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6 results for “absorbed dose rate”
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Research ArticleOpen accessIn the keywordsDetermination of Absorbed and Effective Dose from Natural Background Radiation around a Nuclear Research FacilityMuhammad Auwal Musa, Idris Isa Funtua, Simon Peter Malam, Abdullahi Suleiman ArabiProblem statement: This study presents result of outdoor absorbed dose rate and estimated effective dose from the naturally occurring radionuclides 232Th and 238U series 40K, around a Nuclear Research Reactor at the Centre for Energy Research and Training (CERT), Zaria, Nigeria. Approach: A high-resolution in situ γ-ray spectrometry was used to carry out the study. CERT houses a 30Kw Research … …American Journal of Environmental Sciences, Vol. 7, Issue 2 · 26 May 2011 · 7,191 accessesView PDFCite
Research ArticleOpen accessIn the keywordsStudies of the Terrestrial outdoor Gamma Dose Rate Levels in Ogun-Osun River Basins Development Authority Headquarters, Abeokuta, NigeriaI.C. Okeyode, A.M. OluseyeProblem statement: The natural radioactivity levels in the soils of Ogun-Osun River Basins Development Authority Headquarters, (O-ORBDA HQ) Abeokuta, South-Western part of Nigeria were measured. Approach: (O-ORBDA HQ) is a parastatal of Federal Ministry of Water Resources and Rural Development in Nigeria charged with the responsibility for the development and management of the water resources in its area of coverage. … …Physics International, Vol. 1, Issue 1 · 30 Mar 2010 · 7,917 accessesView PDFCite
Research ArticleOpen accessIn the abstractBackground Gamma Radiation in Nigerian Market EnvironmentChinyere Ononugbo, Uzochukwu AnekweHuman exposure to ionizing radiation from natural sources is an unending and unpreventable phenomenon on earth. Radiation profile and exposure risks for some major markets in Port Harcourt metropolis have been ascertained using radiation exposure rate meter (Radalert-100). The exposure rate measured at mile 3 market and its environs ranged from 0.001±0.0001 to 0.022±0.003 mRh-1 with mean value of 0.014±0.002 … …American Journal of Environmental Sciences, Vol. 16, Issue 3 · 22 Jul 2020 · 7,119 accessesView PDFCite
Research ArticleOpen accessIn the abstractMonstrous Hazards Produced by High Radioactivity Levels Around Assiut Thermal Power PlantHany El-Gamal, Mohamed El-Azab Farid, Abdulla Ibrahim Abdel Mageed et al.The natural radioactivity level of heavy oil, ash and soil samples around Assiut Thermal Power Plant (ATPP) in Egypt was determined using gamma ray spectrometry. The average concentrations of 226Ra, 232Th and 40K in fly ash were found to be 2307±143, 1281±80 and 1218±129 Bq kg-1, respectively, while the corresponding values in soil samples were 2670±107, 1401±78 and 1495±100 Bq … …American Journal of Environmental Sciences, Vol. 9, Issue 5 · 17 Sep 2013 · 6,967 accessesView PDFCite
Research ArticleOpen accessIn the abstractNatural Activities of 238U, 232Th and 40K in Manganese OreH. A. Abel-GhanyProblem statement: Manganese ore is widely used in much industries. Such as ore contain natural radioactive nuclides at various concentrations. If this ore contain high concentrations of natural radioactive nuclides, workers handling them might be exposed to significant levels of radiation. Therefore it is important to determine the radioactive nuclides in this ore. Approach: The natural radionuclides (238U, 232Th and … …American Journal of Environmental Sciences, Vol. 6, Issue 1 · 28 Feb 2010 · 7,024 accessesView PDFCite
Research ArticleOpen accessIn the abstractShed Skin of Ophiophagus hannah: Structural Topography and In Vitro Permeation of Nicotine and PhenolA. Priprem, T. Pongjanyakul, C. Khamlert et al.Scales of the dorsal portions of shed skin of king cobras (Ophiophagus hannah) was used as the barrier membrane for in vitro permeation of nicotine and phenol at toxic or irritable concentration levels. The scales were placed between solutions of nicotine or phenol in a donor solution at pH 5.6 and a receptor solution at pH 7.4. Cumulative amounts of … …American Journal of Animal and Veterinary Sciences, Vol. 2, Issue 4 · 31 Dec 2007 · 6,735 accessesView PDFCite