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tracer

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tracer

Med any radioactive isotope introduced into the body to study metabolic processes, absorption, etc., by following its progress through the body with a gamma camera or other detector
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

tracer

[′trā·sər]
(chemistry)
A foreign substance, usually radioactive, that is mixed with or attached to a given substance so the distribution or location of the latter can later be determined; used to trace chemical behavior of a natural element in an organism. Also known as tracer element.
(engineering)
A thread of contrasting color woven into the insulation of a wire for identification purposes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Radio tracers are particularly prepared to perform a certain task.
The Tracer's chassis geometry is inclined towards stability rather than quick response and it's a well-suited balance with the long travel suspension.
As each tracer estimates the same soil ingestion behavior, high inter-tracer consistency in soil ingestion values would be expected if each tracer reliably estimated soil ingestion (Calabrese et al.
Tracer pebbles were filled with iron and coated with paraffin.
To determine the amount of tracer injected into the flow that can generate a minimum detectable concentration in the spectrofluorometer and conductivity meter, a simulation was first made using the Gaussian analytic solution of the diffusion-advection equation.
The indoor tracer would be compared to the concentrations of the PFTs released outdoors.
The inexpensive device simply snaps onto a gas meter incoming service line, protecting the “locating” tracer wire from getting, cut, torn out, lost or damaged.
The current management is also working on processing the payments of those service providers/training institutes in 9 districts of Khyber Pakhtunkhwa where Tracer Study has been completed.
Dr Shangula said that the main purpose of the Tracer Study was to gain information on the current employment and economic status of the graduates and their assessment of the relevance and quality of their education within their work context.
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