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 radiation [ˌreidi'eiʃən]   添加此单词到默认生词本
n. 辐射

[化] 放射

[医] 放射, 辐射, 照射, 放射[疗法],[放]射线疗法, 射线, 辐射线(解)


  1. The news of the radiation leak caused widespread public alarm.
    辐射泄露的消息引起了公众的普遍恐慌。
  2. In the accident, the workers received a heavy dose of radiation.
    在这次事故中，工人受到大剂量的辐射。


radiation
[ noun ]
  1. energy that is radiated or transmitted in the form of rays or waves or particles

    2. <noun.phenomenon>
  2. the act of spreading outward from a central source

    3. <noun.act>
  3. syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours

    4. <noun.state>
    he was suffering from radiation
  4. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

    5. <noun.process>
  5. the spread of a group of organisms into new habitats

    6. <noun.event>
  6. a radial arrangement of nerve fibers connecting different parts of the brain

    7. <noun.body>
  7. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

    8. <noun.act>


Radiation \Ra`di*a"tion\ (r[=a]`d[i^]*[=a]"sh[u^]n), n. [L.
radiatio: cf. F. radiation.]
1. The act of radiating, or the state of being radiated;
emission and diffusion of rays of light; beamy brightness.

2. The shooting forth of anything from a point or surface,
like the diverging rays of light; as, the radiation of
heat.

  1. The government first acknowledged the Hanford problems publicly in 1986, although much information about radiation releases there is still classified as secret.
  2. But Upton noted that the studies were not conclusive and said other studies have reported different estimates of the dangers radiation poses.
  3. A six-page manual advises that when an alarm sounds, people should stay calm, gather essentials, lock their homes and head away from the radiation source without speeding.
  4. Atwater also has been receiving physical therapy and undergoing daily radiation treatments.
  5. The researchers focused the radiation on the spleen and lymph glands in the neck, under the armpits, in the chest and abdomen and above the groin.
  6. He is recuperating from surgery, chemotherapy and radiation treatment for lung cancer.
  7. Federal officials knew that workers at the Nevada Test Site were exposed to dangerous levels of radiation from nuclear bomb blasts in the 1950s and '60s, according to government records cited by The New York Times.
  8. Educators want to include five other schools in the radiation monitoring plan to prove their theory that electric and magnetic fields at Sandpiper Shores are no different than the radiation levels that exist on other campuses.
  9. Educators want to include five other schools in the radiation monitoring plan to prove their theory that electric and magnetic fields at Sandpiper Shores are no different than the radiation levels that exist on other campuses.
  10. Neal Nelson, a radiation biologist for the U.S. Environmental Protection Agency, said he was skeptical of the Chernobyl hypothesis after starting to study information Gould sent him.
  11. In one series of tests, she said, mice infected with what is normally a skin disease developed fewer skin ulcers under ultraviolet radiation, but between 15 percent and 40 percent of them died.
  12. Now, NOAA reported, satellite-borne instruments have been used to measure ozone using infrared radiation, allowing the ozone hole to be detected during the darkness.
  13. The Soviet Union has resumed bombarding the U.S. Embassy in Moscow with low-intensity beams of microwave radiation, the State Department said Thursday.
  14. Republican National Committee Chairman Lee Atwater was alert after undergoing radiation therapy for brain tumor "progression," a spokeswoman said today.
  15. The burst of light and radiation was located in the Large Magellanic Cloud, a galaxy near the Milky Way, and some 160,000 light years away.
  16. Watson said it has been estimated that a 1 percent depletion of ozone causes a 2 percent increase in ultraviolet radiation.
  17. John Masefield, Isomedix chairman, said the company, which performs contract radiation sterilization services, is cooperating with the FTC.
  18. But two Pennsylvania citizens' groups challenged the decision, expressing concern about the release of radiation into the atmosphere.
  19. What's more, growers of mushrooms and asparagus, two highly perishable crops, are looking at radiation.
  20. Loss of the sense of taste is common after some illnesses and sometimes occurs as a side effect of drug or radiation therapy.
  21. The procedure measures infrared radiation emitted by the skin and isolates hot spots to capture "a picture of pain," according to the 37-page opinion.
  22. William Rosenberg, the EPA's assistant adminstrator for air and radiation, said the long delay in the regulations reflects the difficulties the agency faces in reducing hazardous releases under current federal air quality laws.
  23. More than 3,000 people are preparing to leave a small area of the Russian republic where increased radiation has doubled the amount of illness since the 1986 nuclear disaster at Chernobyl, Tass said Tuesday.
  24. Plant officials hope to finish the cleanup by the end of 1991, then place Unit 2 in storage for anywhere between 20 years and 60 years while radiation decays inside.
  25. A similar report, based on a plant inspection in July, detailed 10 serious problems with radiation protection at the plant.
  26. An accident involving similarly stored wastes in the Soviet Union in 1957 released huge amounts of radiation and contaminated an area covering hundreds of square miles, forcing the evacuation of 10,000 people.
  27. Scientists there have been studying radiation levels because of concerns about the depletion in the amount of ozone in the atmosphere high above the Antarctic.
  28. First lady Barbara Bush on Thursday underwent the second of 10 radiation treatments for eye irritation caused by her immune system disease.
  29. CFCs deplete the earth's ozone layer, which blocks solar radiation that can cause skin cancer and crop damage.
  30. Hayes says ultraviolet light is a known threat to frog's eggs, and increased amounts of the harmful radiation entering through the thinning ozone layer could be destructive.
radiation
radiation ablation
radiation absorbed dose
radiation absorber
radiation absorption
radiation absorption ...
radiation absorption ...
radiation absorptivity
radiation accident
radiation aid
radiation alarm
radiation alert network
radiation angle
radiation angular dis...
radiation annealing
radiation aperture
radiation area
radiation auto-oxidation
radiation background
radiation balance
radiation band
radiation barrier
radiation beam
radiation beam axis
radiation belt
radiation belt dynamics
radiation belt ions
radiation belt proton
radiation biochemistry
radiation biodosimetry
radiation biology
radiation biophysics
radiation boiler
radiation botany
radiation breeding
radiation budget
radiation burn
radiation burner
radiation calorimeter
radiation cancer
radiation carcinogen
radiation carcinogenesis
radiation cascade
radiation catalysis
radiation catalyst
radiation cataract
radiation characeristic
radiation characteristic
radiation chart
radiation chemical en...
radiation chemistry
radiation chemistry o...
radiation chemistry o...
radiation chimaera
radiation chimera
radiation cleavage
radiation cnimera
radiation coefficient
radiation colding
radiation component o...
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