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Absorption and Accumulation Characteristics of Weed to Heavy Metals in Coal Mining Area

机译:矿区杂草对重金属的吸收富集特性

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摘要

The study analyzed the characteristics of absorption and accumulation for heavy metals in 7 weed species in coal mining area. The results indicated that the coal mining area was mainly contaminated by Cd, Zn and Cr. The values of BCF were different in weed species. Annual fleabane and wild artemisia had a higher accumulation to Cu, Cr, Ni, Pb and Cd, but all was less than 1. Radix ophiopogonis also had stronger transfer ability to those elements. Considering BCF and TF, Clover was as accumulator to Zn and Pb, Radix ophiopogonis as accumulator to Cd.
机译:研究分析了煤矿区7种杂草对重金属的吸收和累积特征。结果表明,煤矿区主要受到镉,锌和铬的污染。杂草物种的BCF值不同。一年生的氟烷和野生蒿对铜,铬,镍,铅和镉的积累较高,但均小于1。麦冬还具有向这些元素的较强转移能力。考虑到BCF和TF,四叶草是Zn和Pb的积累物,麦冬是Cd的积累物。

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