Results 1 to 10 of about 261,271 (188)
HIGH PRECISION FULLY INTEGRATED AIRBORNE DIGITAL MAPPING SYSTEMS – STATE OF THE ART AND PERFORMANCE ANALYSIS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020 This paper introduces the Phase One Aerial System 150, a next generation fully integrated fully digital aerial camera system with one single digital camera head and lens which almost matches the perfect geometry of a film camera for all airborne mapping ...
M. M. R. Mostafa +5 more
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Assessment of Uranium in Urine Samples of Primary School Students [PDF]
Engineering and Technology Journal, 2020 The environmental monitoring of radon in the children urine has been carried out by using solid state nuclear track detector CR-39. This study has been undertaken for the purpose of health risk assessments.
Sahar Amin, Azhar Haleem
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The Measurement of Radon Concentration in the Buildings of the College of Education, Al-Qadisiyah University, Iraq Using CR-39 Detector [PDF]
Nature Environment and Pollution Technology, 2022 This research aims to evaluate the concentration of radon gas and the risks involved as a result of exposure to it. The nuclear track detector CR-39 was used to measure radon gas in the buildings of Al-Qadisiyah University’s College of Education.
Kawthar Hassan Obayes and Osamah Nawfal Oudah
doaj +1 more source
Brazilian Journal of Radiation Sciences, 2021 The Brazilian National Commission for Nuclear Energy (CNEN) establishes a reference level of 1000 Bq m-3 of radon concentration in underground mines. Solid State Nuclear Track Detectors – SSNTD is considered the main method of analysis in radon research.
Laura Takahashi +5 more
doaj +1 more source
Presença de Radônio no Ar de Edificações da Área Abrangida pelo Granito Viamão em Porto Alegre, Brasil, Utilizando Detectores Tipo CR39 [PDF]
Anuário do Instituto de Geociências, 2019 O radônio (222Rn) é um gás nobre que aparece na natureza oriundo do decaimento radioativo da série do urânio (238U) e ascende até a superfície através de fraturas, poros de rochas, solos ou com a água subterrânea. Elevadas concentrações de radônio no ar
Paulo Henrique Prado Stefano +1 more
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Detection of Radon Exhalation from Various Building Materials Using CR-39, RAD7, and Biosensors
Atom Indonesia, 2022 Study aimed to design and manufacture two biosensors, namely BIOS-I and BIOS-II, for 222Rn and Pb+2 measurements in building materials and soil samples. For comparison, the conventional detectors of RAD7 and CR-39 were used.
B. J. Albazoni, H. J. Almayahi
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Al-Mustansiriyah Journal of Science, 2023 Due to the population's health risk, radon has emerged as a major worldwide health problem. 50% of the total eugenic radiation dose is caused by radon and its progenies; therefore, pollution of river water with minerals and radon that cause serious harm
Aqeel Adel Hasan +2 more
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Estimation of Radon Exhalation Rate, Radium Activity and Uranium Concentration in Biscuit Samples in Iraq [PDF]
Iranian Journal of Medical Physics, 2019 Introduction: Radioisotopes are naturally the main sources of human exposure to external and internal radiation. Biscuit is a type of food that is widely distributed in all markets, especially in the markets of Iraq. Therefore, the current study aimed to
Laith Najam +3 more
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Measuring the concentration of uranium in the Qayyarah oilfield and refinery
Tikrit Journal of Pure Science, 2021 In this research, the Concentrations of uranium and radon gas were measured in the samples collected from the Qayyarah refinery and field, which is located south of Mosul. The samples included soil and water associated with the production of oil, sludge
Mustafa A. Mahmoud, Rasheed M. Yousuf
doaj +1 more source
New calibrations and time stability of the response of the INTERCAST CR-39 [PDF]
, 2001 We present new calibrations of different production batches (from 1989 to 1999) of the INTERCAST CR-39, using the BNL-AGS 1 A GeV iron beam. The comparison with previous results, obtained with the 158 A GeV lead beam from the CERN-SPS shows that, while ...
Cecchini +11 more
core +2 more sources