Başlık için listeleme
Toplam kayıt 8791, listelenen: 6672-6691
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Radiation shielding properties of mortars with minerals and ores additives
(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 ... -
The radiation shielding properties of the low temperature alloys
(Afyon Kocatepe University, 2021)Solder alloys are significant for many applications. In addition to the physical electrical and magnetic properties of solders, it is of great importance to determine the shielding properties of the materials in order ... -
Radiation shielding tests of crosslinked polystyrene-b-polyethyleneglycol block copolymers blended with nanostructured selenium dioxide and boron nitride particles
(MDPI, 2022)In this work, gamma-ray shielding features of crosslinked polystyrene-b-polyethyleneglycol block copolymers (PS-b-PEG) blended with nanostructured selenium dioxide (SeO2) and boron nitride (BN) particles were studied. This ... -
Radiation therapy schedule for rectal cancer
(Istanbul Tip Fakultesi, 2014)Presently, rectal cancer requires a multimodality approach to therapy. In this scheme, radiation therapy may play an important role in increasing the local control rate, improving disease-free and overall survival rates, ... -
Radioactivity and heavy metal concentrations in food samples from Rize, Turkey
(Wiley, 2012)BACKGROUND: Rize in Turkey was contaminated by the Chernobyl accident in 1986. A comprehensive study was planned and carried out to determine the radioactivity levels and heavy metal concentrations in four food categories ... -
Radioactivity and heavy metal concentrations in various honey samples
(Scibulcom Ltd, 2015)In this study, the contents of natural radionuclide K-40 and fission product Cs-137 in floral honey samples from Rize and some other cities in Turkey, were investigated. the results indicated that 80% of honey samples were ... -
Radioactivity and heavy metal concentrations of some commercial fish species consumed in the Black Sea Region of Turkey
(Elsevier Ltd, 2012)Marine fish is an important daily diet item for the people of Turkey. The Black Sea Region of Turkey was contaminated by the Chernobyl accident in 1986, a comprehensive study was planned and carried out to determine the ... -
Radioactivity in Kosovo honey samples
(Hard, 2020)The aim of this study was to determine naturally occurring radionuclides (K-40, Ra-226 and Th-232) and the artificial radionuclide Cs-137 in various honey samples from Kosovo. This study is of particular importance because ... -
Radioactivity in sediments and gross alpha-beta activities in surface water of Firtina River, Turkey
(0-Belirlenecek, 2008)The concentrations and distribution of natural and artificial radionuclides in sediment and water samples collected from FIrtIna River in the Eastern Black Sea region of Turkey were investigated with an aim of evaluating ... -
Radioactivity in soils of Kosovo and radiological implications
(MDPI, 2022)This study was carried out to determine the presence of the main radionuclides from natural and artificial radioactivity in the soil of Kosovo, using gamma-ray spectroscopy. The mean activity concentration for Ra-226, ... -
Radioactivity levels and radiation health hazards in medicinal plants used in Rize Province, Turkey
(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 ... -
Radioanatomic study of maxillary sinus palatal process pneumatization
(Springer, 2021)Objectives To perform a detailed analysis of palatal process pneumatization (PPP) on cone beam computed tomography (CBCT) images. Methods This study consisted of 376 maxillary sinuses of 188 patients aged 22-88 years who ... -
Radiological and chemical assessment of phosphate rocks in some countries
(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
(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 ... -
Radiometric mapping and radiation dose assessments in sediments from Savsat Black Lake, Turkey
(Springer, 2022)In this study, natural and artificial radioactivity concentrations in sediment samples taken from Savsat Black Lake located on the Nature Park in Artvin were determined using a high purity germanium detector. It was ... -
Radiomics-based machine learning in the differentiation of benign and malignant bowel wall thickening radiomics in bowel wall thickening
(Springer, 2024)PurposeTo distinguish malignant and benign bowel wall thickening (BWT) by using computed tomography (CT) texture features based on machine learning (ML) models and to compare its success with the clinical model and combined ... -
Radionuclide concentration in tea, cabbage, orange, kiwi and soil and lifetime cancer risk due to gamma radioactivity in Rize, Turkey
(Wiley, 2011)BACKGROUND: In this study, the activity concentrations of 232Th, 238U, 40K and 137Cs were measured in tea, cabbage, orange, kiwi and soil samples collected from different stations using gamma spectrometry with a high-purity ... -
Radionuclides and heavy metals concentrations in Turkish market tea
(Elsevier, 2011)Tea is one of the most popular beverages in the world. The Eastern Black Sea Region of Turkey is one of the main tea producers in Turkey and the fifth in the world. Thus, the chemical components in tea have received great ... -
Radioprotective effect of endogenous melatonin secretion associated with the circadian rhythm in irradiated rats
(Taylor & Francis Ltd, 2019)Purpose: We investigated the radioprotective effect of endogenous melatonin release at different times associated with the circadian rhythm on head and neck radiotherapy. Materials and methods: Two groups of animals were ...
