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Uptake of organic chemicals in plants Human exposure assessment

Chia sẻ: Cao Cẩn | Ngày: | Loại File: PDF | Số trang:137

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Natural groundwater quality changes start in the soil, where infiltrating rainfall dissolves carbon dioxide from biological activity in the soil to produce weak carbonic acid that may assist removal of soluble minerals from the underlying rocks, e.g. calcite cements. At the same time, soil organisms consume some of the oxygen that was dissolved in the rainfall. In temperate and humid climates with significant recharge, groundwater moves relatively quickly through the aquifer. Contact time with the rock matrix is short and only readily soluble minerals will be involved in reactions. Groundwater in the outcrop areas of aquifers is...

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Nội dung Text: Uptake of organic chemicals in plants Human exposure assessment

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