Coal Mines
Optimization of Coal Mines using Data Envelopment Analysis
... SCCL coal mines in recent ...various coal mines in SCCL and calculated relative efficiency of mines by using Data Envelopment Analysis (DEA) which helps to rank them based on their ...
6
Impact of inactive hard-coal mines processes in Silesian Coal Basin on greenhouse gases pollution
... Silesian Coal Basin, which, for example, produced 23 % of Poland’s total SO 2 emissions in 1992, though it occupies only 2% of the country’s ...hard-coal mines processes in the Upper Silesian ...
8
The Use Of Geostatistics In Setting The Spread Of Claystone In Coal Mines
... Coal mines in Indonesia are generally used open-pit techniqique, often experience slope landslides therefore, it is essential to determine its stability. In the analysis, several variables affect slope ...
6
Health and Safety Assessment in Lakhra Coal Mines and Its Mitigation Measures
... in coal mines such as coal dust, permanent injury due to the improper safety methods and management ...while coal extraction, transportation and handling are accounted for health and safety ...
6
Decolourization of synthetic dyes by aspergillus niger isolate recovered from coal mines
... Coal samples were collected from two mines viz., Moghla and Kotla coal mines situated in Rajouri and Reasi districts respectively of Jammu Province. Two methods viz., dilution pour plate ...
5
SAFETY EVALUATION OF COAL MINES USING R- NORM ENTROPY
... In this paper, we have established the evaluation index system of coal mines by using R-norm entropy. The method is explained by using „A Case Study‟ on the evaluation of safety conditions of coal ...
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Effects and controls of lateral refraction in underground coal mines
... As previously stated, based on the literature review, a Gyromat 2000 was deemed the most accurate machine for use in underground tunnels, toward the control of lateral refraction. The results obtained and analysed above ...
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Hazardous Gas Detection in Coal Mines
... [1] A.Kumar*, T.M.G. Kingson, R.P. Verma, A. Kumar, R. Mandal, S. Dutta, S.K. Chaulya and G.M. Prasad CSIR- Central Institute of Mining and Fuel Research, Dhanbad, India,“Application of Gas Monitoring Sensors in ...
5
Assessment of Slope Stability in Opencast Coal Mines using Software
... ---------------------------------------------------------------------***---------------------------------------------------------------------- Abstract - Slope stability analysis is important in any opencast coal ...
7
Interaction between gas dynamic and geomechanical processes in coal mines
... of coal mines (1989), which do not reflect specific features of mining geomechanical conditions of existing extraction areas: long span goaves, high advance rates of longwall faces, which predetermines ...
5
WATER CRISIS AT COAL CAPITAL OF INDIA: A PRAGMATIC STUDY OF ROOT CAUSES, IMPACT AND SOLUTION OF WATER CRISIS IN REGIONS OF WORKING COAL MINES OF BHARAT COKING COAL LIMITED DHANBAD
... Dhanbad coal Belt produces the finest form of coking coal for the production of steel of Bokaro Steel Processing Plant which is located at a distance of the 30 Kilometre from the operational coal ...
12
Parameter Affecting Blast Hole Drilling in Coal Mines
... 1) Penetration rate increases with increases in weight of bits. 2) Penetration rate increases with the increase in the rotary speed of the drill. 3) Penetration rate increases with th[r] ...
5
Impact of Coal Mining on Ambient Air: A Case Study of Jamuna Kotma Coal Mines Area
... the coal siding ...monitoring.. Coal dust was reported as the major pollutant in the air of open cast coal mining areas and the coal siding areas during ...of coal dust at fully ...
6
Geophysical Surveying, Drilling Methods in Kothagudem Region Coal Mines Raju Jangapelly
... Geology of Kothagudem Area described as This coal belt extending over a strike length of 20 Km. from Hemachandhrapuram in the North to Penagadapa in the South, is located in the southern part of Godavari valley ...
8
Nutrition Of Coal Mine Workers (A Case Study Of Korba Coal Mines,Chhattisgarh)
... of mines also they faces reduction in quality of life due to denial of access of food availability ...as coal mining is in developing stage ...specially coal mine ...of coal industry to ...
10
Electrical energy monthly bulletin 11-1980
... Distributors' own consumption Hard coal mines and lignite mines, patent fuel plants Coal mines and patent fuel plants Lignite mines and briquetting plants Gasworks and coke oven plants..[r] ...
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Heavy metals in groundwater from the coal bearing aquifer in northern Anhui Province, China: Concentrations and usability
... the coal bearing aquifer system in four different coal mines (7- Wugou coal mine; 8- Qianyingzi coal mine; 12- Wolonghu coal mine; 8- Baishan coal mine) in northern Anhui ...
5
Energy statistics yearbook 1989
... CHAPTER 3: TABLES BY ENERGY SOURCE Coal economy indicators: 19S0-89 Principal aggregates of coal Hard coal: Intra-Community imports Hard coal mines: output, capacity and stocks Inland de[r] ...
160
Labour productivity in coal mining sector in India: with special to major coal mining states
... of Coal has increased from 35 million tons in 1951 to ...of Coal sector was not uniform throughout the five ...in coal mines in Tamil Nadu and Orissa is very high in comparison with other ...
15
Energy Monthly Statistics- 1987 No. 10
... Résultats généraux : - - Hard coal mines 38 World production : Coal 45 46 - Mines de houille Production mondiale : Charbon Natural gas Gaz naturel 47 - Importations de produits pétrolier[r] ...
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