RADIATION, APPLICATIONS OF RADIATION, DETECTION AND MEASUREMENT OF IONIZING RADIATION
IONIZING RADIATION
Radiation is the energy emitted by matter in the form of rays or particles.
We distinguish :
non-ionizing radiation, including white light, radiant heat, radio waves, radar waves, etc.;
ionizing radiation, the main ones being X-rays, gamma radiation, neutrons, protons, alpha and beta particles, etc.
Applications of ionizing radiation
Ionizing radiation is radiation capable of ionizing matter, it is emitted by the cosmos, the earth, GRX and radioactive sources.
Ionizing radiation has many applications in medicine, agriculture, industry, mining, oil prospecting and exploitation, teaching and research.
APPLICATION MÉDICALE : ARCEAU DU BLOC OPÉRATOIRE UTILISANT UN GRX
APPLICATION INDUSTRIELLE : PROJECTION DE SOURCE POUR LA RADIOGRAPHIE INDUSTRIELLE
(CONSERVATION DES SEMENCES PAR IRRADIATION GAMMA)
SOURCES RADIOACTIVES SERVANT D’ÉTALONS POUR DES SYSTÈMES DE DÉTECTION DANS L’ENSEIGNEMENT ET LA RECHERCHE
Types of radiation and penetrating power
There are five (05) main types of ionizing radiation: alpha particles, beta particles, X-rays, gamma rays and neutrons.
The penetrating power of ionizing radiation is illustrated below :
Détection et mesure des rayonnements
Ionizing radiation is colorless, odorless, tasteless and insensitive. Its detection and measurement are done using detector equipment. There are several types of detectors, including counters that measure the radiation flux in counts per second (cps), survey meters that measure dose rates in microSieverts per hour. Portable spectrometers that measure radiation and identify the nature of the source.
COMPTEUR (MESURE LE NOMBRE DE COUP EN CPS)
RADIAMÈTRE (MESURE LE DÉBIT DE DOSE EN MICRO SIEVERT PAR HEURE)
