考察了这种固定相的柱效、热稳定性、极性及选择性等色谱特性。
The chromatographic characteristics, including column efficiency, thermal stability, polarity and selectivity were studied.
方法：应用中波紫外线治疗白癜风、妊娠纹、色素减退性瘢痕等色素减退性皮肤病共40例。
Methods 40 cases of leukoderma including vitiligo, pregnancy stretch marks and hypopigmentative scars were treated with UVB.
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