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从形态学和生物化学上研究了UVA、UVB和UVC对细胞的杀伤作用，现报告如下。1材料和方法用紫外线荧光灯（功率为15W、UVA365urn。UVB320urn、UVC254urn）产生紫外线。照射前弃去培养基、加入O．5mlHank液。经巴氏染色后在光镜下计数。每个样本重复做三张细胞涂片，每张涂片计数5
The morphological and biochemical studies of UVA, UVB and UVC on cell killing, are as follows. 1 Materials and Methods Ultraviolet light was generated using a UV fluorescent lamp (power 15 W, UVA 365urn. UVB 320urn, UVC 254urn). Discard the medium before irradiation and add O. 5mlHank liquid. After Papanicolaou count under light microscope. Repeat for each sample three cell smears, each smear count 5