DETECTION UNIT FOR MEASURING BETA- AND GAMMA-RADIATION

摘要

1.u0432u043bu043eu043a detector for measuring the beta and gamma radiation, a detector u0438u0437u043bu0443u0447u0435u043du0438u00a0 with an input window, and a removable filter located in front of him, with u00a0 distinguishes the fact that, in order to u043fu043eu0432u044bu0448u0435u043du0438u00a0 accuracy u0438u0437u043cu0435u0440u0435u043du0438u00a0 beta u0438u0437u043bu0443u0447u0435u043du0438u00a0 in the presence of gamma u0438u0437u043bu0443u0447u0435u043du0438u00a0 by u0443u043cu0435u043du044cu0448u0435u043du0438u00a0 u0434u043eu0437u043eu0432u043eu0439 detector sensitivity to gamma u0438u0437u043bu0443u0447u0435u043du0438 yu in u043du0438u0437u043au043eu044du043du0435u0440u0433u0435u0442u0438u0447u0435u0441u043au043eu0439 areau0438u0437u043bu0443u0447u0435u043du0438u00a0 detector made of u0441u0446u0438u043du0442u0438u043bu043bu0438u0440u0443u044eu0449u0435u0433u043e substances Zj ^ ^ ^ ^ u0437u0444u0444 air entry window is of a material with z eff & & amp; 20, and a removable filter is made of materials rial with 23 ^ s ^ 4 ^, 6.2. block for p.1, u00a0 distinguishes with the u0441u0446u0438u043du0442u0438u043bu043bu0438u0440u0443u044eu0449u0435u0433u043e substance selected u0432u043eu0437u0434u0443 - u0445u043eu044du043au0432u0438u0432u0430u043bu0435u043du0442u043du0430u00a0 u0441u0446u0438u043du0442u0438u043bu043bu0438u0440u0443u044eu0449u0430u00a0 plastic, u0441u043eu0434u0435u0440u0436u0430u0449u0430u00a0 1.7 ^ u0434u0438u0431u0440u043eu043c - benzene entry on the ccw is made from stainless steel with thickness of 20 mg / cm, as well as the material of a removable filter used polyethylene.u043fu0440u0438i (u044fu0438u0437u043eu0431u0440u0435u0442u0435u043du0438u0435 u043eu0442u043du043eu0441u0438u0442u0441u00a0 to dosimetry u0438u043eu043du0438u0437u0438u0440u0443u044e1u0447u0435u0433u043e u0438u0437u043bu0443u0447u0435u043du0438u00a0 and may be used in the measurement of power exhibition dose (dose) of gamma u0438u0437u043bu0443u0447u0435u043du0438u00a0 and t u0430u043au0436u0435 power absorbed by the dose (dose) of beta u0438u0437u043bu0443u0447u0435u043du0438u00a0 as in the presence of gamma or beta u0438u0437u043bu0443u0447u0435u043du0438u00a0, and their u043eu0442u0441u0443u0442u0441u0442u0432u0438u0438.u0438u0437u0432u0435u0441u0442u043du044b u0434u043eu0437u0438u043cu0435u0442u0440u0438u0447u0435u0441u043au0438u0435 devices u043fu0440u0435u0434u043du0430u0437u043du0430 u0434u043bu00a0 received u0438u0437u043cu0435u0440u0435u043du0438u00a0 beta.and gamma radiation, the principle of operation is based on measuring the ionization of gas sensitive sensor of such devices. a common feature of these devices u00a0u0432u043bu00a0u0435u0442u0441u00a0, u0447u0442u043eu0447u0435u043c thickness u043du0441u0447u0444u0438u043bu044cu0442u0440u0430. '^ / 2d (^ p, u0441u0446u0438u043du0442u0438u043bu043bu00a0u0442u043eu0440u0430 where d s - u0442u043eu043bu0449u0438u043du0430u0441u0438, block u0434u0435u0442u0435u043au0442u0438u0440u043eu0432u0430u043du0438u00a0 contains de - tector with bx u043eu0434u043du043eu0435 window, u043fu043eu0437u0432u043eu043bu00a0u044eu0449u0435u0435 u0438u0437u043cu0435u0440u00a0u0442u044c Kak beta - and gamma u0438u0437u043bu0443u0447u0435u043du0438u00a0.u0434u043bu00a0 u0438u0437u043cu0435u0440u0435u043du0438u00a0 only 'gamma - or beta u0438u0437u043bu0443u0447u0435u043du0438u00a0 in their simultaneous presence of u0438u0441u043fu043eu043bu044cu0437u0443u0435u0442u0441u00a0 removable filter disposable in the "window" and u043eu0442u0441u0435u043au0430u044eu0449u0438u0439 _ mon her penetrating the beta radiation and the contribution of beta - or gamma - u0438u0437u043bu0443u0447u0435u043du0438u00a0 u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 on voltage readings of dosimeter with filter and without it.lack of the above 'blocks u0434u0435u0442u0435u043au0442u0438u0440u043eu0432u0430u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 u0431u043eu043bu044cu0448u0430u00a0 error u043au043eu043bu0438u0447u0435u0441u0442u0432u0435u043du043du043eu0439u0441u00bb gs. - tC ^ n80