natural radioactivity


Also found in: Dictionary, Thesaurus, Medical.
Related to natural radioactivity: nuclear fission, artificial radioactivity

natural radioactivity

[′nach·rəl ‚rād·ē·ō·ak′tiv·əd·ē]
(nucleonics)
Radioactivity exhibited by naturally occurring radionuclides.
References in periodicals archive ?
10] A A Shanbhag, S J Sartandel, T V Ramachandran and V D Puranik Natural Radioactivity content in beach sands of Ratnagiri coast Maharashtra, Environmental Geo chemistry, vol.
Natural radioactivity and gamma dose from Sri Lankan clay bricks used in building construction.
Radiation Dose Assessments for Materials with Elevated Natural Radioactivity.
This rule will cause small municipal water systems, mining, as well as other entities using water containing trace amounts of natural radioactivity, to become federally-controlled "radiation facilities.
Measurement of natural radioactivity concentrations in collected soil samples Estrambuli located in the Mediterranean Sea and the relationship of their distribution model and the magnetic field (Of course, the simultaneous use of this methods and other techniques[14].
Statistical correlations between atmospheric natural radioactivity and local meteorological parameters Correlation analysis was the statistical method used in testing the level of association between the radon concentrations and the meteorological parameters recorded at same place.
Researchers calculated a maximum and minimum age for the teeth based on measurements of minute amounts of radioactivity that the teeth had absorbed while buried and on estimates of periodic fluctuations in natural radioactivity levels in the cave soil.
This fundamental force is responsible for some forms of natural radioactivity and for the production of neutrinos in nuclear fusion reactions.
Radiocarbon dating of 56 carbonized plant specimens and independent analyses of natural radioactivity accumulation in the sediment indicate that people visited the cave regularly from around 11,200 to 10,000 years ago, Roosevelt and her colleagues report in the April 19 Science.
The technique gauges a specimen's natural radioactivity as well as sources of the radiation, such as uranium and thorium.
The natural radioactivity of the material is determined, as well as the sources of the radioactivity, such as uranium and thorium.
Radiation became a tool in medical therapy almost as soon as natural radioactivity was discovered.

Full browser ?