| background radiation |
Filling all space, eg the radiation from the early, hot universe.
출처: www.cpepweb.org/main_universe/glossary.html
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| background radiation |
Cosmic rays and natural radioactivity are always present in the environment. In addition, man-made sources also may contribute to the background radiation level. The average New Yorker receives approximately 360 millirem per year from radon and background radiation.
출처: www.westchestergov.com/discemergplan/glossaryofter...
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| background radiation |
The radioactivity in the environment including cosmic rays from space and radiation that exists everywhere
출처: www.deq.state.la.us/surveillance/repr/terms.htm
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| background radiation |
Radiation that comes from space at radio and infrared wavelengths.
출처: inkido.indiana.edu/a100/glossary2.html
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| background radiation |
Radiation that occurs naturally in the environment from cosmic rays and radon or from atomic tests carried out by man.
출처: www.lehigh.edu/~kaf3/books/reporting/glossary.html
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