After surface treatment, natural or artificial leather as basic raw material is first painted with primer layer combining closely with leather, then electroplated with metal film and finally painted with outer protective layer.
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After surface treatment, the HETP of tested packings decreased about 20% and 30% in average for common organics…
对于分离普通有机物以及高表面张力物系（如水溶液），其等板高度HETP分别下降约20％和30％。
B302 lithopone: white paint, zinc sulfide content of 28 percent, after surface treatment than the B301 have a better dispersion.
B302立德粉：白色颜料、硫化锌含量为28%，经过表面处理比B301有更好的分散性。
The X-diffraction spectrum show that the crystallinity of the silk fibroin membrane increases after surface treatment with phosphoric acid.
衍射表明丝素膜用磷酸处理后，增加了丝素膜的结晶度。
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