- soil contaminant
- 土壤污染物质
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
soil contaminant
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Soil vapor extraction — (SVE) is an in situ process for soil remediation where contamination is removed from soil by carrying it out through a medium such as air or steam. The extracted soil vapors are separated into liquids and vapors, and each stream is treated as… … Wikipedia
Soil chemistry — studies the chemical characteristics of soil. Soil chemistry is affected by mineral composition, organic matter and environmental factors.OverviewUntil the late 1960s, soil chemistry focused primarily on chemical reactions in the soil that… … Wikipedia
Contaminant — Selon la Convention internationale OSPAR, un contaminant de l environnement est « Toute substance décelée dans un lieu où elle ne se trouve pas normalement »[1]. Pour des raisons de santé publique, l ONU et les industriels s intéressent … Wikipédia en Français
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
Soil test — In agriculture, a soil test is the analysis of a soil sample to determine nutrient content, composition and other characteristics, including contaminants. Tests are usually performed to measure fertility and indicate deficiencies that need to be… … Wikipedia
Soil contamination — Excavation showing soil contamination at a disused gasworks. Soil contamination or soil pollution is caused by the presence of xenobiotic (human made) chemicals or other alteration in the natural soil environment. This type of contamination… … Wikipedia
contaminant — 1. An undesirable substance not normally present or an unusually high concentration of a naturally occurring substance in water or soil [22]. 2. Any physical, chemical, biological, or radiological substance or matter in water [22]. See… … Lexicon of Cave and Karst Terminology
Polychlorinated biphenyl — PCBs redirects here. For printed circuit boards, see printed circuit board. Labelling transformers containing PCBs … Wikipedia
Bioremediation — can be defined as any process that uses microorganisms, fungi, green plants or their enzymes to return the natural environment altered by contaminants to its original condition. Bioremediation may be employed to attack specific soil contaminants … Wikipedia
Environmental effects of pesticides — Use of pesticides can have unintended effects on the environment. Over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, including nontarget species, air, water, bottom sediments, and… … Wikipedia
Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… … Wikipedia
