Results 21 to 30 of about 4,647,046 (244)

Theoretical evaluation of calibration factor for LR-115 cellulose nitrate solid state nuclear track detectors: A model for determining alpha radioactivity level in natural water

open access: yesRadiation Protection and Environment, 2022
Alpha-sensitive solid-state nuclear track detectors (SSNTDs) are used successively for decades for determining the alpha-radiation level in various environmental materials.
Biswajit Das, Argha Deb
doaj   +1 more source

Mobile Gamma Spectrometry Survey of the Scottish Enterprise Technology Park, East Kilbride, 17th-19th August 2009 [PDF]

open access: yes, 2010
<p>Environmental radioactivity arises from natural geological sources, the redistribution of natural activity through industrial processes, the nuclear industry including routine and accidental discharges into the environment, and various medical ...
Sanderson, D.C.W.   +3 more
core   +5 more sources

Dose rates evaluation of some granitic rocks from the Paraná State

open access: yesBrazilian Journal of Radiation Sciences, 2021
Granitic rocks, widely used as building materials, are known to contain natural radionuclides and can be an important source of radiation for the population.
Ademar de Oliveira Ferreira   +1 more
doaj   +1 more source

Natural Radioactivity Measurements and Radiation Dose Estimation in Some Sedimentary Rock Samples in Turkey

open access: yesScience and Technology of Nuclear Installations, 2014
The natural radioactivity existed since creation of the universe due to the long life time of some radionuclides. This natural radioactivity is caused by γ-radiation originating from the uranium and thorium series and 40K.
I. Akkurt, K. Günoğlu
doaj   +1 more source

Measurements of natural radioactivity in historical glasses [PDF]

open access: yes, 2000
Natural radioactive components of historical glasses and two methods of the respective measurement of the radioactivity are discussed. The evaluation of radioactivity of glass objects using a Geiger-Müller counter and high-resolution gamma ray ...
Kierzek, Joachim   +2 more
core   +1 more source

Environmental evaluation of radioactivity levels and associated radiation hazards in groundwater around the WIPP site

open access: yesEcotoxicology and Environmental Safety, 2022
Groundwater may contain radioactive substances which can be dangerous to human health. Concentrations of natural radionuclides polonium (Po), thorium (Th), uranium (U), and radium (Ra) isotopes were measured in groundwater samples collected from ...
Rong He   +4 more
doaj   +1 more source

Determination of lead and radioactivity in cosmetics products: Hazard assessment [PDF]

open access: yesNuclear Technology and Radiation Protection, 2015
In the proposed work, an investigation on hazard assessment by lead element and natural radioactivity in cosmetic samples collected from various countries is presented. These samples were face powder, eyebrow paint and henna. The lead element in
Medhat Moustafa E.   +2 more
doaj   +1 more source

Characteristics of Natural Background Radiation in the Polkowice-Sieroszowice Mine, Poland

open access: yesEnergies, 2021
Natural radioactivity in underground locations is the main parameter for the safety of work (occupational hazards) and for the success of experiments in physics or biology requiring unique conditions.
Katarzyna Szkliniarz   +12 more
doaj   +1 more source

Natural radioactivity in lignites and lignite ash: Final report [PDF]

open access: yes, 1987
Natural radioactivity in a Texas lignite field and in leachates from lignite ash from power plants was measured. The radioactivity concentrations found (4 ppM uranium in the lignite, 16 ppM uranium in the lignite ash, and a few picocuries of natural ...
Greiner, N. R., Wagner, P.
core   +1 more source

The impact of natural removal on the release of nuclides into the containment after accident

open access: yesInternational Journal of Advanced Nuclear Reactor Design and Technology
The natural removal coefficient directly affects the amounts of radioactive iodine and aerosols released into the containment after the accident.
Haiying Chen   +4 more
doaj   +1 more source

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