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Chapter II Interaction of Radioactive Radiation with Matter
PART TWO METHODS OF INDUSTRIAL RADIOLOGY BASED ON THE USE OF RADIOACTIVE RADIATION
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absorbed absorption coefficient alloys aluminium atomic number attenuation barytes beam beta-particles broad-beam calculated capsule centimetres charge cm thick container curie depends detector determined device diameter diminishes disintegration dose rate dose-reduction factor dosimeter duralumin effect electron emitted employed ensure equal Exposure chart exposure set-up fatigue limit film-source distance fluorescent fluorescent screens g/cu cm gamma gamma-beam gamma-graphs gamma-inspection gamma-quanta gamma-radiography gamma-rays gamma-sources grade 30XrCHA steel gram radium equivalent half-life holder increase inspected article inspection unit ionisation chamber irradiation lack of fusion lead foils lead protective length of lack linear absorption coefficient measured method mg radium equivalent neutrons nuclei pair production photoelectric photon protective barrier protective shield radiation dose radiation energy radiation intensity radiation source radioactive isotopes radiographed rays Roentgen X Roentgen XX scattered radiation scintillation counter sections sensitivity shown in Fig silver bromide specific activity specific weight spectrum substance Table tion welds X-ray film xeroradiographic plate