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 DDT [,di:,di:'ti:]   添加此单词到默认生词本
n. 滴滴涕

[计] 数字数据收发器, 动态调试技术, 动态调试工具

[化] 滴滴涕

[医] 滴滴涕, 二二三, 二氯二苯三氯乙烷


  1. The house is regularly spraying with DDT.
    房屋是定期用DDT喷洒。
  2. Any of various hydrocarbon pesticides, such as DDT, that contain chlorine.
    有机氯一种含氯的碳氢化合物杀虫农药，如滴滴涕杀虫剂
  3. Many insects have became resistant to DDT.
    很多昆虫对DDT都有了抵抗力。


ddt
[ noun ]
an insecticide that is also toxic to animals and humans; banned in the United States since 1972
<noun.substance>


  1. He suggested that further research on the plant's rate of pancreatic cancer and DDT examine the connection to diet.
  2. DDT weakened egg shells, reducing the survival rate.
  3. The recovery of the brown pelican in the southeastern United States seems to be attributed to the nationwide ban on DDT, while the "recovery" of the Palau dove, Palau fantail and Palau owl simply stems from the discovery of more birds.
  4. DDT should still be used, with appropriate safeguards, wherever pests can be well controlled, and particularly when more expensive chemicals cannot be afforded.
  5. Garabrant and company officials said that, based on the study, DDT could neither be identified nor ruled out as the cause of the pancreatic cancer.
  6. The bird's decline began in the 1940s when mosquito fighters began spraying DDT over the St. Johns River Refuge marshlands, ruining the duskies' eggs and insect food supply.
  7. Pesticides such as DDT and chemicals such as PCBs that accumulate in fat have now been regulated.
  8. Few Americans realize DDT may have contributed more to human happiness than any other synthetic chemical because of its ability to eradicate malaria.
  9. It is only the second time EPA has acted to ban a pesticide solely because it was killing birds, though harm to birds was a major reason for the ban on DDT in 1972.
  10. The episode two weeks ago on the faith that was placed in DDT just after the war, then the launch of the ecology movement with Rachel Carson's 'Silent Spring', followed by a new wave of blind faith in Mother Nature, was a profoundly sane programme.
  11. In 1969, the Nixon administration announced a halt to residential use of the pesticide DDT as part of a total phase-out that was to take effect by 1971.
  12. DDT has the great advantage of being relatively non-toxic to man.
  13. When DDT came into use in 1947 it was considered a miracle, but was ultimately banned by the EPA.
  14. The Lidova Demokracie daily recently quoted experts as saying the milk of women between 18 and 34 is contaminated by PCBs, DDT, and other toxic materials.
  15. Several proved to be promising insecticides, but DDT was the best.
  16. DDT, possibly available in unlimited amounts, was a godsend.
  17. However, DDT sprayed by hand on the walls of houses does no harm to the environment, and its contribution to human health and happiness is incalculable.
  18. It took three years of spraying with DDT and dosing soldiers with anti-malarial tablets to reduce the incidence to 20 per 1,000 by the time the war ended in 1945.
  19. In the 1940s and 1950s, the industry commonly used DDT and hydrogen cyanide.
  20. However, the repeat last week of the episode about DDT and blind faith in science followed now by anti-science and blind faith in Mother Nature seemed outstandingly good.
  21. He said DDT is cheap and effective against the anopheles mosquito, which carries malaria.
  22. To contain malaria, they plan a five-year campaign involving $198-million worth of DDT, he said.
  23. Groups of boys would enter all the houses in a village and spray DDT on the walls.
  24. Then DDT was made available.
  25. In Alabama, a federal judge brought in Mr. McGovern to pre-empt immense litigation over DDT disposal.
DDT
DDT poisoning
DDT spray
DDTS
ddu
Ddvp
DDX
DDZ
de
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De Broglie equation
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de dato
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De Florez cracking pr...
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De Florez upshot heater
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de gaulle
de Grandmont's operation
de Gua's rule
de Guinon tic
de Hass-Schubnikov os...
De hass-Van alphen ef...
de Hass-Van Alphen os...
De Hoop transformation
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