"ඩී.ඩී.ටී" හි සංශෝධන අතර වෙනස්කම්
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|ImageFile=p,p'-dichlorodiphenyltrichloroethane.svg
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|LD50=113 mg/kg (rat)}}
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'''ඩී. ඩී. ටී.''' (යන කෙටි නාමය, ඩයික්ලෝරෝ ඩයිෆයිනයිල් ට්රයික්ලෝරෝඑතීන් ය.) යනු කෘත්රීම කෘමිනාශකයකි.
First synthesized in 1874, DDT's [[insecticide|insecticidal]] properties were not discovered until 1939, and it was used with great success in the second half of [[World War II]] to control [[malaria]] and [[typhus]] among civilians and troops. The [[Switzerland|Swiss]] chemist [[Paul Hermann Müller]] was awarded the [[Nobel Prize in Physiology or Medicine]] in 1948 "for his discovery of the high efficiency of DDT as a contact poison against several [[arthropod]]s."<ref name=nobel>
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