Comparison of thoron (220Rn) content and gamma radiation level in high background radiation area of Kollam district in Kerala, India
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-017-5378-8
Abstract: In order to map the thoron prone areas of the coastal region of Kollam district, a well known HBRA of south India, comparative study of radon and thoron exhalation rate was conducted. The in situ… read more here.
Keywords: kollam district; radiation level; exhalation; thoron exhalation ... See more keywords
Experimental study on permeability characteristics and radon exhalation law of overburden soil in uranium tailings pond
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-020-11758-0
Abstract: The permeability characteristics of overburden soil have a significant effect on radon exhalation in uranium tailings pond. To understand this change, the effects of dry density, particle size range, and moisture content on the gas… read more here.
Keywords: radon exhalation; permeability characteristics; overburden soil; exhalation ... See more keywords
Measurement of radon exhalation rate in various building materials and soil samples
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Earth System Science"
DOI: 10.1007/s12040-017-0797-z
Abstract: Indoor radon is considered as one of the potential dangerous radioactive elements. Common building materials and soil are the major source of this radon gas in the indoor environment. In the present study, the measurement… read more here.
Keywords: radon exhalation; building materials; exhalation rate; exhalation ... See more keywords
Human exhalation characterization with the aid of schlieren imaging technique
Sign Up to like & getrecommendations! Published in 2017 at "Building and Environment"
DOI: 10.1016/j.buildenv.2016.11.032
Abstract: Abstract The purpose of this paper is to determine the dispersion and distribution characteristics of exhaled airflow for accurate prediction of disease transmission. The development of airflow dynamics of human exhalation was characterized using nonhazardous… read more here.
Keywords: technique; exhalation characterization; characterization aid; human exhalation ... See more keywords
Influence of the accumulation chamber insertion depth to measure surface radon exhalation rates.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2020.122344
Abstract: A common method to measure radon exhalation rates relies on the accumulation chamber technique. Usually, this approach only considers one-dimensional gas transport within the soil that neglects lateral diffusion. However, this lateral transport could reduce… read more here.
Keywords: insertion depth; method; radon exhalation; exhalation ... See more keywords
A comparison of methods for the determination of the natural radioactivity content and radon exhalation
Sign Up to like & getrecommendations! Published in 2017 at "Radiation Measurements"
DOI: 10.1016/j.radmeas.2017.08.005
Abstract: Abstract In this work a comparison of the activity content and radon exhalation rate of five concrete mixtures is carried out by NRG (NL) and SOREQ (IL) using the measurement standards applicable in the Netherlands… read more here.
Keywords: activity; content radon; radon exhalation; exhalation ... See more keywords
Measurements of radon exhalation from a South African gold mine tailings using sealed tube method
Sign Up to like & getrecommendations! Published in 2021 at "Radioprotection"
DOI: 10.1051/radiopro/2021020
Abstract: To date, approximately 6000 tons of uranium has been disposed of onto tailings dams per year by gold mining activities in South Africa. These uranium bearing tailings dumps contain significant amounts of radium and are… read more here.
Keywords: sealed tube; radon exhalation; measurements radon; gold mine ... See more keywords
Infrared-based visualization of exhalation flows while wearing protective face masks
Sign Up to like & getrecommendations! Published in 2022 at "Physics of Fluids"
DOI: 10.1063/5.0076230
Abstract: Since the onset of the COVID-19 pandemic, a large number of flow visualization procedures have been proposed to assess the effect of personal protective equipment on respiratory flows. This study suggests infrared thermography as a… read more here.
Keywords: visualization; face masks; exhalation; face ... See more keywords
Measurement of FeNO with a portable, electrochemical analyzer using a 6-second exhalation time in 7–10-year-old children with asthma: comparison to a 10-second exhalation
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Asthma"
DOI: 10.1080/02770903.2018.1541350
Abstract: Abstract Objective: Fractional exhaled nitric oxide (FeNO) is a valuable tool for assessing Th2 inflammation in children with asthma. Exhalation times of 6 and 10 s meet the current recommendations for assessing FeNO. The 6-s exhalation… read more here.
Keywords: feno; second exhalation; children asthma; year ... See more keywords
Comparison of radon exhalation rate measurements on reference device in open and closed loop by AlphaGUARD in flow-through mode.
Sign Up to like & getrecommendations! Published in 2023 at "Radiation protection dosimetry"
DOI: 10.1093/rpd/ncad063
Abstract: Radon-222 (Rn-222) exhalation rate is vital for estimating radiation risk from many kinds of materials. AlphaGUARD measures the radon concentration based on the ionization chamber principle, which is currently recognized as a reference instrument to… read more here.
Keywords: radon exhalation; reference; exhalation; exhalation rate ... See more keywords
Slow-Paced Breathing: Influence of Inhalation/Exhalation Ratio and of Respiratory Pauses on Cardiac Vagal Activity
Sign Up to like & getrecommendations! Published in 2021 at "Sustainability"
DOI: 10.3390/su13147775
Abstract: Slow-paced breathing has been shown to enhance the self-regulation abilities of athletes via its influence on cardiac vagal activity. However, the role of certain respiratory parameters (i.e., inhalation/exhalation ratio and presence of a respiratory pause… read more here.
Keywords: respiratory; cardiac vagal; exhalation; inhalation ... See more keywords