Yazar "Kırış, Erkan" için listeleme
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Calculation of radiation attenuation coefficients, effective atomic numbers and electron densities for some building materials
Damla, N.; Baltaş, Hasan; Çelik, A.; Kırış, Erkan; Çevik, U. (2012)Some building materials, regularly used in Turkey, such as sand, cement, gas concrete (lightweight, aerated concrete), tile and brick, have been investigated in terms of mass attenuation coefficient, effective atomic, ... -
Determination of radiological hazard parameters in sea snails (Rapana venosa) in the East Black Sea Coast of Turkey
Dalgıç, Göktuğ; Kırış, Erkan; Baltaş, Hasan; Şirin, Murat (Pergamon-Elsevier Science Ltd, 2018)The aim of this study was to determine the activity concentrations and radiological hazard parameters of Cs-137 and K-40 in soft tissue samples of sea snails (Rapana venosa) collected from 12 different stations in the East ... -
Doğu Karadeniz kıyısal alanında Akdeniz midyesinin (Mytilus galloprovincialis) radyoaktivite seviyelerinin belirlenmesi
Kırış, Erkan (Recep Tayyip Erdoğan Üniversitesi / Fen Bilimleri Enstitüsü / Fizik Anabilim Dalı, 2016)Doğu Karadeniz Bölgesi'nde Giresun, Trabzon, Rize ve Artvin illerinin kıyıları boyunca 12 istasyondan mevsimsel olarak toplanan üç farklı büyüklükte Akdeniz midyesi (Mytilus galloprovincialis) yumuşak dokusu, deniz suyu ... -
DOĞU KARADENİZ KIYISAL ALANINDA AKDENİZ MİDYESİNİN (Mytilus galloprovincialis) RADYOAKTİVİTE SEVİYELERİNİN BELİRLENMESİ
Kırış, Erkan (RECEP TAYYİP ERDOĞAN ÜNİVERSİTESİ, 2016)Natural (226Ra, 232Th and 40K) and artificial (137Cs) radioactivity levels were measured using germanium (HPGe) detector in soft tissue of Mediterranean mussels (Mytilus galloprovincialis) in three different sizes, sea ... -
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 ... -
Health risk assessment of trace elements in medicinal plants consumed as medicine and food in Rize, Turkey
Kırış, Erkan (Parlar Scientific Publications (P S P), 2020)Trace element (Cd, Pb, Ni, Fe, Zn, Cu, Cr, Co and Mn) levels were measured using Inductively Coupled Plasma Optical Emission Spectrometry (ICP OES) in twelve different medicinal plants consumed as medicine and food in Rize, ... -
İki boyutlu helyum atomunun taban durum enerjisinin hesaplanması
Kırış, Erkan (Rize Üniversitesi / Fen Bilimleri Enstitüsü / Fizik Anabilim Dalı, 2010)Bu çalışmada, iki boyutlu helyum atomunun taban durum enerjisi hesaplandı. Hesaplamalarda fortran 95 kullanıldı. Genelleştirilmiş özdeğer problemi varyasyon metodu ile elde edildi. Kinetik enerji operatörü Hylleraas ... -
Measurements of some radionuclides in coffee samples using gamma-ray spectrometry and evaluating radiological health risk to the Turkish public
Kırış, Erkan; Zilan, Ömer (Taylor & Francis Ltd., 2023)The current research aims to assess the radioactivity levels and radiological health risks of 28 coffee samples from 21 assorted brands obtained from different provinces of Turkey. The activity concentrations of natural ... -
Radioactivity levels and radiation health hazards in medicinal plants used in Rize Province, Turkey
Kırış, Erkan (Taylor and Francis Ltd., 2020)Natural and artificial radionuclide concentrations were determined and evaluated in 12 different medicinal plants used in Rize Province of Turkey. The levels of 226Ra, 232Th, 40K and 137Cs were specified in medicinal plants ... -
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 ...
