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bingd600420

金虫 (小有名气)


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不同种类和不同电子组态的金属离子与陶瓷膜的ZrO2纳米晶涂层表面亲水性的羟基生成表面络合物后,势必改变原陶瓷膜的表面状态及表面性能,使得膜与过滤介质的接触界面及附近的离子分布受到影响,从而对其渗透通量产生影响。图4为压差为0.1MPa下、pH值为7、不同浓度的NaCl和MgCl2在室温(298K)时对渗透通量的影响。由于Mg2+在膜表面发生了特征吸附,随着MgCl2浓度的增大,渗透通量呈明显下降的趋势。而 Na+在膜表面没有发生特征吸附,随着NaCl浓度的增大,渗透通量呈稍有增加的趋势。在电解质溶液中,水分子除了处在大小不同的团簇结构的动态平衡外,还有一部分水分子以离子为中心呈放射状结构。在陶瓷膜的几何(结构)状态确定后,膜的表面态(结构)与不同结构的水分子的相互作用是决定渗透通量的主要内在因素。

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Risingstar

铁杆木虫 (著名写手)


bingd600420(金币+30, 翻译EPI+1):很好 多谢啊 2011-01-15 09:32:17
不容易啊,终于完成了。楼主斟酌!

The formation of complex compound, resulting from reaction of metal ions of various types and electronic configurations with hydrophilic hydroxyl on the surface of nanocrystalline ZrO2 coating on the ceramic membrane, is bound to change the surface conditions and performance of the original ceramic membrane, affecting ion distribution at and near the interface between the membrane and filter medium, which would has a further impact on the permeation flux. The influence of concentration of NaCl and MgCl2 on permeation flux under the conditions of a pressure difference of 0.1MPa, pH 7 and a room temperature of 298K, is shown in Fig.4. Permeation flux shows a remarkable decreasing trend when MgCl2 concentration increases, because of the characteristic adsorption of Mg2+ on the membrane surface. On the contrary, the increase in NaCl concentration leads to a slight increase in permeation flux, since characteristic adsorption of NaCl does not happen on the membrane surface. In electrolyte solutions some water molecules are at dynamic balance with clusters of different sizes, others are present in the form of radial symmetry with ion in the center. When the geometrical/structural conditions are given, the interaction between membrane surface state/structure and water molecules with different structures is the primary internal factor which determines permeation flux.
2楼2011-01-14 22:00:04
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bingd600420

金虫 (小有名气)


您好

引用回帖:
Originally posted by Risingstar at 2011-01-14 22:00:04:
不容易啊,终于完成了。楼主斟酌!

The formation of complex compound, resulting from reaction of metal ions of various types and electronic configurations with hydrophilic hydroxyl on the surface  ...

你翻译的很专业啊 我还有几段急着翻译  不知是否有时间 不胜感激啊
3楼2011-01-15 09:33:20
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Risingstar

铁杆木虫 (著名写手)


引用回帖:
Originally posted by bingd600420 at 2011-01-15 09:33:20:




你翻译的很专业啊 我还有几段急着翻译  不知是否有时间 不胜感激啊

看我的专业就知道我的翻译还是不够“专业”啊,你不急的话,把要翻译的段落发到我邮箱qiuqingjunzz@126.com吧,我看看再说,年关了,都忙啊
4楼2011-01-15 10:16:39
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