using a combination of several sources, e.g. a neutron and a gamma source

Introduced: January 1980

Last revised: January 2006

Full Title

Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity > specially adapted for well-logging > using primary nuclear radiation sources or X-rays > using a combination of several sources, e.g. a neutron and a gamma source

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS