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gamma-ray radiation levels

Gamma ray spectrometric analysis of sand samples from selected beaches on coastline of Kenya

Gamma ray spectrometric analysis of sand samples from selected beaches on coastline of Kenya

... elevated levels of naturally occurring ...background radiation exposure to the public for a long time can lead to some of the radiation health effects like acute leucopoenia, leukemia, cancer and ...

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Investigations of natural radioactivity levels and the possible radiation hazards in floriculture soil, Holeta, Shoa, Ethiopia, using gamma ray spectrometry

Investigations of natural radioactivity levels and the possible radiation hazards in floriculture soil, Holeta, Shoa, Ethiopia, using gamma ray spectrometry

... by gamma spectrometry with an FJ374 scintillation crystal cascaded with electronic circuits and Genie 2000 multichannel analyzer of 4096 ...scattered radiation from the shielding ...kev gamma line ...

6

Evaluation of the Natural Radioactivity Levels and Radiological Assessment of Nuts Commonly Consumed in Ile-Ife, South West, Nigeria

Evaluation of the Natural Radioactivity Levels and Radiological Assessment of Nuts Commonly Consumed in Ile-Ife, South West, Nigeria

... the gamma-ray spectrometric study, the samples were homogenized and dried in free air in the laboratory until constant weight was ...the gamma- ray spectrometer located at the Department of ...

5

Assessment of Ingestion Dose and Lifetime Cancer Risk through Marine Food Samples of South West Coast of Kerala

Assessment of Ingestion Dose and Lifetime Cancer Risk through Marine Food Samples of South West Coast of Kerala

... environmental radiation through inhalation of dusts (contaminated with radiation) and gases, ingestion of dusts, soils, water, vegetation, fish or meat and absorption of direct radiation from ...

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Assessment of Terrestrial Radioactivity Distribution in Olkaria Geothermal Field, Kenya Solomon Namaswa 1, Nicholas Mariita1 , Douglas Onyancha 2and Judith Kananu3

Assessment of Terrestrial Radioactivity Distribution in Olkaria Geothermal Field, Kenya Solomon Namaswa 1, Nicholas Mariita1 , Douglas Onyancha 2and Judith Kananu3

... natural radiation is considered critical during earth processes since the gradual disintegration of naturally occurring radioactive elements account for almost half of the energy that brings about volcanology ...

7

The radio/gamma-ray connection from 120 MHz to 230 GHz

The radio/gamma-ray connection from 120 MHz to 230 GHz

... of gamma-ray catalogues; they made up about one half of the historical EGRET third catalogue [17], and nearly 40% of the third Fermi Large Area Telescope (LAT) catalogue [3FGL, 3], the largest and most ...

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Detailed Study of Radon Spatial Anomaly in Tlamacas Mountain Area, Volcano Popocatepetl, Mexico

Detailed Study of Radon Spatial Anomaly in Tlamacas Mountain Area, Volcano Popocatepetl, Mexico

... and gamma ray spectrometry revealed intensive radon and gamma ray emanation located in the area of Tlamacas Mountain; the radon concentrations in the Tlamacas area were 10 - 20 times greater ...

7

Study of Persistent and Flaring Gamma-Ray Emission from Active Galactic Nuclei with the MAGIC Telescopes and Prospects for Future Open Data Formats in Gamma-Ray Astronomy

Study of Persistent and Flaring Gamma-Ray Emission from Active Galactic Nuclei with the MAGIC Telescopes and Prospects for Future Open Data Formats in Gamma-Ray Astronomy

... low gamma-ray ...in gamma rays over outbursts of their activity, in this case the acceleration ad radiation processes appear to produce a persistent emission that can be detected up to ...

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Highlights from the COS-B mission

Highlights from the COS-B mission

... in gamma rays, as well as the indication for polarized gamma-ray emission from the Vela pulsar /49/ and the variation of the hard X-ray spectra with phase for the Crab ...the gamma rays ...

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Determination of Natural Radioactivity and Radiological Hazards of 226Ra, 232Th, and 40K in the Grains Available at Penang Markets, Malaysia, Using High-purity Germanium Detector

Determination of Natural Radioactivity and Radiological Hazards of 226Ra, 232Th, and 40K in the Grains Available at Penang Markets, Malaysia, Using High-purity Germanium Detector

... Njinga, R.L., Jonah, S.A., and Gomin, M. 2015. Preliminary investigation of naturally occurring radionuclides in some traditional medicinal plants used in Nigeria. Journal of Radiation Research and Applied ...

7

Yang_et_al-2019-Advanced_Materials.pdf

Yang_et_al-2019-Advanced_Materials.pdf

... without gamma- rays, and then turned on the gamma-rays to find out the reason for the initial burn-in ...when gamma-rays were turned on, obvious performance degradation shows up imme- ...After ...

7

Less radiation in a radiology department than at home

Less radiation in a radiology department than at home

... groups of workers of (beforehand) unknown size were assumed: one group that merely received external natural radiation, and one that was additionally exposed to x-rays. The number of exposed persons in the ...

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Medium-Energy Gamma-Ray Astrophysics with the 3-DTI Gamma-Ray Telescope

Medium-Energy Gamma-Ray Astrophysics with the 3-DTI Gamma-Ray Telescope

... he first major full-sky survey in medium-energy (0.4 to 30 MeV) gamma-ray astrophysics was made with the COMPTEL instrument on the Gamma Ray Observatory from April 5, 1991 to June 4, 2000. The ...

7

Gamma-Ray Dose Measurement with Radio-Photoluminescence Glass Dosimeter in Mixed Radiation Field for BNCT

Gamma-Ray Dose Measurement with Radio-Photoluminescence Glass Dosimeter in Mixed Radiation Field for BNCT

... and gamma-rays exist, it is known that it is difficult to measure each radiation dose separately, because the detectors have sensitivity to both of ...since gamma-rays are also existing, it is very ...

9

Study of the Radiological Doses in Karbala city

Study of the Radiological Doses in Karbala city

... the levels of radiological doses in the soil samples collected from different locations in Kerbala city, ...and gamma-ray spectroscopy system with NaI (Tl) ...absorbed gamma-ray dose ...

6

Python for gamma-ray astronomy

Python for gamma-ray astronomy

... To allow morphology and spectral fitting of TeV sources with Gammapy we use the established X-ray modelling and fitting package Sherpa [5]. Sherpa allows interactive and scripted fitting of data sets with various ...

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On the Gamma Ray Bursts Origin

On the Gamma Ray Bursts Origin

... burst radiation, characterized by the standard deviation of ±1% in intensity in relative units within the sensitivity of the ...lactic gamma-ray angular anisotropy axis has following Galactic ...

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Future Gamma-Ray Missions

Future Gamma-Ray Missions

... • Laue Lenses with Compton detector focal plane tested & ‘ready’ • Fresnel lenses offer the potential of 10 -9 ph/cm 2 s line sensitivities,. but require novel mission technologies ([r] ...

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Fungus-mediated synthesis of silver nanoparticles and evaluation of antitumor activity

Fungus-mediated synthesis of silver nanoparticles and evaluation of antitumor activity

... high levels of apoptosis and necrosis. Silver nanoparticles are capable of adsorbing cytosolic proteins on their surface that may influence the function of intracellular factors. Moreover, downregulation of genes ...

7

Gamma-Ray Burst Progenitors

Gamma-Ray Burst Progenitors

... As with long GRBs, the discovery of afterglows to short GRBs has revolutionised their study. Perhaps the most important diagnostic enabled by an afterglow is a precise location on the sky, and hence the ability to study ...

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