Results 1 to 10 of about 493,079 (334)

A review on natural background radiation. [PDF]

open access: yesAdv Biomed Res, 2013
The world is naturally radioactive and approximately 82% of human-absorbed radiation doses, which are out of control, arise from natural sources such as cosmic, terrestrial, and exposure from inhalation or intake radiation sources.
Shahbazi-Gahrouei D   +2 more
europepmc   +5 more sources

Deinococcus radiodurans UWO298 Dependence on Background Radiation for Optimal Growth. [PDF]

open access: yesFront Genet, 2021
Ionizing radiation is a major environmental variable for cells on Earth, and so organisms have adapted to either prevent or to repair damages caused by it, primarily from the appearance and accumulation of reactive oxygen species (ROS). In this study, we
Castillo H, Li X, Smith GB.
europepmc   +2 more sources

Revisiting cosmic microwave background radiation using blackbody radiation inversion. [PDF]

open access: yesSci Rep, 2021
Blackbody radiation inversion is a mathematical process for the determination of probability distribution of temperature from measured radiated power spectrum.
Konar K, Bose K, Paul RK.
europepmc   +2 more sources

SOURCES OF NATURAL BACKGROUND RADIATION

open access: yesSecurity and Defence Quarterly, 2017
After the major accidents in “Chernobyl” NPP, located on the territory of present-day Ukraine, and then in the USSR in April 1986, in Bulgaria, as well as in most European countries a lack of systems for a continuous measurement of gamma radiation was ...
Nikolay Todorov DOLCHINKOV
doaj   +3 more sources

Radiation fields in the Schwarzschild background [PDF]

open access: greenJournal of Mathematical Physics, 1973
Scalar, electromagnetic, and gravitational test fields in the Schwarzschild background are examined with the help of the general retarded solution of a single master wave equation. The solution for each multipole is generated by a single arbitrary function of retarded time, the retarded multipole moment.
J. Bardeen, William H. Press
openalex   +6 more sources

Background Radiation

open access: green, 1993
We present a short overview on the extragalactic background radiation from radio to X-rays, with an eye to the relation to galaxy formation and emphasizing on astrophysical backgrounds (as opposed to cosmological). As the radio background, the wealth of data on source counts make possible reliable estimations of the contribution from extragalactic ...
G. De Zotti   +4 more
openalex   +4 more sources

Electromagnetic Wave Collapse in a Radiation Background [PDF]

open access: yesPhysical Review Letters, 2003
The nonlinear interaction, due to quantum electrodynamical (QED) effects, between an electromagnetic pulse and a radiation background is investigated, by combining the methods of radiation hydrodynamics with the QED theory for photon-photon scattering.
Lennart Stenflo   +2 more
openaire   +5 more sources

Nonionizing Electromagnetic Irradiations; Biological Interactions, Human Safety [PDF]

open access: yesJournal of Biomedical Physics and Engineering, 2023
Human is usually exposed to environmental radiation from natural and man-made sources. Therefore, it is important to investigate the effects of exposure to environmental radiation, partly related to understanding and protecting against the risk of ...
Hamed Akbari   +3 more
doaj   +1 more source

Chronic Background Radiation Correlates With Sperm Swimming Endurance in Bank Voles From Chernobyl

open access: yesFrontiers in Ecology and Evolution, 2022
Sperm quantity and quality are key features explaining intra- and interspecific variation in male reproductive success. Spermatogenesis is sensitive to ionizing radiation and laboratory studies investigating acute effects of ionizing radiation have ...
Kati Kivisaari   +9 more
doaj   +1 more source

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