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1)  MCN‰
微核千分率
1.
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。
2.
The MCN‰ was determined and the PI.
以蚕豆根尖微核技术检测南盘江曲靖段的3月份枯水期水质污染状况,分别以下桥闸、弹药库、八大河3个河段处为取样点,统计微核千分率,并计算污染指数(PI)。
2)  permillage of micronucleus cell
微核细胞千分率
3)  ppth (parts per thousand)
千分率
4)  permillage [英][pə'milidʒ]  [美][pɚ'mɪlɪdʒ]
千分率比
5)  kilo-gradient ratio (‰)
坡度千分率
6)  micronucleus frequency
微核率
1.
MATERIALS AND METHODS:Micronucleus assay and chromosomal aberration assay were used to determine the mitotic index,the micronucleus frequency and chromosomal aberration frequency of Vicia faba root tip cells induced by different concentrations of chlorothalonil and cypermethrin.
材料与方法:分别用不同浓度的农药百菌清(5×10-10~5×10-4g/L的7种浓度)、氯氰菊酯(5×10-10~5×10-4g/L的7种浓度)处理蚕豆根后,测定蚕豆根尖细胞的微核率、有丝分裂指数和染色体畸变率。
2.
Micronucleus assay and chromosomal aberration assay were used to determine mitotic index,micronucleus frequency and chromosomal aberration frequency of Vicia faba root tip cells induced by different concentrations of ethylicin or bismerthiazol.
利用蚕豆根尖微核技术研究农药乙蒜素和细菌溴腈对蚕豆根尖细胞的遗传损伤,测定蚕豆根尖细胞的微核率、有丝分裂指数和染色体畸变率。
3.
The ecotoxicity of uranium tailings lixivium was studied and the micronucleus frequency, nuclease activity and seed germination rate of Vicia faba were determined under stress of uranium tailings lixivium.
利用室内培养法研究了铀尾矿浸出液对蚕豆(Viciafaba)根尖细胞的微核率、核酸酶活性及对蚕豆种子萌发的影响。
补充资料:核微孔膜
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性质: 利用固体绝缘介质中的核径迹经化学蚀刻处理后形成孔径大小、形状和密度可调而制成的滤膜。其优点是孔径比普通微孔膜的均匀、孔径在5nm至几十微米之间可调节、孔形规则。可用于生物粒子过滤、癌细胞鉴别、红血球变形诊断、超净试剂制备、气溶胶收集、控释透皮药物制备等。

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