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Physics Background and Radiation Exposure
2010This chapter outlines the physical background of cardiac CT and different scanning approaches including aspects of radiation exposure. Several measures are instrumental for reducing radiation exposure from cardiac CT: prospective ECG triggering of acquisitions, short scan lengths, reduction of tube voltage as much as feasible, and individual adjustment
M. Dewey, J. Geleijns
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The Background to Radiation Theory
1993The origins of most scientific theories go back to pre-scientific observations and speculations, not barring radiation theory, the theory of emission and absorption of radiation, of the conversion of light theory and heat into each other. The exchange between heat and light was known since people rubbed sticks or hit flint in order to make fire ...
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The cosmic background radiation
La Rivista Del Nuovo Cimento Series 3, 1994B Melchiorri +3 more
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