| half-life |
The time necessary for half of the atoms of a parent isotope to decay into the daughter isotope.
출처: college.hmco.com/geology/resources/geologylink/glo...
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| half-life |
1. The time required for a pollutant to lose one-half of its original concentration or example, the biochemical half-life of DDT in the environment is 15 years. 2. The time required for half of the atoms of a radioactive element to undergo self-transmutation or decay (half-life of radium is 1620 years). 3. The time required for the elimination of half a total dose from the body.
출처: www.e11th-hour.org/resources/backgrounders/environ...
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| half-life |
The time needed for half of a radioactive isotope to decay and form a stable element. This known rate of decay is used in radiometric dating, such as radiocarbon dating, to determine the age of objects.
출처: www.archaeological.org/webinfo.php
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| half-life |
The time required for half the amount of a drug to be eliminated from the body.
출처: www.allabouthepatitisc.com/readytolearn/utils/glos...
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| half-life |
the amount of time it takes for half of the existing amount of a radioactive element to decay to non-radioactive products.
출처: www.ieainstitute.com/IndoorAirQuality/knowledge-ba...
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