Yazar "Baltaş, Hasan" için FEF, Fizik Bölümü Koleksiyonu listeleme
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Evaluation of gamma attenuation parameters and kerma coefficients of YBaCuO and BiPbSrCaCuO superconductors using EGS4 code
Baltaş, Hasan (Pergamon-Elsevier Science Ltd, 2020)The levels of the coefficients of the mass attenuation (mu/rho) for YBaCuO and BiPbSrCaCuO superconductors and their contents were determined theoretically, using EGS4 simulation code and the XCOM database, and experimentally ... -
Experimental study on copper uptake capacity in the Mediterranean mussel (Mytilus galloprovincialis)
Baltaş, Hasan; Dalgıç, Göktuğ; Bayrak, Esra Yılmaz; Şirin, Murat; Çevik, Uğur; Apaydın, Gökhan (Springer Heidelberg, 2016)To investigate the effect of different sizes, sex, and exposure time on Cu uptake capacity, mussels Mytilus galloprovincialis of different shell sizes were exposed to different Cu concentrations in different aquariums. in ... -
Exploration of seasonal metal pollution in Karacaören II Dam Lake sediment samples using X-ray Fluorescence method
Apaydın, Gökhan; Köksal, Oğuz Kağan; Cengiz, Erhan; Şirin, Murat; Baltaş, Hasan; Tıraşoğlu, Engin (Sivas Cumhuriyet Üniversitesi, 2023)In this study, the seasonal metal pollution of sediment samples taken from twelve distinct notes of the Karacaören II Dam Lake was examined. The quantity of metal in soil samples was determined using energy dispersive ... -
Gamma ray and neutron shielding properties of some concrete materials
Yılmaz, Erol; Baltaş, Hasan; Kırış, Erkan; Ustabaş, İlker; Çevik, Uğur; El-Khayatt, A.M. (Elsevier, 2011)Shielding of gamma-rays and neutrons by 12 concrete samples with and without mineral additives has been studied. The total mass attenuation and linear attenuation coefficients, half-value thicknesses, effective atomic ... -
Human health risk assessment of heavy metals accumulation in different genders and tissues of whiting fish (Merlangius merlangus euxinus Nordmann, 1840) from Rize, Turkey
Şirin, Murat; Bayrak, Esra Yılmaz; Baltaş, Hasan (Elsevier, 2024)The contamination of fish resulting from marine pollution is a major concern, as it poses potential adverse effects on human health. Therefore, heavy metal concentrations (Cr, Fe, Ni, Cu, Zn, and Pb) in different genders ... -
K-shell X-ray fluorescence cross-sections and intensity ratios for some pure metals at 59.5 and 123.6 keV
Çevik, Uğur; Kaya, Selim; Ertuğral, Birol; Baltaş, Hasan; Karabidak, S.M. (Elsevier, 2007)K-shell X-ray fluorescence cross-sections for some pure metals such as Cr, Fe, Co, Cu, Zn, Ga, Se, Y, Mo, Cd, In, Sn, Te, Ba, Ta, W and Bi have been theoretically and experimentally determined. The Cr, Fe, Co, Cu, Zn, Ga, ... -
Measurement of the mass attenuation coefficients and electron densities for BiPbSrCaCuO superconductor at different energies
Çevik, U.; Baltaş, Hasan (Elsevier, 2007)The mass attenuation coefficients for Bi, Pb, Sr, Ca, Cu metals, Bi2O3, PbO, SrCO3, CaO, CuO compounds and solid-state forms of Bi1.7Pb0.3Sr2Ca2Cu3O10 superconductor were determined at 57.5, 65.2, 77.1, 87.3, 94.6, 122 and ... -
Mechanical and radiation attenuation properties of conventional and heavy concrete with diverse aggregate and water/cement ratios
Ustabaş, İlker; Demirci, Mustafa; Baltaş, Hasan; Demir, Yılmaz; Erdoğdu, Şakir; Kurt, Zafer; Çakmak, Talip (Croatian Association of Civil Engineers, 2022)This paper presents the results of comprehensive laboratory work conducted for investigating the mechanical and radiation attenuation characteristics of heavyweight concrete produced with pyrite, chromium, and magnetite ... -
