radioactive decay

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Synonyms for radioactive decay

the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation

References in periodicals archive ?
The usefulness of AGRS in geological mapping and mineral exploration depends on two factors: 1) the extent to which radioelement distribution relates to bedrock differences and how this distribution may be modified by mineralizing processes; and 2) the extent to which bedrock radioelement content is reflected in surficial materials that can be spatially related to bedrock sources.
1995): Rock matrix diffusion as a mechanism for radionuclide retardation: natural radioelement migration in relation to the microfractography and petrophysics of fractured crystalline rock.
Radioelement mapping of parts of the Musquodoboit Batholith and Liscomb Complex, Meguma Zone, Nova Scotia.
Another basic interest for the characterization of the water pathways through the rock matrix and the quantifixation of their trajectories through the main rock-forming minerals is based on the potential fluid-solid reactions that can be developed in the rock; those reactions are responsible for radioelement retention by the rock-matrix, because a phenomenon developed on the interface between some rock-forming mineral surfaces and water conductive fissures.
More recently, airborne gamma-ray data, that is, radioelements of potassium (K), uranium (U) and thorium (Th), have been shown to be useful in mapping dryland salinity (Wilford et al.
Il s'agit principalement des radioelements utilises en medecine nucleaire, au developpement de techniques des analyses pour des applications en geologie, mines et environnement.
The UNLV radiochemistry program's capability with radioelements is the basis for numerous collaborations with DOE laboratories, universities, and international laboratories, the officials said.
3 September 2010 - Belgian radioisotopes maker Ion Beam Applications SA (EBR: IBAB) said yesterday that it signed an agreement with French Alternative Energies and Atomic Energy Commission (CEA) andA Belgian National Institute for Radioelements (IRE), to secure the supply ofA Technetium (Tc-99m) beyond 2015.
The effects of traces of radioelements on organs and tissue were investigated by means of determining the massive activity of [gamma]--rays on the zirconia head (11).
1997) noted that areas of NSW's Riverine Plain covered by clay-rich parna were characterised by a strong Th response, whereas an arid area of Western Australia dominated by quartzose aeolian sand had tow concentrations of all 3 radioelements.
The extended agreement also provides for a separate supply of Mo-99 from the Institute for Radioelements (IRE), giving Lantheus access to a reliable and globally diversified supply of Mo-99 for the duration of the extended term.