نتایج جستجو برای: equivalent activities raeq range from 21050
تعداد نتایج: 6140486 فیلتر نتایج به سال:
background: turkey, especially the northern part of it, was one of the countries which were contaminated by the chernobyl accident. rize is a city located in the northeastern district of turkey which was heavily influenced by the chernobyl nuclear accident. materials and methods: in this study, the activity concentrations of natural (226ra, 232th, 40k) and artificial (137cs) were measurements ...
Background: Inspection of the level of radioactivity from radionuclides in soil is important for the assessment of the exposure to natural radiation. Materials and Methods: Ten samples from soil were collected from different sites of Kirkuk-IRAQ and the level of natural radioactivity was measured using gamma-ray spectrometry based on a high purity germanium (HPGe) detector. Results: It was foun...
The research aims to evaluate the radioactivity of samples foodstuffs Consumables in local markets thirteen items were selected which are rice, tea, drinking water, lentils, chickpeas, flour, red bean, crushed chickpeas and milk powder where concentrations specific activity chains uranium (238U), thorium (232Th) potassium (40K) measured using a gamma ray spectra analysis system with high purity...
abstract this study aimed at investigating the translation of interjections from english into persian in dubbing. to carry out this study the expressive secondary interjections found in the film four weddings and a funeral and their equivalent in persian dubbed version were analyzed through the strategies proposed by cuenca. the descriptive analysis of the corpus showed that (strategy b) i.e...
Abstract Huge quantities of fly ash and bottom are generated from thermal power plants it presents great concern for country, mainly due to the environmental effects. In this study, ashes were characterized technical radiological aspects. Health effect activity radionuclides 226 Ra, 232 Th 40 K was estimated via radium equivalent (Raeq), external hazards index (H ex ), absorbed dose rate (D) an...
People use granite in residential buildings on a large scale all around the world. Knowing granite’s radiological characteristics allows for safe of its properties to be maintained over time. Our findings are significant two reasons: first, they may increase public awareness naturally radioactive materials under investigation, and second, necessary establish standards, regulations, management b...
Introduction: Although travertine is now widely used as a building material, the effects of its radiological hazards to public health should be a matter of concern. Therefore, this study aimed to determine its radiological parameters with regard to human health. Material and Methods: In this research 10 travertine samples were collected ...
abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...
this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...
Background: The natural radioactivity levels in ceramic tiles produced in Turkey were determined and the related radiological hazards were assessed. Materials and Methods: The natural radioactivity levels (226Ra, 232Th and 40K) in the ceramic tiles were measured using high-purity germanium detector system (HPGe) and the related radiological hazards were assessed by radium equivalent activity (R...
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