Results 301 to 310 of about 63,148 (319)
Prevention of explosion in coal mine and management of coal mine gas [PDF]
Journal of Coal Science and Engineering (China), 2009 There are many problems in terms of safe coal production and the sound development of the coal industry. Accompanying the intensification and increasing efficiency of coal production and the conducting of mining operations at deeper and more remote areas of mines, the efficient recovery and utilization of Coal Mine Methane (CMM) is an important issue ...
Shinji Tomita +2 more
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Journal of Lesbian Studies, 1999
SUMMARY The author explains that lesbians' failure to "succeed" at coupling should be seen as a warning to all of humanity that the institution of marriage is not a viable relationship model.
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SUMMARY The author explains that lesbians' failure to "succeed" at coupling should be seen as a warning to all of humanity that the institution of marriage is not a viable relationship model.
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Journal of the A.I.E.E., 1925
To purchase or generate power for mine requirements is determined on basis of minimum power charge against coal production. Alternating-current transmission results in better efficiencies and lower costs. The choice of coal hoisting systems is based on reliability with cost secondary.
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To purchase or generate power for mine requirements is determined on basis of minimum power charge against coal production. Alternating-current transmission results in better efficiencies and lower costs. The choice of coal hoisting systems is based on reliability with cost secondary.
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Frontiers of Health Services Management, 2006
AMERICA'S NOT-FOR-PROFIT HOSPITALS must survive. Period! They are the foundation of our nation's healthcare system, born out of community need, and have always played a significant role in support of the country's safety net hospitals. Combined, the public/non-profit sectors provide the lion's share of healthcare to America's most vulnerable patient ...
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AMERICA'S NOT-FOR-PROFIT HOSPITALS must survive. Period! They are the foundation of our nation's healthcare system, born out of community need, and have always played a significant role in support of the country's safety net hospitals. Combined, the public/non-profit sectors provide the lion's share of healthcare to America's most vulnerable patient ...
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An analysis of coal mine lung diseases in the US coal mines
2021Underground coal miners are exposed to different health and safety hazards. Analysis of mine accident data can provide valuable information on the probable causes of mine accidents and the mitigation techniques to reduce the risk and the consequences of those accidents.
Pedram Roghanchi +2 more
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Mining Science and Technology, 1986
Abstract The majority of coal mines encounter groundwater during mining. The water creates environmental, operational and stability problems. Water also creates stability problems with dams, dykes and spoil piles, particularly on dragline mining projects.
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Abstract The majority of coal mines encounter groundwater during mining. The water creates environmental, operational and stability problems. Water also creates stability problems with dams, dykes and spoil piles, particularly on dragline mining projects.
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The ANNALS of the American Academy of Political and Social Science, 1926
THIS subject is much too extensive to be even fairly adequately treated in a short paper, consequently there can be given here only a partial summation of the writer's conception of "Safety in Coal Mining" after somewhat over twenty-five years' experience in mining wholly within the United States.
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THIS subject is much too extensive to be even fairly adequately treated in a short paper, consequently there can be given here only a partial summation of the writer's conception of "Safety in Coal Mining" after somewhat over twenty-five years' experience in mining wholly within the United States.
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New Zealand Journal of Industrial Relations, 1978
This paper is intended as an introduction to a disputes resolving procedure peculiar to the New Zealand mining industry. To the best of the writer's knowledge no previous attempt has been made to describe this mdustrial tribunal (Coal Mines Council). I could find no trace of any in-depth study on the value of this and other industrial decision-making ...
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This paper is intended as an introduction to a disputes resolving procedure peculiar to the New Zealand mining industry. To the best of the writer's knowledge no previous attempt has been made to describe this mdustrial tribunal (Coal Mines Council). I could find no trace of any in-depth study on the value of this and other industrial decision-making ...
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The British Journal of Sociology, 1953
HE PURPOSE of this paper is to analyse the overt causes of strikes | in coal-mining and to probe into some of the factors underlying the X disputes. Overt causes of strikes cannot be accepted uncritically as indications of the sources of friction.
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HE PURPOSE of this paper is to analyse the overt causes of strikes | in coal-mining and to probe into some of the factors underlying the X disputes. Overt causes of strikes cannot be accepted uncritically as indications of the sources of friction.
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2017
When some of our colleagues learned that we were advocating the use of coal as our primary source of fuel for both electricity and hydrogen for motor vehicles, many were concerned about the danger of coal mining. But we discovered that coal mining safety has improved over the years, and that many other vocations are more dangerous.
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When some of our colleagues learned that we were advocating the use of coal as our primary source of fuel for both electricity and hydrogen for motor vehicles, many were concerned about the danger of coal mining. But we discovered that coal mining safety has improved over the years, and that many other vocations are more dangerous.
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