The MCN‰ and PI have been determined and the F-test has been used to evaluate the differences in MCN‰ among different samples.
利用蚕豆根尖细胞微核技术对昆明市盘龙江水质进行监测,测定各采样点水样的蚕豆根尖细胞微核千分率(MCN‰)及污染指数(PI),并进行F检验,结果表明:各样点MCN‰有显著性差异,9个样点中有7个采样点的PI在2以上,和对照组相比差异极显著(P<0。
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