Results 71 to 80 of about 586 (176)

Radon exhalation and emanation assessments in the Transdanubian Central Mountain in Hungary

open access: yesRadiation Medicine and Protection
Objective: To determine the radium-226 activity concentration, the massic radon exhalation rate and emanation factor of 55 soil samples from the Central Transdanubian Mountains in Hungary as well as possible radon exhalation hotspots in the sampling area
Maté Novák   +6 more
doaj   +1 more source

High-resolution spatiotemporal mapping of soil radon exhalation in China combining remote sensing and machine learning

open access: yesEnvironment International
Radon (Rn), primarily generated via radium (Ra) decay in soil and exhaled across the soil–air interface, is a key source for natural ionizing radiation exposure.
Yupan Zhang   +3 more
doaj   +1 more source

Measuring the Real Radon Exhalation from Walls in Buildings

open access: yesMeasurement
Building materials may significantly contribute to indoor radon activity concentration. Measuring the radon exhalation rate directly on the existing building elements represents the most accurate and reliable method to assess the building materials’ contribution.
Christian Di Carlo   +8 more
openaire   +1 more source

Exhalation rate of radon-222 from concrete and cement mortar

open access: yesNukleonika, 2018
The main sources of radon in the air of dwellings are soil, building materials, and groundwater. This study aimed to determine the exhalation rate of 222Rn from samples made of concrete and cement mortars, as well as to evaluate by means of gamma ...
Perna Allan Felipe Nunes   +6 more
doaj   +1 more source

Characteristic parameters and radon exhalation rates of aerated concrete blocks

open access: yesRadiation Medicine and Protection
Objective: To understand the characteristic parameters and radon exhalation rates of aerated concrete blocks. Methods: A total of 39 nationally inspected samples were measured.
Yanchao Song   +5 more
doaj   +1 more source

Radon, Concrete, Buildings and Human Health—A Review Study

open access: yesBuildings
A comprehensive evaluation of the results obtained according to the measurement of radon gas in buildings and concrete, which is the most consumed material in the world after water, in accessible studies carried out in the last 40 years is the main ...
H. Alperen Bulut, Remzi Şahin
doaj   +1 more source

Determination of Radon Exhalation Rates from Tiles (Marble, Granite and Ceramic) Using LR115 Type II Passive Technique

open access: yesمجلة علوم ذي قار, 2019
Exhalation of 222Rn, ?-radioactive inert gas, is associated with the presence of 226Ra and it's ultimate precursor uranium in the earth crust. It is a useful quantity to compare the relative importance of different materials of tiles (marble, granite and
H Bakr
doaj  

Radon exhalation rate and natural radioactivity in the building materials used in metropolitan Jakarta and its surrounding areas, Indonesia. [PDF]

open access: yesFront Public Health
Nugraha ED   +16 more
europepmc   +1 more source

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