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measurement of radioactivity in coal mining areas

The natural gamma ray radiation characteristics of coal and roofrock seams from seven different typical coal mine areas who has thick coal seams in China have been researched and a connection

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Quantification and Radiological Risk Estimation Due to the
Quantification and Radiological Risk Estimation Due to the

Jun 27 2016 · The objective of this study therefore is to quantify the natural radioactivity levels of Maiganga coal Northeast Nigeria and to estimate the radiation hazard indices from the activity concentrations of 226 Ra 232 Th and 40 K This will help in predicting any radiological hazard to coal workers final users and the general public from its exploitation

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Radioactive Elements in Coal and Fly Ash USGS Factsheet
Radioactive Elements in Coal and Fly Ash USGS Factsheet

Radioactive Elements in Coal and Fly Ash Abundance Forms and Environmental Significance The diameter of this relatively large glassy sphere is approximately 001 cm The distribution and concentration of uranium are indicated by fission tracks which appear as

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Measurement of Natural Radioactivity in Coal Soil and
Measurement of Natural Radioactivity in Coal Soil and

Introduction Therefore measurement of natural radioactivity in these elements and the radiation doses arising from these radionuclides are of great interest to the researchers which have led the nationwide surveys throughout the world 5 6 Coal and soil contain

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International Journal of Scientific  Engineering
International Journal of Scientific Engineering

Abstract The assessment of naturally occurring radionuclides 238U 232Th and 40K in Ogbete coal mine dumpsites in Enugu were carried out using gammaray spectrometry with high purity germanium detector to determine the natural

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Assessment of Level of Radioactivity Exposure Around Coal
Assessment of Level of Radioactivity Exposure Around Coal

Jan 01 2014 · Environmental radioactivity assessment was carried out around coal mine at okaba This was done using a digital radiation meter INSPECTOR 06250 MODEL which is optimise to measure alpha beta and

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Radon 222Rn concentration in indoor air near the coal
Radon 222Rn concentration in indoor air near the coal

Concentrations of radioactive radon gas 222 Rn were measured using passive monitors based on LR115 solid state track detectors during June–July 2010 in indoor air of dwellings in the Nui Beo coal mining area mostly in Cam Pha and Ha Long coastal towns Quang Ninh province in the North of results of 222 Rn concentrations indoors varied from ≤6 to 145 Bq m −3 averaging

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Ecology and Environmental Science Chapter 9 Flashcards
Ecology and Environmental Science Chapter 9 Flashcards

Start studying Ecology and Environmental Science Chapter 9 Learn vocabulary terms and more with flashcards games and other study tools Start a free trial of Quizlet Plus by Thanksgiving Lock in 50 off all year Try it free

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Glossary of Mining Terms  SEC
Glossary of Mining Terms SEC

Rock factor The number of cubic metres of a particular rock type required to make up one tonne of the material One tonne of a highly siliceous ore may occupy 040 cubic metres while a tonne of dense sulphide ore may occupy only 025 cubic metres Rock mechanics The study of the mechanical properties of rocks

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Distribution of natural radioactivity around mechanized
Distribution of natural radioactivity around mechanized

This study was conducted to assess the radiological impacts of mining activities in mechanized and nonmechanized mining sites in order to build up database records for nonnuclear industries Measurements of 226 Ra 226 Th and 40 K in 50 soil samples collected from these sites were carried out using gamma spectrometry system The investigations showed that the highest concentrations of these

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Assessment of natural radioactivity in the
Assessment of natural radioactivity in the

radioactivity uranium has an elevated concentration of sulphur up to 10 Coal has been mined mostly at adjacent coal mine area about 10 km from the plant site

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Natural Radioactivity and Assessment of Associated
Natural Radioactivity and Assessment of Associated

Measurement of natural radioactivity in soil is Barapukuria coal mine is currently under production A 2×125 MW coalfired thermal power plant has been The only large industrial area nearby is this coal mine including its residential complexes as seen in Figure 2 The nearest town is Phulbari a Thana

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25 YEARS OF RADIOLOGICAL PROTECTION IN POLISH
25 YEARS OF RADIOLOGICAL PROTECTION IN POLISH

At the end of 1980’s there were 70 coal mines in Poland several lead and zinc ore mines and copper mines The environmental monitoring of the sources of radiation hazard was proposed • Potential Alpha Energy Concentration PAEC of radon decay products • Radioactivity of mine waters radium isotopes

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ENHANCED NATURAL RADIOACTIVITY IN POLISH HARD COAL MINING
ENHANCED NATURAL RADIOACTIVITY IN POLISH HARD COAL MINING

