放射性勘探

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This page is a translated version of the page Dictionary:Radioactivity survey and the translation is 50% complete.
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{{#category_index:R|radioactivity survey}} Measurements of variations in natural gamma radiation with the objective of mapping the distribution of radioactive elements (usually K, U, and Th). Observations are also affected by radionuclides, nuclear fallout, radon in the air, and cosmic radiation. See gamma-ray surveying.