si mulation ,and effect characteristic consideri ng contact stiffness ,detent force and nozzle thrust misalignment a— bout pitchi ng angle velocity was analysis .All the study set foundationfor further study of high—lowpressure launch sys— te m.

通 过发射仿真分析，获得了火箭弹在高低压发射系统中的内弹道变化规律，分析了火箭弹与定向器的接触刚度、耳轴扭转刚度、尾喷管推力偏心等因素对俯仰角速度的影响特性，所得结论为火箭武器高低压发射系统的进一步相关研究奠定了基础。

The water-contact angle and swellibility of the complex membrane were also studied.The results indicated that the hydrophilicity of the composite membrane increased,and the quaternary ammonium made the membrane sensive with PH.

结果表明，磷酰胆碱改性超支化聚酯具有一定的抗凝血性，抗凝血性基本随着磷酰胆碱结构含量的增加而提高，与磷酰胆碱结构在复合膜中的绝对含量相比，羟基的转化率对血液相容性的影响更大。

Three main factors (viz. surface potential, particle size and surface wettability) that influence the interparticle interaction between titanaugite and ilmenite particles were investigated in detail through the calculation of DLVO theory, measurements of electrokinetic potential and contact angle, experiments of floatation and characterization of scanning electron microscope.

通过DLVO理论计算、动电位、接触角和扫描电镜检测及浮选试验，研究影响钛辉石和钛铁矿颗粒间相互作用的3个主要因素，即表面电性、颗粒粒径和表面润湿性。

The physico-mathematical model was established by considering the variation of the apparent contact angle to describe the configuration of the total extended thin film region,including the equilibrium region,the interline region and the meniscus region.In addition,the ratio of disjoining pressure and capillary pressure was introduced to distinguish the film ranges of the different regions by considering the influence of film configuration,liquid property and channel size.

借助表观接触角的演化，建立起包含固有弯月面、过渡薄液膜和平衡区三部分的延展薄液膜形状及其表面蒸发的物理数学模型，并考虑液膜的结构、工质物性和通道特征尺度，引入分离压力和毛细压力比确定液膜不同区域的范围。

Our experimental measurements reified this new theoretical model of describing the capillary filling behavior. The dynamic contact angle depends on Oh and f Re, the capillary filling distance scales with the square of capillary filling time.

依据描述该现象的理论关系式，发现方型微流道内表面张力流毛细填充现象与动态接触角α、欧氏数Oh与无因次化参数f Re有关，藉由实验量测的方式，发现动态接触角为欧氏数Oh及f Re值的函数。

On the basis of powder contact angle measurement,the surface free energy of active carbon and acetylene black before and after oxidized by nitric acid or reduced by hydrazine was estimated by means of Wu formula.

在粉末接触角测试的基础上，用Wu方程估算了硝酸氧化或肼还原前后，活性炭和乙炔黑的表面自由能。

By water contact angle meter, photocatalytic ability of several kinds or crystal form of TiO2 has been compared. In addition, OH and OH~ have been proved to be in existence on coating surface by FTIR.

通过接触角仪比较了不同晶型和不同型号的纳米TiO_2以及颜料级TiO_2光催化能力的差别，并利用红外光谱证实在纳米级光催化涂料的表面产生了具有很强光催化作用的氢氧自由基。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。