ENHANCED NATURAL RADIOACTIVITY IN POLISH HARD COAL MINING INDUSTRY Boguslaw MICHALIK 1 Małgorzata WYSOCKA Krystian SKUBACZ Stanislaw CHAŁUPNIK Antoni MIELNIKOW Laboratory of Radiometry CENTRAL MINING INSTITUTE 40166 Katowice Plac Gwarkow 1 POLAND Abstract The radiation risk due to the exposure to natural radionuclides especially to shortlived

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25 YEARS OF RADIOLOGICAL PROTECTION IN POLISH
25 YEARS OF RADIOLOGICAL PROTECTION IN POLISH

At the end of 1980’s there were 70 coal mines in Poland several lead and zinc ore mines and copper mines The environmental monitoring of the sources of radiation hazard was proposed • Potential Alpha Energy Concentration PAEC of radon decay products • Radioactivity of mine waters radium isotopes

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Radiological Implications of CoalMining Activities in
Radiological Implications of CoalMining Activities in

Radiation load on mine workers environment and the public due to coalmining operations in Maiganga coalfield is insignificant Keywords Natural radioactivity Dose Excess lifetime cancer risk Maiganga Nigeria

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ASSESSMENT OF ENVIRONMENTAL RADIOA TIVITY
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 optimise to measure alpha beta and gamma radiation

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Gross Alpha and Beta Radioactivity in Soil and Sediment
Gross Alpha and Beta Radioactivity in Soil and Sediment

Two well calibrated radalert 100 and digilert 200 nuclear radiation monitors SE International Incorporation Summer Town USA with a capability of measuring alpha beta gamma and xray radiation within the temperature range of 10°C to 50°C were used to measure dose rate of selected mining sites 1m above the ground

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Development of Radiometric Methods for Exploration
Development of Radiometric Methods for Exploration

Additional 64 billion tonnes of coal is mined and processed yearly worldwide The mining and mineral industry valueadded contribution to the economy of many developing and developed countries is significant with approximately 50 contribution in Chile 40 in Australia 25 in Morocco 20 in Canada and 15 in USA

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Naturally Occurring Radioactive Materials NORM  World
Naturally Occurring Radioactive Materials NORM World

Radioactive materials which occur naturally and where human activities increase the exposure of people to ionising radiation are known by the acronym NORM NORM results from activities such as burning coal making and using fertilisers oil and gas production Uranium mining exposes those involved to NORM in the uranium orebody

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Natural Radioactivity and Assessment of Associated
Natural Radioactivity and Assessment of Associated

The radioactivity concentrations in soil give information on both natural and manmade sources which is important in radiological monitoring and assessment of radiation dose for public4 Measurement of natural radioactivity in soil is very important to determine the amount of change of the natural background activity with time as a result of

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Glossary of Mining Terms  SEC
Glossary of Mining Terms SEC

Rock factor The number of cubic metres of a particular rock type required to make up one tonne of the material One tonne of a highly siliceous ore may occupy 040 cubic metres while a tonne of dense sulphide ore may occupy only 025 cubic metres Rock mechanics The study of the mechanical properties of rocks

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Mining health and safety 7 common risks to protect
Mining health and safety 7 common risks to protect

Mar 29 2019 · The mining industry has a reputation for being a risky business with health risks that are varied and often quite serious and it is important for miners to protect themselves accordingly Nevertheless mining doesn’t have to be unsafe With the introduction of strict safety legislation and

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baro pukuria coal mine gov bd
baro pukuria coal mine gov bd

Barapukuria Coal Mining Company Measurement of Natural Radioactivity in Coal Soil and Measurement of Natural Radioactivity in Coal measurement of natural radioactivity in these the Barapukuria coal mine of Dinajpur Bangladesh and its Environmental impacts of coal mine and thermal power plant

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Chapter 18 Launchpad Flashcards  Quizlet
Chapter 18 Launchpad Flashcards Quizlet

Strip mines are used in areas where the coal is and the ground above is bone cancer Appalachian counties with mountaintop removal sites compared to nonmining counties had greater incidences of all of the following except

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Radon concentrations in coal mines of Baluchistan Pakistan
Radon concentrations in coal mines of Baluchistan Pakistan

For these reasons radon measurements were carried out in some coal mines of Baluchistan Pakistan The measurements were based upon passive detection of radon using CN85 track detectors in Box Type Dosimeters The radon concentration varied from 121 to 408 Bq m−3 in the mines under study

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The Technical Applications of Radioactivity  1st Edition
The Technical Applications of Radioactivity 1st Edition

Topics 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

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