Health / Medical Topics |
Particle Accelerator
An instrument that uses electric fields to propel charged particles to high speeds and energies. (NCI Thesaurus)
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An object with finite mass and size parameters.
The status of a person in relationship to his participation in a given activity.
The period of time during which a participation in activity continues.
The act of taking part in an activity.
A coded value specifying the kind of organizations planned to participate as study sites for an activity.
An organization associated with the Lead Organization and is active in the conduct of the research.