نتایج جستجو برای: radiological hazard

تعداد نتایج: 98668  

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 ...

Journal: :Atmosphere 2023

Numerical simulations of atmospheric dispersion and dose assessment were performed for the Jordan Research Training Reactor (JRTR) to evaluate its radiological effects on surrounding population environment. A three-dimensional model was applied investigate behavior radionuclides released into air, a used estimate impact residing in nearby cities around JRTR. Considering full core meltdown an ac...

Journal: :Asian journal of physical and chemical sciences 2022

Aims: To analyse the radiological hazard indices from mining sites in Adamawa State, Nigeria.
 Study Design: Experimental study design using Gamma ray spectroscopy with a well calibrated Sodium Iodide (NaI) detector.
 Place and Duration of Study: Nigeria Department Physics, Nasarawa State University Keffi, Nigeria, Centre for Energy Research Training (CERT) Laboratory, Ahmadu Bello Za...

Journal: :Journal of Physics: Conference Series 2021

Abstract Measurement of activity concentration primordial radionuclides 40 K, 232 Th, 238 U and the corresponding gamma dose rate over a major sharp-sand field in Ilorin, Nigeria, was carried out using Super Spec RS125 ray spectrometer. The spectrometer gives in-situ measurement radioactivity concentration. Measurements were taken 50 locations. peak values measured concentrations U, (D) resulti...

Journal: :The European respiratory journal 2014
Fabien Maldonado Teng Moua Srinivasan Rajagopalan Ronald A Karwoski Sushravya Raghunath Paul A Decker Thomas E Hartman Brian J Bartholmai Richard A Robb Jay H Ryu

Accurate assessment of prognosis in idiopathic pulmonary fibrosis remains elusive due to significant individual radiological and physiological variability. We hypothesised that short-term radiological changes may be predictive of survival. We explored the use of CALIPER (Computer-Aided Lung Informatics for Pathology Evaluation and Rating), a novel software tool developed by the Biomedical Imagi...

2015
Chih-Ya Chang Ching-Yueh Lin Liang-Cheng Chen Chia-Hung Sun Tsung-Ying Li Tung-Han Tsai Shin-Tsu Chang Yung-Tsan Wu Jinglu Ai

BACKGROUND AND PURPOSE The mortality rate of cerebellar hemorrhage (CH) is generally higher than other types of intracranial hemorrhage. Recently, the increased survey rate of CH has come from improved clinical imaging and earlier surgical intervention. Hence, the predictors of intermittent- (1 to 6 months) and long-term (> 6 months) mortality are clinically practical use for educational and th...

Journal: :iranian journal of radiation research 0
m. t. kolo department of physics, university of malaya, 50603 kuala lumpur, malaysia y. m. amin department of physics, university of malaya, 50603 kuala lumpur, malaysia m. u. khandaker department of physics, university of malaya, 50603 kuala lumpur, malaysia w. h. b. abdullah department of geology, university of malaya, 50603 kuala lumpur, malaysia

background: human activities such as mining enhance the radioactivity levels above normal background which can lead to an incremental increase in the radiation risk to the population. materials and methods: 20 tailing enriched soil samples collected around maiganga coal mine, gombe, northeast nigeria were assessed for their 226ra, 232th and 40k contents using hpge gamma-ray detector. results: t...

M. T. Kolo, M. U. Khandaker, W. H. B. Abdullah, Y. M. Amin,

Background: Human activities such as mining enhance the radioactivity levels above normal background which can lead to an incremental increase in the radiation risk to the population. Materials and Methods: 20 tailing enriched soil samples collected around Maiganga coal mine, Gombe, Northeast Nigeria were assessed for their 226Ra, 232Th and 40K contents using HPGe gamma-ray detector. Results: T...

Introduction: There are natural and artificial radioactive nuclei in our environment, as well as in the structure of the living organism. Currently, industrial and municipal pollution has also an impact on increasing the level of radiation. The present study investigated the effect of inlet water from Arak Wastewater Treatment Plant on international Meighan Wetland and...

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