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润湿角     
相关语句
  wetting angle
     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°。
短句来源
     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 ;
短句来源
     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%。
短句来源
     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。
短句来源
     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°
短句来源
更多       
  contact angle
     When adding content of Cu is 4% and content of rare earth Ce is 0.05%,contact angle of alloy is 49°,which is the most small.
     当添加Cu含量为4%,稀土含量为0.05%时,合金的润湿角最小为49°;
短句来源
     The addition of SiO_2 can suppress the grain growth of TiO_2 crystal,increase the hydroxyl content of TiO_2 film,decrease the contact angle for water of TiO_2 films and enhance the hydrophilic property of TiO_2 films.
     在 TiO_2薄膜中添加 SiO_2,可以抑制薄膜中 TiO_2晶粒的长大 ,同时薄膜表面的羟基含量增加 ,水在复合薄膜表面的润湿角下降 ,亲水能力增强 .
短句来源
     The super-hydrophilic TiO_2/SiO_2 composite nanometer films with the contact angle of 0o were obtained by the addition of 10%-20% (mole fraction) SiO_2.
     当 SiO_2含量为 10%- 20%(摩尔分数)时获得了润湿角为 0°的超亲水性薄膜 .
短句来源
     The results show that the contact angle of molten Zr_(55)Al_(10)Ni_5Cu_(30) and 1Cr18Ni9Ti substrate decreases as the temperature increases.
     结果表明:随着温度的升高,Zr55Al10Ni5Cu30与不锈钢基片之间的润湿角减小,润湿半径增大;
短句来源
     The results show that the wettability of Ag on SnO2 is improved by increasing the CuO content. The contact angle of Ag/SnO2 decreases from 90oto 29o with 7% CuO content.
     结果表明,随着CuO 含量的增加,SnO2与Ag 的润湿性提高,7%CuO 的加入,使Ag/SnO2的润湿角从90o减小到29o。
短句来源
更多       
  wetting angles
     By means of wetting balance method and spreadability method, the wetting time , wetting force and the wetting angles of Sn3.0Ag0.5Cu lead-free solder were tested under the conditions of different temperatures and coatings on substrates.
     采用润湿平衡法研究了不同温度下Sn3.0Ag0.5Cu无铅钎料在Cu基体(两种镀层)上的润湿时间和润湿力,采用铺展试验法研究了不同温度下该无铅钎料在Cu基体上的润湿角,研究了钎焊温度及基体镀层对Sn3.0Ag0.5Cu无铅钎料润湿性的影响规律。
短句来源
     It was showed that the liquidus and solidus temperatures of the alloy are 491.0℃ and 445.0℃,respectively,the wetting angles of the alloy on Ni plate are less than 15°under temperature≤ 550℃,and the spreading area on Ni plate is increased with increasing in temperature from 490℃ to 550℃.
     研究结果表明该钎料合金的液、固相线温度分别为490.1℃和445.0℃,合金在≤550℃下对Ni板的润湿角<15°,在Ni板上的铺展面积随着温度从490℃升至550℃而逐渐增大。
短句来源
     The reaction wetting is changed into no-reaction wetting, when Si is added to 1.5% or more, while the wetting angles is reduced to about 25°.
     添加合金元素Si1.5 %以上 ,可使润湿角降至 2 5°左右。
短句来源
     To select the suitable surfactant,wetting Gibbs free energy change ΔG were calculated by the measurement for surface tensionγg-L and wetting anglesθ of Zinc phosphate with different surfactants. According to the measured values for surface tension of zinc acetate solution having non-ionic surfactant and the corresponding adsorption of OP-10 on Zinc Phosphate,the action mechanism of OP-10 in preparation of microcrystalline Zinc Phosphate was inferred.
     通过测定表面张力γg L、润湿角θ,计算润湿吉布斯自由焓ΔG,确定选用活性剂的种类,同时测定加入非离子表面活性剂的醋酸锌溶液的表面张力,并结合磷酸锌对OP 10吸附量Г,推测OP 10在微晶磷酸锌制备中的作用机理。
短句来源
     Alloying with Bi、Ni, SZC solder can improve the wettabilityand the wetting angles decrease half from that of Sn-9Zn by using RMA flux, when Ni content increase, The additives have little effect on the composition of interfacial IMC and the reaction layer decrease from 4um to 3um in SZC-Bi-Ni alloy for the formation of (Cu, Ni)-Zn compound, which resulted less Zn atoms diffusing to the interface.
     随着Ni含量的增加,润湿角逐渐减少,且在使用RMA钎剂情况下,润湿角减为一半以上; 微量Bi、Ni对界面IMC组织与形貌没什么影响,但1%Ni会降低界面IMC地厚度和钎料处富Zn相的含量。
短句来源
更多       
  wetting-angle
     The New Method for Determining the Wetting-angle and Its Use
     润湿角测定新方法及其应用
     The wetting-angle between AI2O3-coated Ni and heat-resistance steel liquid is 46C, the wetting-angle between AI2O3-coated TiN and heat-resistance steel liquid is 58C.
     结果表明:镍涂层氧化铝与耐热钢液间的润湿角是46°,氮化钛涂层氧化铝与耐热钢液间的润湿角是58°。

 

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      wetting angle
    The calculations are made in the range of variation of the parameters, the wetting angle and the Bond number, adjoining the boundary of the stability region.
          
    For fixed volume of the fluid and different values of the angular velocity and the wetting angle the decay rate and frequency of the characteristic oscillations are calculated.
          
    A nonuniform temperature distribution, the presence of surface-active substances and impurities, and also other factors lead to a change in the wetting angle along a plane.
          
    The Effect of Wave Formation and Wetting Angle on the Thermocapillary Breakdown of a Falling Liquid Film
          
    Different working liquids and coatings of the working surface are used in the experiments to investigate the effect of the wetting angle on the film breakdown.
          
    更多          
      contact angle
    With the increase of DHPDMS content, the water contact angle increased while the surface tension decreased.
          
    As the DHPDMS content increases above 5%, both the contact angle and the surface tension tend to approach a constant.
          
    The contact angle increases with increasing temperature, and it tends to approach a constant when the temperature is higher than 50°C.
          
    Surface energy of preservative-treated southern yellow pine (Pinus spp.) by contact angle measurement
          
    Based on the contact angle data, the surface energy was obtained from the acid-base approach.
          
    更多          
      wetting angles
    The boundaries of the stability region are calculated in the case when the wetting angles on the lower and upper plates are the same.
          
    Wetting angles and limits of thermal stability of esters derived from pentaerythritol and perfluoro-, ω-chloropolyfluoro-, and perfluoropolyethercarboxylic acids were studied.
          
    The estimated acid-base characteristics of the surface of α-Al2O were on the whole in agreement with the results obtained by measuring the dependence of wetting angles on solution pH.
          
    The results indicated that the wettabilities of Fe and Fe-Cr on TiO were poor, and their wetting angles were about 90° at melting point.
          
    The wetting angles reduced with the increase of wetting temperature, but the influence of temperature was small.
          
    更多          
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