| DDP |
German Democratic Party. A left-wing social-liberal party. Their party newspapers were the Vossische Zeitung and the Volkswacht.
출처: en.wikipedia.org/wiki/Weimar_political_parties
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| DDT |
The first chlorinated hydrocarbon insecticide chemical name: Dichloro-Diphenyl-Trichloroethane. It has a half-life of 15 years and can collect in fatty tissues of certain animals. EPA banned registration and interstate sale of DDT for virtually all but emergency uses in the United States in 1972 because of its persistence in the environment and accumulation in the food chain.
출처: www.epa.gov/OCEPAterms/dterms.html
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| DDT |
dichlorodiphenyltrichloroethane, a colorless insecticide widely used during the ?0s and ?0s whose side effects wreaked havoc on a number of species, including the peregrine. Though banned in the US since 1972, DDT is still in use in South America, where many peregrines winter.
출처: www.pbs.org/falconer/falconry/glossary.htm
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| DDT |
a pesticide commonly used in the mid-1900s to control insect outbreaks. Breakdown elements from DDT and other pesticides called chlorinated hydrocarbons accumulated in the upper levels of the food chain. The results of this accumulation proved particularly hazardous for birds of prey and other bird species that eat primarily fish, because high quantities of these chemicals caused an abnormality in calcium production. ...
출처: museum.nhm.uga.edu/gawildlife/glossary/gawwglossar...
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| DDS |
Doctor of Dental Surgery. deciduous teeth - also known as "baby" or primary teeth. dental arch - the horseshoe-shaped sections of the jaws that contain the teeth. dental amalgams - also known as silver fillings, dental amalgams are comprised of a mixture of mercury (45 to 50 percent) and an alloy of silver, tin, and copper (50 to 55 percent). ...
출처: www.chw.org/display/PPF/DocID/2153/router.asp
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