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dosimeter
A radiation dosimeter is a device that measures exposure to ionizing radiation. It has two main uses: for human radiation protection and for measurement of dose in both medical and industrial processes.〔http://iopscience.iop.org/0031-9155/59/20/R303/article〕〔Advances in kilovoltage x-ray beam dosimetry in http://dx.doi.org/10.1088/0031-9155/59/6/R183〕〔Polymer gel dosimetry review in http://dx.doi.org/10.1088/0031-9155/55/5/R01〕
==Personal dosimeters〔phd1〕==
The personal ionising radiation dosimeter is of fundamental importance in the disciplines of radiation dosimetry and radiation health physics and is primarily used to estimate the radiation dose deposited in an individual wearing the device.
Ionising radiation damage to the human body is cumulative, and is related to the total dose received, for which the SI unit is the sievert. Workers exposed to radiation, such as radiographers, nuclear power plant workers, doctors using radiotherapy, those in laboratories using radionuclides, and HAZMAT teams are required to wear dosimeters so a record of occupational exposure can be made. Such devices are known as "legal dosimeters" if they have been approved for use in recording personnel dose for regulatory purposes.
Dosimeters can be worn to obtain a whole body dose and there are also specialist types that can be worn on the fingers or clipped to headgear, to measure the localised body irradiation for specific activities.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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