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Airflow Movement Through Longwall Coalface Wastes
By M. J. Richards
Spontaneous combustion caused by the movement of air through the waste is a major problem. Combat methods attempt to exclude oxygen rich air, but little is known about airflow through the waste.
Jan 1, 1987
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Airflow Requirements for Modern Diesel and Electric Equipment
By Euler De Souza, J. Daniel Stinnette, Julian Varaschin
"This paper outlines some of the factors that affect the airflow required for the ventilation of modern diesel-powered equipment and of electric equipment and examines how they can be applied in deter
Jan 1, 2019
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Airflows through Openings of Smelter Buildings Exposed To Crosswinds
By E. Dernedde
Cell rooms of aluminium smelters have large openings in the sidewalls and in the roof. These openings provide a high ventilation rate, which removes heat and contaminants emitted by the reduction cell
Jan 1, 2007
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Airplane Transport to Remote Peruvian Mines
By Charles Will Wright
THE HIGHLY SPECIALIZED heavy air transport services to mining regions, such as exist in the New Guinea gold fields and in northern Canada, have been even more essential in the development of mines in
Jan 1, 1940
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Airplanes Solve Alaskan Mining Problems
By CLARENCE WM. POY
THE most common difficulty faced by an engineer or mine operator when opening a new property in a new field is the lack of roads and of cheap transportation. This one item often swings the balance of
Jan 1, 1935
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Airway Responsiveness and Job Selection: A Study in Coal Miners and Non-Mining Controls
By M. L. Wang, S. R. Short, E. M. Daniloff, E. L. Petsonk, D. M. Mannino, G .. R. Wagner
"Background—It has been suggested that health related job selection is a major cause of the healthy worker effect, and may result in inaccurate estimates of health risks of exposures in the working en
Dec 1, 1996
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Airway Velocity “Rules Of Thumb” More Guidelines than Hard and Fast Rules
By R. Viljoen, K. Manns
"The mining industry instinctively follows rule-of-thumb design velocities often based on very simplistic theoretical “economic velocity” optimization calculations to determine airway sizes. Although
Jan 1, 2019
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Ajuste Do Modelo Matemático Dos Fornos De Reaquecimento De Placas Para Operação Com Gás Natural
By Antonio Adel dos Santos
Em agosto/2014 foi introduzido o gás natural, GN, na matriz de combustíveis dos fornos de reaquecimento de placas da Linha de Tiras a Quente, em Ipatinga, eliminando o óleo combustível deste processo.
Aug 16, 2017
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Ajustes No Modelo De Ritmo Do Laminador De Tiras A Quente Com Foco Na Produtividade
By Leonardo Zuchi Guio
A ArcelorMittal Tubarão vem trabalhando continuamente no aumento de produção de seu Laminador de Tiras a Quente (LTQ). Com o aumento da produção, o risco de colisão de material ao longo do LTQ, com ma
Oct 30, 2017
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Akita Electrolytic Zinc Plant And Residue Treatment Of Mitsubishi Metal Mining Company, Limited, Akita, Japan
By Eifu Moriyama
In 1953, Akita Plant, having a capacity of 560 tons per month, was built at Akita city by Mitsubishi Metal Mining Co., Ltd. for the purpose of treatment of the Ikuno and Akenobe Mines's zinc conc
Jan 1, 1970
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Al and ES: Possible Solutions for the Mineral Industry Brain Drain
By R. Dewey
WHAT IS AI? It's very hard to say. Most researchers and practitioners disagree with nearly any attempted definition, but most would agree that A1 does deal with the development of computer-re
Jan 1, 1987
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Al Assisted Coal Interpretation Techniques
By Godresse M, Turczynski G. P J, Driver I. J, Low G, Ozawa N
Geological evaluations of coal deposits have been traditionally undertaken in a somewhat manual manner. Information is collected downhole by chip sampling, coring and using downhole geophysical log
Jan 1, 1995
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Al Control In High Titanium Ferro With Low Oxygen
By Guan-Yong SHI, Cong Wang, Zhi-he DOU, Ting-an ZHANG, Shi-gang FAN
Based on the pre-works, this paper proposed a new short stage process of the intensify aluminothermy reduction by the stage to prepare high titanium ferroalloy with low O and Al contents. We investiga
Jan 1, 2015
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AL KIN - A new generation of fluxing and purging technology for a cleaner Aluminium
By F. Filzwieser, K. Gamweger
The process of gas purging in molten aluminium has been an industrial practice in Europe for many years. The advantages are a reduction in the hydrogen content and impurities in the melt, as well as a
Jan 1, 2004
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Alabama Coal Mining Practices
By Milton Fies
ALTHOUGH pig iron from iron ore and red cedar charcoal preceded the mining of coal by many years, for tradition says that Alabama iron was used to shoe the horses of Andrew Jackson's soldiers, co
Jan 9, 1924
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Alabama Flake Graphite In World War II
By Hugh D. Pallister, Richard W. Smith
The Alabama flake-graphite industry has flourished only in times of war when importations of foreign graphite for crucible use have been greatly curtailed or cut off. World War I was a boom period and
Jan 1, 1945
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Alameda Corridor-East: San Gabriel Trench Project
By David Peterson, Terry Tucker, Rafael Serrano
"The Alameda Corridor-East (ACE) Construction Authority awarded a $172.6 million contract to Walsh Construction Company (Walsh) for the construction of a 2.2 mi (3.5 km) long grade separation includin
Jan 1, 2017
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Alan M. Bateman – An Interview by Henry Carlisle
Carlisle: An old friend and good friend, Alan Bateman, is the Silliman Professor of Geology Emeritus at Yale and editor of the Journal of Economic Geology. Now, Alan, let's start off by telling u
Jan 11, 1964
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Alarm and evacuation systems in underground mining
By J. L. Fuentes-Cantillana, Á. Rodríguez, P. Morillo
Evacuation operations from work places in the case of an emergency are the key to minimising the effects of catastrophic type accidents such as fires, explosions, cave-ins, floods, etc. The correct pl
Jan 1, 2003
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Alaska Coal-Land Problems.
By H. Foster Bain
(San Francisco Meeting, October, 1911.) [SECRETARY'S NOTE.-This paper, presented in oral abstract, at the San Francisco meeting, was not at first supposed by Mr. Bain to be required for publicat
Aug 1, 1912