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The Technical Applications of Radioactivity - 1st EditionTopics covered range from measurement of radioactivity to the production and chemistry of radio elements, as well as the application of radioactivity in chemical analysis and in the mining, metallurgical, electrical, and engineering industries.Background gamma terrestrial dose rate in Nigerian ...Jan 15, 2004· The purpose of these measurements is to provide a baseline data on background radiation level in Nigerian coal mining environments. The present data along with the former is expected to form part of the environmental data bank which will be of importance to the regulation formation activities of the newly established Nigeria Nuclear Regulatory ...Radon ( 222 Rn) concentration in indoor air near the coal ...Aug 01, 2012· Read "Radon ( 222 Rn) concentration in indoor air near the coal mining area of Nui Beo, North of Vietnam, Journal of Environmental Radioactivity" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.Green Mining - Massachusetts Institute of TechnologyResearch and development of new green mining technology in the areas of processing, clean water, and energy efficiency will be continued (Green Mining Initiative, 2011). For example, since the 1980s, Australia has been allocating millions of dollars towards mining research and this research has aided in the development of new, more efficient ...Glossary of Mining Terms - SEC.govGlossary of Mining Terms . ... Scintillation counter - An instrument used to detect and measure radioactivity by detecting gamma rays; ... Strip mine - An open-pit mine, usually a coal mine, operated by removing overburden, excavating the coal seam, then returning the overburden.
1The mean gross alpha and beta activities in soil and sediment around selected mining sites in Ike Kabba (gold), Ayedayo (feldspar-mica), Obajana (limestone), Itakpe (iron ore) and Okobo (coal) of Kogi State, Nigeria have been studied using Protean Instrument Corporation (PIC) MPC 2000DP.Assessment of natural radioactivity in coals and coal ...Dec 27, 2018· The results reveal that the mean radioactivity (Bq kg −1) concentrations in feed coal samples are 66.5 ± 24.2, 41.7 ± 18.2, 62.5 ± 26.3, and 232.4 ± 227.2 for U-238, Ra-226, Th-232, and K-40, respectively, while in coal combustion residuals (CCRs), they are 206.3 ± 72.4, 140.5 ± 28.4, 201.7 ± 44.7, and 232.5 ± 43.8, respectively. With the exception of K-40, all the determined natural radionuclides are .Why is coal considered a dirty form of energy? - QuoraNov 21, 2018· Let us start from Mining then to consumption and disposal: Mining : Airborne particulates in the mine and in the adjacent areas is a major hazard. The particulates in the air will be predominantly coal dust, sand and rock dust from the mining acti...Radon (222Rn) concentration in indoor air near the coal ...The indoor 222Rn concentration in a floating house at the Bai Tu Long Bay, and assumed as the best estimate of the baseline 222Rn in surface air, was 27 ± 3 Bq m−3 (n = 3). Indoor average concentration of 222Rn in dwellings at the Ha Noi city, inland and outside the coal mining area, was determined at .CDC - Mining Contract - Remote Methane Sensors - NIOSHMar 03, 2008· Contract Status & Impact. To test durability for use in underground coal mines, the sensor was subjected to the requirements of MIL-STD-750, which included constant acceleration and vibration and exposure to variations in temperature and humidity. Constant accelerations of 10,000 and 20,000 g and constant vibrations of 20 g at 100 Hz...
2Alpha radioactivity in coal mine drainage in western Pennsylvania. Radiol Health Data Rep. 1968. 9:725-9 ... M. G. Mytilinaiou, E. I. Rigopoulou and D. P. Bogdanos. PBC triggers in water reservoirs, coal mining areas and waste disposal sites: from Newcastle to New York. ... Elastic and shear moduli of coal measure rocks derived from basic well ...Health and ecological hazards due to natural radioactivity ...Health and ecological hazards due to natural radioactivity in soil from mining areas of Nasarawa State, Nigeria Abubakar Sadiq Aliyu Department of Physics, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia; Department of Physics, Nasarawa State University, Keffi, Nasarawa, Nigeria Correspondence [email protected] Coal Ash Too Radioactive For Use | Asian Scientist ...Nov 17, 2017· In this study, scientists at Duke University's Nicholas School of the Environment and the China University of Mining and Technology measured naturally occurring radioactivity in high-uranium coals from 57 sites in China. They also measured radiation levels in coal ash residues produced from this coal, and in soil collected from four sites.ASSESSMENT OF ENVIRONMENTAL RADIOA TIVITY .Environmental radioactivity assessment was carried out around coal mine at okaba. This was done using a digital radiation meter (INSPETOR 06250 MODEL) which is .International Journal of Scientific & Engineering Research ...Abstract: The assessment of naturally occurring radionuclides 238U, 232Th and 40K in Ogbete coal mine dumpsites in Enugu were carried out using gamma-ray spectrometry with high purity germanium detector to determine the natural