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جاري تصفية النتائج، الرجاء الانتظار...
ISO 20044:2022
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: aerosol particles — Test method using sampling by filter media
GSO ASTM D6245:2021
ASTM D6245:18
مواصفة قياسية خليجية
الدليل القياسي لاستخدام تركيزات ثاني أكسيد الكربون لتقييم جودة الهواء الداخلي والتهوية
ISO 11665-4:2021
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 4: Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis
ISO 11665-6:2020
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 6: Spot measurement methods of the activity concentration
ISO 11665-5:2020
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 5: Continuous measurement methods of the activity concentration
ISO 4225:2020
مواصفة قياسية دولية
Air quality — General aspects — Vocabulary
ISO 11665-3:2020
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 3: Spot measurement method of the potential alpha energy concentration of its short-lived decay products
ISO 11665-9:2019
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: Radon-222 — Part 9: Test methods for exhalation rate of building materials
ISO 11665-2:2019
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 2: Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products
ISO 11665-8:2019
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 8: Methodologies for initial and additional investigations in buildings
ISO 11665-1:2019
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 1: Origins of radon and its short-lived decay products and associated measurement methods
ISO/TS 11665-12:2018
مواصفة قياسية دولية
Measurement of radioactivity in the environment — Air: radon-222 — Part 12: Determination of the diffusion coefficient in waterproof materials: membrane one-side activity concentration measurement method