| primary radiation |
Radiation that emanates from a radiation source or target and passes through the radiation source assembly via a collimator or other beam shaping device. A synonym for primary beam.
출처: www.hc-sc.gc.ca/hecs-sesc/ccrpb/publication/safety...
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| primary radiation |
Radiation which travels along a straight line, without scatter, from the source to the detector.
출처: www.ndt.net/article/az/rt/rt.htm
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| primary radiation barrier |
A wall or partition that shields the radiographer and others from direct exposure to x-rays. It must be capable of adequate lead equivalency to reduce the maximum possible x-ray beam strength to the level of background
출처:
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