| heavy metals |
Metallic elements with relatively high atomic weights such as lead, cadmium, arsenic and mercury. Generally toxic in relatively low concentrations to plant and animal life.
출처: www.deh.gov.au/soe/2001/coasts/glossary.html
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| heavy metals |
Metals with high molecular weights that are of concern because they are generally toxic to animal life and human health if naturally occurring concentrations are exceeded. Examples include, arsenic, chromium, lead and mercury.
출처: www.pca.state.mn.us/gloss/glossary.cfm
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| heavy metals |
A metallic element of high specific gravity, such as antimony, bismuth, cadmium, copper, gold, lead, mercury, nickel, silver, tin, and zinc. These metals, which are toxic even in low concentrations, persist in the environment and can accumulate to levels that stunt plant growth and interfere with animal life.
출처: biology.usgs.gov/s+t/SNT/noframe/zy198.htm
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| heavy metals |
metallic elements (Example: cadmium, chromium, copper, lead, mercury, nickel, and zinc) which are used to manufacture products; they are present in some industrial, municipal, and urban runoff.
출처: www.wef.org/publicinfo/newsroom/wastewater_glossar...
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| heavy metals |
the heavy metals of concern to gardeners are lead, zinc, nickel, arsenic, copper and cadmium. These metals can be toxic to plants when they accumulate to high levels in the soil.
출처: www.hcs.ohio-state.edu/mg/manual/glossary.htm
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