| half-value |
see under layer.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| half-value l. |
the thickness of a given substance that will reduce the intensity of a beam of radiation to one half of its initial value; called also half-value thickness. Abbreviated HVL.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| half-value t. |
see under layer.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| half-value thickness |
The thickness of a substance that, when placed in the path of a given beam of radiation, will lower its intensity to one half of the initial value.
출처:
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| half-value layer |
The half-value layer is the thickness of a substance which reduces the intensity of a beam of radiation to one-half of its initial value. The half-value layer is a function of the energy of the gamma and the composition of the shield or absorber. Examples:
출처: www.cardinalsurveys.com/glos.htm
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