Results 31 to 40 of about 31,712 (291)

Radon exhalation rates from common building materials in India: Effect of back diffusion [PDF]

open access: yesNuclear Technology and Radiation Protection, 2016
A radon exhalation study for building materials was carried out by closed accumulator technique using plastic track detector LR-115 type-II, taking into account the effect of back diffusin.
Kumar Amit, Chauhan Pal Rishi
doaj   +1 more source

Magic Exhalation

open access: yes, 2022
Magic Exhalation - Unique Personalized Gifts To Make Everyone Feel Happy & Satisfied Personalized and Unique Sympathy Gifts, Anniversary Gifts, Wedding Gifts, Baby Gifts, Birthday Gifts, and Family Gifts from canvas, posters to blankets, mug and wallet.
magicexhalation
core   +1 more source

Estimation of natural radionuclide and exhalation rates of environmental radioactive pollutants from the soil of northern India

open access: yesNuclear Engineering and Technology, 2020
The estimation of radioactivity level is vital for population health risk assessment and geological point of view and can be evaluated as rate of exhalation and source concentration (226Ra, 232Th and 40K).
Vandana Devi, Rishi Pal Chauhan
doaj   +1 more source

Soil radon exhalation rate measurement in Duhok city by two techniques [PDF]

open access: yesNuclear Technology and Radiation Protection, 2022
Radon exhalation rate is the rate of radioactive radon gas that escapes from the soil into the atmosphere. In this study exhalation rate of radon was measured for 33 samples of soil, in four districts of Duhok province, using two different ...
Alhamdi Walat A.H., Abdullah M-S Khairi
doaj   +1 more source

222Rn Exhalation Rates from Some Granite and Marble Used in Korea: Preliminary Study

open access: yesAtmosphere, 2021
The objective of this study was to establish a test method for assessing radon exhalation rates from building materials considering radon related environmental policy and research in Korea.
Hyewon Lee   +3 more
doaj   +1 more source

Airborne particle dispersion by high flow nasal oxygen: An experimental and CFD analysis.

open access: yesPLoS ONE, 2022
High Flow Nasal Oxygen (HFNO) therapy offers a proven means of delivering respiratory support to critically ill patients suffering from viral illness such as COVID-19.
Caroline Crowley   +4 more
doaj   +2 more sources

Modeling of radon exhalation from soil influenced by environmental parameters.

open access: yes, 2018
Atmospheric radioactive noble gas radon (Rn-222) originates from soil gas exhaled in the atmospheric surface layer. Radon exhalation rates from soil as well as corresponding meteorological and soil parameters were recorded for two subsequent years. Based
Guo, Q.   +17 more
core   +2 more sources

Evaluation of Exhalation Valves [PDF]

open access: yesThe Annals of Occupational Hygiene, 2005
Certification tests currently employed by some industrialized nations to certify respirators require that when challenged with air flow at a constant suction head of 25 mmH2O, the leakage into the facepiece from the exhalation valve(s) should not exceed 30 ml min(-1).
KUO, YU-MEI   +5 more
openaire   +2 more sources

Thoron emanation and exhalation of Slovenian soils determined by a PIC detector-equipped radon monitor

open access: yesNukleonika, 2016
The health risk from thoron (Rn-220) is usually ignored owing to its short half-life (55.6 s), but the generated thoron decay products can cause a significant dose contribution.
Jónás Jácint   +5 more
doaj   +1 more source

Measurement of radon exhalation from building materials [PDF]

open access: yes, 2017
Prikazan je pregled najnovijeg gama metoda za merenje ekshalacije radona iz građevinskih materijala, koji pored ekshalacije omogućava merenje faktora emanacije i merenje difuzione dužine radona u datom materijalu, što nije moguće u standardnim ...
Pantelić, Gordana K.   +9 more
core   +5 more sources

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