An overview of the ecological half-life of the Cs-137 radioisotope and a determination of radioactivity levels in sediment samples after Chernobyl in the Eastern Black Sea, Turkey
Baltaş, Hasan; Şirin, Murat; Dalgıç, Göktuğ; Çevik, Uğur (Elsevier Science Bv, 2018)A study which determined the activity concentration of Cs-137 in sediments contaminated by effluents from the Chernobyl accident which had collected along the coast of the Eastern Black Sea region in Turkey was carried out ... -
Radiation shielding properties of mortars with minerals and ores additives
Baltaş, Hasan; Şirin, Murat; Çelik, Ahmet; Ustabaş, İlker; El-Khayatt, Ahmed Mahmoud (Elsevier Sci Ltd, 2019)Incorporation of mineral and ores as fine aggregate additives was investigated for its effect on the neutron and gamma-ray shielding properties of cement mortar. Five mortar mixtures have been prepared with different ... -
Radiological and chemical assessment of phosphate rocks in some countries
Çevik, U.; Baltaş, Hasan; Tabak, Ahmet; Damla, N. (Elsevier, 2010)In this study, the radiological, structural and chemical characterizations of Mardin-Mazi{dotless}da?i{dotless} phosphate rock, which is an important phosphate fertilizer source in Turkey were investigated and compared to ... -
Radiological health risks assessment and antioxidant activities of beehive honeys: a case study of Manisa province, Turkey
Şirin, Murat; Baltaş, Nimet; Kanbur, Esra Demir; Özçelik, Ali Erdem; Çevik, Uğur; Baltaş, Hasan (Taylor & Francis Ltd., 2022)The physicochemical contents, antioxidant capacities, and radiological contamination levels of 20 honey samples were studied in this study to show the quality of the hive honey. Moreover, some antioxidant activities and ... -
Sediment distribution coefficients (K-d) and bioaccumulation factors (BAF) in biota for natural radionuclides in eastern Black Sea coast of Turkey
Kırış, Erkan; Baltaş, Hasan (Elsevier, 2019)y Germanium (HPGe) detector was used to measure natural (Ra-226, Th-232 K-40) radioactivity levels in sediment and seawater samples, and soft tissues of Mediterranean mussels (Mytilus galloprovincialis) of three different ... -
A study of the radiological baseline conditions around the planned Sinop (Turkey) nuclear power plant using the mapping method
Baltaş, Hasan; Yeşilkanat, Cafer Mert; Kiriş, Erkan; Şirin, Murat (Springer, 2019)This study makes a first attempt at a detailed estimation of the background radioactivity level and its distribution at the Sinop nuclear power plant site. the activity concentration levels of Ra-226, Th-232, K-40 and ... -
Vacancy transfer probabilities from K to L shell for low atomic number elements at 5.96 keV
Ertuğral, Birol; Baltaş, Hasan; Çelik, Ahmet; Kobya, Yaşar (Polish Academy of Sciences, 2010)Vacancy transfer probabilities from K to L shell were measured using I K?/IK? intensity ratios for six elements in the atomic region 16 ? Z ? 22. The K X-rays from the targets excited by 5.96 keV (1.85 GBq 55Fe filtered ... -
Variation of K X-ray fluorescence cross-sections of Cu, Y and Ba in Y Ba2Cu3O7-δ superconductor
Baltaş, Hasan; Çevik, Uğur (Elsevier, 2009)K X-ray fluorescence cross-sections of Cu, Y and Ba elements were measured in CuO, Y 2O3, BaCO3 compounds and Y Ba2Cu3O7-? superconductor samples (nonreacted agent, calcined and sintered states). A superconductor sample ...