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DDT abbr.
ambient.	DDT A persistent organochlorine insecticide, also known as dichlorodiphenyltrichloroethane, that was introduced in the 1940s and used widely because of its persistence (meaning repeated applications were unnecessary), its low toxicity to mammals and its simplicity and cheapness of manufacture. It became dispersed all over the world and, with other organochlorines, had a disruptive effect on species high in food chains, especially on the breeding success of certain predatory birds. DDT is very stable, relatively insoluble in water, but highly soluble in fats. Health effects on humans are not clear, but it is less toxic than related compounds. It is poisonous to other vertebrates, especially fish, and is stored in the fatty tissue of animals as sublethal amounts of the less toxic DDE. Because of its effects on wildlife its use in most countries is now forbidden or strictly limited
quím.	DDT; dichloro-diphenyl-trichloroethane
Francés tesauro
DDT abbr.
abrev., agric.	1,1 dichloro-2,2 bisp-chorophényléthylène
abrev., ambient.	DDT (难以分解的有机氯杀虫剂，化学名称为二氯二苯基三氯乙烷，因其在环境中的持久性(即不必重覆施用)、对哺乳动物的低毒性和制造容易、花费低，所以在20世纪40年代被引入并广泛使用。 它遍及全世界，和其他有机氯杀虫剂对在食物链上层的物种，特别是对掠食性的鸟类生殖演替产生影响。 DDT非常的稳定，相对不溶于水，但易溶于脂肪中。 对人类健康的影响仍不清楚，但毒性较其他的相关化合物小。 对其他的脊椎动物，特别是鱼类具有毒性，会以毒性较低之二氯二苯化合物型态积存在动物的脂肪组织中。 因其对野生生物的影响，大部份的国家已经禁用或严格限用。)
abrev., industr.	dichlorodiphényltrichloréthane; dichlorodiphényltrichlorméthylméthane

DDT Consultation regionale destinee a preparer les pays d'Afrique a une reduction du recours au DDT: 2 a las frases, 1 temas

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