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Towards ending tuberculosis in South Africa: an uncertainty analysis of the programmes and factors most critical to future declines. [PDF]
Glob Health ActionJohnson LF +7 more
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Experimental Investigation of Mechanical Performance and Gamma Radiation Shielding of Hybrid Magnetite-Dolomite High-Density Concrete. [PDF]
Materials (Basel)Waseem MB +6 more
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Assessment of the Environmental Impact of Uranium Mining Sites: A Case Study of a Uranium Deposit in Southern Kazakhstan. [PDF]
ToxicsKrasnopyorova M +8 more
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Novel directional detector for radioactive material search and monitoring. [PDF]
Sci RepPeräjärvi K, Bogdanoff V.
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Directional Detector of Gamma Ray Sources
Health Physics, 1996This work describes the design, development, and characterization of an ionization chamber to detect and locate gamma ray sources with intensities down to 100 mu Gy h(-1). The results show that sources of x ray and gamma radiation in the energy range of 14 to 1,250 keV can be located.
S, Kronenberg +3 more
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Space Science Reviews, 1983
Various models are examined, which could give rise to point-like gamma-ray sources, at the present time indistinguishable, experimentally, from true point sources. These models involve energetic processes associated with interstellar clouds, e.g. supernova-cloud interactions, neutron star accretion inside interstellar clouds, cloud collisions, etc. The
G. E. Morfill, G. Tenorio-Tagle
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Various models are examined, which could give rise to point-like gamma-ray sources, at the present time indistinguishable, experimentally, from true point sources. These models involve energetic processes associated with interstellar clouds, e.g. supernova-cloud interactions, neutron star accretion inside interstellar clouds, cloud collisions, etc. The
G. E. Morfill, G. Tenorio-Tagle
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Science, 2000
Relativistic outflows or "jets" are collimated streams of high-energy electrons that emit synchrotron radiation at radio wavelengths and have bulk velocities that are a substantial fraction of the speed of light. They trace the outflow of enormous amounts of energy and matter from a central supermassive black hole in distant radio galaxies.
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Relativistic outflows or "jets" are collimated streams of high-energy electrons that emit synchrotron radiation at radio wavelengths and have bulk velocities that are a substantial fraction of the speed of light. They trace the outflow of enormous amounts of energy and matter from a central supermassive black hole in distant radio galaxies.
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AIP Conference Proceedings, 2001
Several TeV sources γ-rays have been detected in the past decade, and others have been proposed. They can be divided into three main categories: galactic, extra-galactic, and exotic. Here I review the two former categories, which contain the sources which have been observed, with discussions of the source characteristics and the physical mechanisms by ...
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Several TeV sources γ-rays have been detected in the past decade, and others have been proposed. They can be divided into three main categories: galactic, extra-galactic, and exotic. Here I review the two former categories, which contain the sources which have been observed, with discussions of the source characteristics and the physical mechanisms by ...
openaire +2 more sources