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粉体接触角
相关语句
  powder with the contact angle
     Research on the Surface Character of the Solid Powder with the Contact Angle Method
     粉体接触角方法研究固体的表面性质
短句来源
  “粉体接触角”译为未确定词的双语例句
     Measurement of Contact Angles of Solid Powder by Washburn Osmotic Pressure Method
     Washburn动态渗透压力法测量粉体接触角
短句来源
     The wetting ability of the solution of water-soluble cationic polymer NCP and the solution of HPAM (partial hydrolytic polyacrylamide) on the surface of Ca-montmorillonite was determined by a JF99A contact angle calcimetre.
     用JF99A粉体接触角测量仪测定了水溶性阳离子聚合物NCP溶液和部分水解聚丙烯酰胺HPAM溶液在粉体钙质蒙脱土上的润湿性.
短句来源
     A STUDY ON WETTABILITIES OF FINE PARTICULATE SANDS IN THE CHANGJIANG RIVER ESTUARY BY THE CONTACT ANGLE OF POWDER
     用粉体接触角技术研究长江口表层底泥的润湿性
短句来源
     Measuring Surface Free Enthalpy Change of Sediment of Chang Jiang River with Contact Angle Method
     粉体接触角法快速测定长江口沉积物的表面自由焓变
短句来源
     On the basis of the Washburn principle,the contact angles of various liquids such as deionized water,sodium chloride solution of mass fraction 0.05,ethanol and ethanol-water solution of volume fraction 0.15 on the sediment surface were measured by the JF99A contact angle meter with osmotic pressure method. The surface free enthalpy change was received from the relative contact angle of the sediment.
     根据Washburn原理研制的JF99A型粉体接触角测量仪,是利用渗透压力法测定粉体的接触角。 在室温下,采用去离子水、无水乙醇、5%(m/m)的NaCl溶液、15%(V/V)的乙醇溶液为润湿液体,测定了长江口南港白龙港水域沉积物的相对接触角,从而可以确定沉积物的表面自由焓变。
短句来源
  相似匹配句对
     Pneumatic Conveying for Powder Materials
     的气力输送
短句来源
     Electroless nickel plating on powders
     上的化学镀镍
短句来源
     IP Access Network
     IP入网
短句来源
     The function of chemosenilla in antennae of the housefly (Musca domestica)
     家蝇触角化学感受器的功能
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     Broadband Access Network
     宽带入网
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The estuarine interface chemistry of fine paniculate sands from the sediments of the Changjiang River Estuary was studied by the Contact Angle of Powder. The wettabilities of nine sediments in the Changjiang River Estuary were determined and the surface states of them were discussed. This new type of method for the studying of estuarine interface chemistry, which was named Contact Angle of Powder, has not yet been reported before.

粉体接触角测量技术用于河口界面化学的研究,测定了长江口地区9个站位表层底泥的润湿性,从润湿性角度探讨了长江口表层底泥的表面状态。

The wetting ability of the solution of water-soluble cationic polymer NCP and the solution of HPAM (partial hydrolytic polyacrylamide) on the surface of Ca-montmorillonite was determined by a JF99A contact angle calcimetre. The former has a smaller contact angle than the latter. The results of relative wetting angle show that NCP has better hygroscopicity. On the other hand, when montmorillonite was saturately adsorbed by NCP and HPAM solutions and was disposed by filtrating, washing, drying and sieving, the...

The wetting ability of the solution of water-soluble cationic polymer NCP and the solution of HPAM (partial hydrolytic polyacrylamide) on the surface of Ca-montmorillonite was determined by a JF99A contact angle calcimetre. The former has a smaller contact angle than the latter. The results of relative wetting angle show that NCP has better hygroscopicity. On the other hand, when montmorillonite was saturately adsorbed by NCP and HPAM solutions and was disposed by filtrating, washing, drying and sieving, the results of contact angle in water solution show that the NCPMT has better hygroscopicity than HPAMMT.

用JF99A粉体接触角测量仪测定了水溶性阳离子聚合物NCP溶液和部分水解聚丙烯酰胺HPAM溶液在粉体钙质蒙脱土上的润湿性. 实验结果表明NCP溶液在0~1 g/L浓度范围内蒙脱土表面的润湿接触角比水在蒙脱土表面的润湿接触角小,并且比浓度相当的HPAM溶液在蒙脱土表面的润湿接触角要小得多;相同浓度NCP和HPAM溶液中达到吸附平衡的蒙脱土干燥过筛处理后的样品对水的润湿接触角也是前者小于后者,其差别比各自溶液在蒙脱土上的润湿性的差别更大,即经NCP处理后的蒙脱土对水的润湿性明显变好,而经HPAM处理后的蒙脱土对水的润湿性变差.

The contact angles of various solvents such as water, methanol, alcohol, benzene and toluene on the Al2O3 powder surface were measured by an osmotic pressure method on the basis of Washburn equation. The new method is more convenient and accurate compared with the premier Washburn method.

在Washburn动态法的基础上,组装了一套渗透压力法测量粉体接触角的实验装置。在以往的实验中,测定固体粉末的接触角时是利用液体在由固体粉末所形成的多孔塞中毛细管上升的高度与时间之间的关系来实现。本文利用液体在管内粉体床中上升时压力随时间的变化关系来测定粉体的相对接触角,主要测量了不同溶剂(水,甲醇、乙醇、甲苯和苯)在不同的温度下(20℃、25℃、30℃和35℃)对铝粉的相对接触角,得到了满意的结果。

 
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