
Measurement of radioactivity in the environment — Air: radon-222 — Part 5:Continuous measurement methods of the activity concentration
出版:International Organization for Standardization

专家解读视频
This document describes continuous measurement methods for radon-222.
EN ISO 11665-5:2020 - Identical
DS/ISO 11665-5:2020 - Identical
I.S. EN ISO 11665-5:2020 - Identical
DS/EN ISO 11665-5:2020 - Identical
NEN-EN-ISO 11665-5:2020 - Identical
UNE-EN ISO 11665-5:2020 - Identical
UNI EN ISO 11665-5:2020 - Identical
BS EN ISO 11665-5:2020 - Identical