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资源类型: 外文期刊
作者:Huang, Yajie(精确检索)
作者:Li, Jumei(精确检索)
作者:Ma, Yibing(精确检索)
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1A simple method to determine the sampling numbers in decision-making units with unknown variations of soil cadmium

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来源:ENVIRONMENTAL MONITORING AND ASSESSMENT

关键词: Soil cadmium; Sampling numbers; Variation; Simple method; Log-normal distribution; Decision-making units

年份:2021

2Determining optimum sampling numbers for survey of soil heavy metals in decision-making units: taking cadmium as an example

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来源:ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH

关键词: Soil heavy metal; Cadmium; Optimum sampling numbers; Log-normal distribution; Ordinary least squares; Decision-making units

年份:2020

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