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wetting angle
    The wetting angle and anti shear strength of rapid solidified Al-Si-Cu-Zn-Re powders are improved 2.5 and 28%.
    与普通钎料相比,快凝Al-Si-Cu-Zn-Re粉末钎料润湿角提高了2.5,抗剪强度提高了28%。
    Obtaining of Young Equation by Principle of Energy and Establishment of Wetting Angle Model
    杨氏方程的能量求解法及润湿角计算模型
    Make use of dripping experiment to test the wetting angle of materials undergoing surface treatments, which is 32° .
    利用水滴实验法测得经过表面处理后,其润湿角θ为32°。
    The melt infiltration can be taken spontaneously when the wetting angle is below 90°, but it needs outer pressure when the wetting angle is above 90°.
    润湿角小于90°时可以实现自发浸渗,当润湿角大于90°时则需要外加压力才能浸渗。
    The glaze surface with low surface roughness was gained when lgηis between 2.65~3.15, surface tension between 350~380 m(N·m)~(-1), and the wetting angle of glaze melt on body between 30~15°.
    实验表明:当lgη(粘度的对数)在2.65~3.15之间、表面张力介于350~380m·(N·m)~(-1)、釉熔体对坯体的润湿角在30~15°之间时,可以形成粗糙度较小、质量良好的釉面。
    It is found that the wetting angle between aluminum and γ-alumina is between 30°and 50°,i. e. 30°<θ≤50°
    计算结果发现Al与γ-Al_2O_3的润湿角在30°到50°这一范围之间,即30°<θ≤50°
    Furthermore, the relationship between critical cooling rate R c for glass formation and wetting angle θ has also been predicted.
    通过分析润湿角因子 f(θ)对合金形核与结晶过程的影响 ,获得了非晶态凝固所需临界冷却速率 Rc 与润湿角θ之间的关系
    adding CH M 8,DDA 18,CH 2 C to enhance wetting angle,and to enhance lipophilicity;
    添加CH M 8、DDA 18、CH 2C颜料润湿角有较大增加 ,亲油性增强 ;
    The relationship between the wetting angle (θ) and spreading areas (S) is researched.
    对润湿角(θ)与铺展面积(S)之间的关系进行了探讨。
    The wetting angle between the copper mold and Zr-Al-Cu-Ni alloy melt is rather big, so the glass forming ability is strong.
    由于Zr Al Cu Ni合金与铜型之间的润湿角很大 ,因而形成玻璃能力强 ;
    The wetting angle of Sn-9Zn is 120°; while that of (Sn-9Zn)-10Cu is 54°.
    Sn 9Zn的润湿角为120°,而(Sn 9Zn) 10Cu的润湿角为54°。
    Through the measurement of wetting angle and ESCA characterization, it is confirmed that substrate has been modified.
    对经过修饰的载体进行润湿角测定和ESCA的表征,从而证明载体已经被修饰。
    The title ZnO-P_(2)O_(5)-H_(2)O reaction system based zinc phosphate antirust pigment is characterized by use of X-ray,FT-IR,TEM and chemical analysis in terms of its constitution,crystal water,particle size distribution,morphology of particle,solubility,wetting angle,specific surface area and its dispersibility in alkyd resin,and its physical and chemical properties.
    采用X-ray、FT-IR、TEM及化学分析等手段测定了ZnO-P2O5-H2O反应体系制备的磷酸锌防锈颜料的组成、结晶水、粒度分布、颗粒形貌、溶解性、润湿角、比表面积,及其在醇酸树脂中的分散性,研究其化学物理性质。
    On tin-plated copper substrate,the best wettability(the wetting angle is 12°) can be got when organic halide and inorganic halide activated rosin flux(No.6 flux) are matched with Sn-9Zn solder,close to the wettability of Sn-37Pb solder.
    在镀锡铜片上,有机卤化物+无机卤化物活性剂松香焊剂(#6焊剂)匹配Sn-9Zn焊料获得最佳的润湿性(润湿角为12°),接近Sn-37Pb焊料的润湿性。
    The wetting angle of Al molten metal and Si3N4 substrate was measured t-hrough sessile drop technique and the relation between wetting angle and infiltration temperature was analyzed.
    利用座滴定法测试了Al在Si3N4基片上的润湿角,分析了润湿角与浸渗温度的关系。
    A light chemical reaction in the Si3N4/Al-Mg interface reduced the surface tension and wetting angle,thus successfully promoting the pressurel-ess infiltrating.
    适量镁元素的存在,在Si3N4/Al界面发生微化学放热反应,降低了表面张力,使润湿角大大减小,从而促进了自发浸渗的进行。
    If the wetting angle of acid solution system increases, capillary pressure may reduce further, and the rate of spent acid cleanup raised from 46% to 97% ,and emulsification between the acid solution and crude oil did not take place while the spent acid cleanup occurred.
    可增大酸液体系的润湿角,进一步降低毛细管阻力,使酸液返排率由46%提高到97%,在促进酸液返排的同时与原油不发生乳化反应。
    As a result,on tin-plated copper substrate,inorganic halide activator rosin flux(No.5 flux) matching Sn-0.75 Cu solder can get the best wettability(the wetting angle is 18°),close to the wettability of Sn-37 Pb.
    在镀锡铜片上,5#焊剂匹配Sn-0.75Cu焊料能够获得最佳的润湿性(润湿角为18°),已接近Sn-37Pb焊料的润湿性。
    The wetting angle of Al metal about Si3N4 substrate was measured through sessile drop technique and the pressureless infiltration mechanics of Si3N4 /Al materials was analyzed, which includes the influence of wetting angle infiltration force, infiltration temperature and time.
    利用座滴定法测试了Al在Si3N4基片上的润湿角,探讨了其浸渗机理,分析了润湿角、浸渗力、浸渗温度和浸渗时间对Si3N4/Al金属基复合材料浸渗行为的影响。
    When the amount of silane coupling agent is 2%(mass),the activated index of modified product,wetting angle to water and settling time are 98.7%,0~93.21° and 0.5 h to 176 h respectively. Its dispersibility and stability in coating can be improved.
    当硅烷偶联剂添加质量分数由0增加到2%,改性产品的活化指数由0增加到98.71%,对水的润湿角由0°增加到93.21°,沉降时间由0.5 h增加到176 h,在涂料中的分散性和贮存稳定性得到改进。
 

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