Influence of Cr(VI) on enzymatic activity of soil

机译：六价铬对土壤酶活性的影响

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Abstract: The inhibitory effect of Cr(VI) on soil hydrolases activity during two different periods (one and six months) was investigated, in order to obtain information on the change in heavy metal toxicity with time. Considering toxicity as the ecological dose-50% (EcD$-50$/) toxicity tended to increase over six months for cellulase C$-x$/, protease and acid phosphates and to decrease for amylase. The average EcD$-50$/ value varied between 4450 and 1210 ppm for cellulase C$-x$/, 5000 and 2320 ppm for protease, 3830 and 3295 ppm for acid phosphatase, 4030 and over 5000 ppm for amylase.!14

机译：摘要：研究了Cr（VI）对两个不同时期（一月和六个月）土壤水解酶活性的抑制作用，以便获得有关重金属毒性随时间变化的信息。考虑到毒性，因为纤维素酶C $ -x $ /，蛋白酶和酸性磷酸盐的生态剂量-50％（EcD $ -50 $ /）毒性在六个月内趋于增加，而淀粉酶则降低。纤维素酶C $ -x $ /的平均EcD $ -50 $ /值在4450和1210 ppm之间，蛋白酶在5000和2320 ppm之间，酸性磷酸酶在3830和3295 ppm之间，4030在淀粉酶上超过5000 ppm.14

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《International Conference on Monitoring of Toxic Chemical and Biomarkers》|1992年|p.529-532|共4页
会议地点 Berlin(DE)
作者
Jerzy Pacha; Institute of Environmental Engineering; Zabrze; Poland.;
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正文语种 eng
中图分类环境污染及其防治;
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Influence of Cr(VI) on enzymatic activity of soil

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