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Modeling of radon exhalation from soil influenced by environmental parameters [PDF]

open access: yesScience of the Total Environment, 2019
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
Hannah Busen   +2 more
exaly   +2 more sources
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Exhaled Biomarkers

Chest, 2006
Assessing airway and lung inflammation is important for investigating the underlying mechanisms of asthma and COPD. Yet these cannot be measured directly in clinical research and practice because of the difficulties in monitoring inflammation. Noninvasive monitoring may assist in early recognition of asthma and COPD, assessment of its severity, and ...
Sergei A, Kharitonov, Peter J, Barnes
openaire   +2 more sources

Standardization and difficulties of the thoron exhalation rate measurements using an accumulation chamber [PDF]

open access: yesRadiation Measurements, 2008
Standardization of the thoron exhalation measurements is important for the intercomparison of the results among different laboratories. There are a few important distinctions between thoron (Rn-220) and radon (Rn-222) exhalation measurements using an ...
P Ujic, I Celikovic
exaly   +2 more sources

Exoskeletons and Exhalation

New England Journal of Medicine, 2007
Chitin — the second-most abundant biologic polymer, after cellulose — is a tough, cross-linked polysaccharide (see Figure 1) found in the exoskeleton of insects and crustaceans, the cell wall of fungi, and the pharynx, microfilarial sheath, and egg of parasitic worms (helminths).
openaire   +2 more sources

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