Results 11 to 20 of about 5,509,012 (200)

Radon exhalation rate and radon activity in soils of riverine environs of South Karnataka

Radiation Protection and Environment, 2018
In the present study, sealed “can technique” using solid-state nuclear track detector (LR-115) films was employed to measure the radon exhalation rate and radium concentration in soil samples of Cauvery river environment.
C S Kaliprasad, Y Narayana
doaj   +2 more sources

Investigation of the influence of chamber construction parameters on radon exhalation rate [PDF]

Nukleonika, 2016
Radon exhalation from ground is a process dependent on the emanation and migration of radon through ambient air. Most studies on radon exhalation from soil were performed regarding the influence of meteorological and soil parameters.
Kozłowska Beata, Mazur Jadwiga, Kozak Krzysztof, Walencik-Łata Agata, Baic Błażej   +4 more
doaj   +3 more sources

Radon Exhalation Patterns in A Dead-end Tunnel

MATEC Web of Conferences, 2016
The regularity of radon exhalation rate in the over-broken granite tunnel is susceptible to weather conditions and ventilation styles. Based on the calculation model of radon exhalation in tunnel, some experiments have been carried out to analyze the ...
Wang Shu Guang, Niu Xiao Bing, Chen Qing, Yang Wei   +3 more
doaj   +3 more sources

RADON EXHALATION RATE OF SOME BUILDING MATERIALS COMMON IN SERBIA [PDF]

RAD Conference Proceedings, 2019
Conference of 6th International Conference on Radiation and Applications in Various Fields of Research, RAD 2018 ; Conference Date: 18 June 2018 Through 22 June 2018; Conference Code ...
Avramović, Dragan, Čeliković, Igor T., Ujić, Predrag, Vukanac, Ivana, Kandić, Aleksandar, Jevremović, Aleksandar M., Antonijević, Dunja, Lončar, Boris B.   +7 more
openaire   +5 more sources

Natural Radionuclides and Radon Exhalation Rate in the Soils of Cauvery River Basin

Air, Soil and Water Research, 2017
In this study, systematic measurement of activity concentrations of 40 K, 226 Ra, and 232 Th and radon exhalation rate has been done in soil samples of Cauvery River environment.
CS Kaliprasad, PR Vinutha, Y Narayana
doaj   +3 more sources

Correction of the radon exhalation rate using the Kalman filtering to reduce measurement errors

Nuclear Engineering and Technology
The RAD7 detector is widely used for measuring the radon exhalation rate from the surfaces of media such as soil, rocks, and building materials. However, during the measurement process, the accuracy of the results is prone to interference due to the ...
Haoyu You, Jianfeng Tang, Zhongkai Fan, Ruomei Xie, Hongzhi Yuan, Yanliang Tan   +5 more
doaj   +2 more sources

Simultaneous measurement of radon exhalation rate and CO2 flux based on accumulation chamber technique with a closed-loop system

Nuclear Engineering and Technology
Carbon dioxide is one of the most important greenhouse gases that contribute to global warming. Radon exhalation rate is an important factor in evaluating environmental radon levels.
Haibo Yi, Chenxi Zu, Jiale Sun, Jiulin Wu, Huiying Li, Zhipeng Liu, Hongbo Xu, Shicheng Luo, Xianfa Mao, Xinyue Yang, Feng Xiao, Hongzhi Yuan, Yanliang Tan   +12 more
doaj   +2 more sources

Assessment of radon/thoron exhalation rate in the soil samples of Amritsar and Tarn Taran district of Punjab state

Radiation Protection and Environment, 2018
In the present study, the radon mass and thoron surface exhalation rates have been measured in the soil samples collected from the villages of the Amritsar and Tarn Taran districts of Punjab using the active portable device, i.e., SMART RnDuo monitor to ...
Manpreet Kaur, Ajay Kumar, Sandeep Kaur, Kawaljit Kaur   +3 more
doaj   +2 more sources

Exhalation rate of radon-222 from concrete and cement mortar [PDF]

Nukleonika, 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, Paschuk Sergei Anatolyevich, Corrêa Janine Nicolosi, Narloch Danielle Cristine, Barreto Rafael Carvalho, Claro Flávia Del, Denyak Valeriy   +6 more
doaj   +3 more sources

Research on the method to measure the average radon exhalation rate of room inner surface

Nuclear Engineering and Technology
In high-rise buildings, radon from building materials is one of the main sources of indoor radon. People spend an average of 80 % of their time indoors every day.
Hongbo Xu, Fen Lin, Shuaibin Liu, Huiying Li, Zhongkai Fan, Ruomei Xie, Xinyue Yang, Xianfa Mao, Shicheng Luo, Chenxi Zu, Feng Xiao, Jia Liu, Yi Liu, Haoyu You, Hao You, Cheng Luo, Hongzhi Yuan, Yanliang Tan   +17 more
doaj   +2 more sources