Results 81 to 90 of about 943 (203)

Differentiating Pulmonary Nodule Malignancy Using Exhaled Volatile Organic Compounds: A Prospective Observational Study

open access: yesCancer Medicine, Volume 14, Issue 1, January 2025.
ABSTRACT Background Advances in imaging technology have enhanced the detection of pulmonary nodules. However, determining malignancy often requires invasive procedures or repeated radiation exposure, underscoring the need for safer, noninvasive diagnostic alternatives.
Guangyu Lu   +11 more
wiley   +1 more source

Measurement of radon exhalation rates from some building materials used in Serbian construction [PDF]

open access: yes, 2015
© 2014, Akadémiai Kiadó, Budapest, Hungary. The rates of radon exhalation from building materials available on the Serbian market were measured using RAD7 device. Fitting the growth curves of radon activity concentration provided the information on radon
Stajić, Jelena, Nikezic, Dragoslav
core   +1 more source

Measurement of radioactive nuclides present in soil samples of district Ganderbal of Kashmir Province for radiation safety purposes

open access: yesJournal of Radiation Research and Applied Sciences, 2015
Assessment of radioactive elements in the residential area is very important from different points of view especially for human health. The aim of present survey was focused on determining the current radon exhalation rate and radium concentration in ...
Feroz A. Mir, Sajad A. Rather
doaj   +1 more source

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

Outdoor 222Rn behaviour in different areas of Slovakia

open access: yesNukleonika, 2016
Radon activity concentration (RAC) in the outdoor atmosphere was monitored in four localities of Slovakia. The distance between the localities were up to 130 km. The localities had a diverse orography, ranging from flatland to hilly terrain.
Holý Karol   +4 more
doaj   +1 more source

Investigation of the radon exhalation rate: an influence of humidity and a grain size [PDF]

open access: yes, 2017
U radu je merena ekshalacija radona iz bigra iz Niške Banje poznatom po povišenoj koncentraciji 226Ra. Bigar zbog svoje velike poroznosti i visoke koncentracije radijuma je idealan materijal za testiranje parametara od kojih zavisi brzina ekshalacije ...
Ujić, Predrag   +5 more
core  

A study of the natural radioactivity and radon exhalation rate in some cements used in India and its radiological significance

open access: yesJournal of Radiation Research and Applied Sciences, 2016
The presence of natural radioactivity and radon exhalation from building materials contribute to the radiation dose received by human. So, it is essential to evaluate the activity levels of the primordial radionuclides (238U, 226Ra, 232Th and 40K ...
Nisha Sharma   +3 more
doaj   +1 more source

Accurate measurement of the radon exhalation rate of building materials using the closed chamber method [PDF]

open access: yes, 2012
The construction department of the Chinese government is now discussing the possibility of reducing indoor radon exposure through controlling the radon exhalation rate of building materials.
Shi, Zhilan   +5 more
core   +1 more source

Surface Radon Exhalation Rates of Building Material and Soil Affect on Indoor Air Radon Concentration [PDF]

open access: yes, 2011
By using RAD7 professional radon monitor which detecting data is reliable, selecting a one-story cottage in Shenzhen city area as the research object, the measurement results showed the radon concentration in the soil around the one-story cottage area ...
Wang Guosheng   +3 more
core   +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

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