DIN EN ISO 20785-1-2021 民用飞机曝露于宇宙辐射的放射量测定. 第1部分: 测量的概念基础(ISO 20785-1-2020); 德文版本EN ISO 20785-1-2020
Dosimetry for exposures to cosmic radiation in civilian aircraft - Part 1: Conceptual basis for measurements (ISO 20785-1:2020); German version EN ISO 20785-1:2020
This Standard is intended for the use of primary and secondary calibration laboratories for ionizing radiation, by radiation protection personnel employed by governmental agencies, and by industrial corporations concerned with the determination of ambient dose equivalent for airc