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النتائج 1 - 12 من 77 نتيجة Found 77 Standards
GSO ASTM D6245:2021
ASTM D6245:2018 
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
CEN ISO/TS 11665-12:2021
 
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 (ISO/TS 11665-12:2018)
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
EN 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 11665-2:2019)
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