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MeSH(Medical Subject Headings) ¸ÂÃã °Ë»ö (http://www.nlm.nih.gov) °á°ú : 5 ÆäÀÌÁö: 1
  • Radio - »õâ The transmission and reception of electric impulses or signals by means of electric waves without a connecting wire, or the use of these waves for the wireless transmission of electric impulses into which sound is converted. (From Webster's 3d)
    Synonyms : Radios
  • Radio Waves - »õâ Electromagnetic waves with frequencies between about 3 kilohertz (very low frequency - VLF) and 300,000 megahertz (extremely high frequency - EHF). They are used in television and radio broadcasting, land and satellite communications systems, radionavigation, radiolocation, and DIATHERMY. The highest frequency radio waves are MICROWAVES.
    Synonyms : Frequency Wave, High, Frequency Waves, High, High Frequency Wave, Radio Wave, Short Wave, Wave, High Frequency, Wave, Radio, Wave, Short, Waves, Hertzian, Waves, High Frequency, Waves, Radio, Waves, Short
  • Radioactive Fallout - »õâ The material that descends to the earth or water well beyond the site of a surface or subsurface nuclear explosion. (McGraw-Hill Dictionary of Chemical and Technical Terms, 4th ed)
    Synonyms : Fallout, Radioactive, Fallouts, Radioactive, Radioactive Fallouts
  • Radioactive Pollutants - »õâ Radioactive substances which act as pollutants. They include chemicals whose radiation is released via radioactive waste, nuclear accidents, fallout from nuclear explosions, and the like.
    Synonyms : Pollutants, Radioactive
  • Radioactive Tracers - »õâ Radioactive substances added in minute amounts to the reacting elements or compounds in a chemical process and traced through the process by appropriate detection methods, e.g., Geiger counter. Compounds containing tracers are often said to be tagged or labeled. (Hawley's Condensed Chemical Dictionary, 12th ed)
    Synonyms : Tracers, Radioactive
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MeSH(Medical Subject Headings) À¯»ç °Ë»ö (http://www.nlm.nih.gov) °á°ú : 0 ÆäÀÌÁö: 1
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