Radon migration process and its influence factors; review

NM Hassan, M Hosoda, T Ishikawa… - Japanese Journal of …, 2009 - jstage.jst.go.jp
Radon (222Rn) generated within the grains of rocks, soils, building materials and other
materials by the radioactive decay of radium (226Ra) can migrate to the atmosphere. This …

A comprehensive review on sources of radon and factors affecting radon concentration in underground uranium mines

P Sahu, DC Panigrahi, DP Mishra - Environmental Earth Sciences, 2016 - Springer
This paper presents an extensive literature review on the various sources of radon such as
ore body, backfill mill tailings, broken ore and mine water in underground uranium mines …

Modelling uncertainties in the diffusion-advection equation for radon transport in soil using interval arithmetic

S Chakraverty, BK Sahoo, TD Rao, P Karunakar… - Journal of environmental …, 2018 - Elsevier
Modelling radon transport in the earth crust is a useful tool to investigate the changes in the
geo-physical processes prior to earthquake event. Radon transport is modeled generally …

Feasibility for mapping radon exhalation rate from soil in China

K Sun, Q Guo, W Zhuo - Journal of Nuclear science and …, 2004 - Taylor & Francis
Radon exhalation rate from soil is one of the most important factors for evaluation of the
environmental radon level. For rough estimation of the nationwide radon exhalation rate …

Diurnal and seasonal variations of radon (222Rn) and their dependence on soil moisture and vertical stability of the lower atmosphere at Pune, India

NJ Victor, D Siingh, RP Singh, R Singh… - Journal of Atmospheric …, 2019 - Elsevier
Continuous measurements of the concentration of Radon (222 Rn) and its progenies were
made with a Radon detector, RTM 2200, at a tropical site, Pune (18° 31′ N, 73° 55′ E …

[图书][B] Методы измерения плотности потока радона и торона с поверхности пористых материалов

ВС Яковлева - 2011 - elibrary.ru
В монографии систематизированы методы измерения плотности потока радона и
торона с поверхности фунта и других пористых материалов. Приведено подробное …

[PDF][PDF] Responses of the atmospheric concentration of radon-222 to the vertical mixing and spatial transportation

X Chen, J Paatero, VM Kerminen… - Boreal …, 2016 - researchportal.helsinki.fi
Radon-222 (222Rn) is a radioactive noble gas with a half-life of about 3.8 days, which is
naturally exhaled from soil into the atmosphere (eg Pal et al. 2015). It originates from the …

Effect of porosity on evaluation of radon concentration in soil samples collected from Sulaymania governorate, Iraq

NF Salih, MS Aswood… - Journal of Physics …, 2019 - iopscience.iop.org
In this study maximum concentration of radon in different location of soil samples collected
from Sulaymania governorate has been determined depending on the porosity, pores in the …

[HTML][HTML] Sources of radon and its measurement techniques in underground uranium mines–an overview

P Sahu, DC Panigrahi, DP Mishra - Journal of Sustainable Mining, 2014 - Elsevier
Purpose This study aims to identify the potential sources of radon exhalation and its
measurement in underground uranium mines to control the radiation levels within safe limits …

Numerical solution of the diffusion equation describing the flow of radon through concrete SEQ CHAPTER

S Savović, A Djordjevich - Applied Radiation and Isotopes, 2008 - Elsevier
The process of radon diffusion through slabs of concrete with different thicknesses is
investigated. The solution of the relevant diffusion equation is obtained by the explicit finite …