TY JOUR TI Problems and Prospects in the Field of Ionizing Radiation Measuring Instruments Testing for Type Approval KW ensuring the uniformity of measurements KW tests for the type approval KW harmonized standards KW national standards KW metrological characteristics KW measurement standards KW hierarchy scheme JO ANRI AU Shil'nikova, T.I. AU Alekseev, I.V. AU Arshanskiy, S.M. AU Domarackiy, V.P. AU Zhukov, G.V. AU Moiseev, N.N. AU Oborin, A.V. PY 2022 IS 0 PB Scientific-Production Enterprise “Dosa”