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Concrete Cloth hydration study - SME Transactions 2014
By D. Wenstrup, K. Perry, J. Hatfield, P. Sainato, B. Lusk
Concrete-infused cloth is used in several civil and mining surface applications whose circumstances are similar to some of those in underground mining. A feature of this material is that it cannot be
Jan 1, 2014
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Reference Center
"IntroductionThe combined library facilities of the five universities in the Generic Technology Center for Respirable Dust, The Pennsylvania State University, West Virginia University, University of M
Aug 31, 1989
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Computer-Generated Main Fan Performance Curves For Various Operating Conditions
By Jerry L. Fuller
Fan performance graphs are generated by digital computer using two programs, RUN- FANS and FANPLOT. RUNFANS calculates fan performance data from stored specific-volume, specific-speed data for a given
Jan 1, 1984
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Centromín Perú pone en marcha la mina subterránea más grande del Perú
By Jorge Díaz Artieda
El presente trabajo señala los factores que determinaron la expansión de la mina subterránea más grande del país a través de la compañía CENTROMIN, a fin de operar a un máximo nivel de producción en d
Nov 8, 1982
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Bulletin 179 Abstracts of Current Decisions on Mines and Mining
By J. W. Thompson
ESTATE IN MINERALS. Minerals beneath the surface may be made the subject of separate ownership either by a grant of the minerals by the owner of the land or by a grant of the land excepting the miner
Jan 1, 1919
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An Investigation on the Effect of the Ore Particle Size on the Efficiency of Sarcheshmeh Copper Mine Crushing Unit
By Mohsen Amir-Rahmat
The ore of Sarcheshmeh copper deposit that has been located in the south ?east of Iran, contains four type of rock that they have their specific hardness and strength according to their alteration typ
May 1, 2003
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RI 5093 Some Aspects Of The Electrodeposition Of Titanium And Zirconium Coatings ? Summary
By R. M. Creamer
Attempts have been made to electroplate titanium and zirconium from aqueous, nonaqueous, and fused-salt electrolytes. Metals were produced only in fused-salt electrolytes, the major product being spon
Jan 1, 1954
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Full-Scale Field Investigations & Numerical Analyses of Innovative Seismic Composite Fiber Reinforced Polymer and Reinforced Grouted Helical Screw Instrumented Piles Under Axial & Lateral Monotonic & Cyclic Loadings
By M. Hesham El Naggar, Yasser Abdelghany
"ABSTRACT: The axial and lateral monotonic and cyclic behavior of helical pile foundations was investigated and new innovative helical screw systems suitable for seismic loadings were developed and pa
Jan 1, 2014
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Improving Fine Lead and Silver Flotation Recovery at BHP-Billiton’s Cannington Mine
By Glenn Clarke, Ben Holloway, Barry Lumsden
"BHP-Billiton’s Cannington mine in Northwest Queensland produces a silver-rich lead concentrate and a zinc concentrate. The plant has the capacity to treat 3.1 mta and for the year to June 2006 mean f
Jan 1, 2008
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RI 7015 Three-Component Borehole Deformation Gage For Determining The Stress In Rock
By Robert H. Merrill
This Bureau of Mines report summarizes the design and tests of a gage that will simultaneously measure the deformation of a borehole along three diameters 60 degrees apart; the measurements are in a s
Jan 1, 1967
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RI 3264 Smelting In The Lead Blast Furnace Handling Zinciferous Charges. XV.-Slags From The Trail Blast Furnaces
By G. L. Oldright
The past reputation of zinc as an ingredient in lead blast furnace slags has been bad. Zinc is thought of as a cause of accretions in the shaft of the blast furnace, of hot tops, of the formation of "
Jan 1, 1934
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Dewatering the Bowmans Trial Pit
By Waterhouse J. D, Harris B. M
This paper briefly describes the construction in 1979/80 of a 70m deep trial open pit coal mine near Bowmans S.A. and describes more fully the hydrogeological aspects of the exercise. The primary p
Jan 1, 1981
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RI 4658 A Preliminary Survey Of Zirconium Alloys
By C. T. Anderson
In July 1947, the U. S. Bureau of Mines, in cooperation with the Air Materiel Command, started an investigation of zirconium alloys with the object of determining the suitability of such alloys for hi
Jan 1, 1950
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Usos y aplicación del nitrato de amonio mezclado con aceite combustible como explosivo en el subsuelo en la mina Cerro de Pasco
By J. W. Germundson
La Cerro de Pasco Corporation fue una de las primeras compañías mineras que utilizó el explosivo a base del nitrato de amonio en las operaciones de explotación de subsuelo. En este sentido, el objetiv
Aug 20, 1963
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A Review Of Sub-Saharan Heavy Mineral Sand Deposits: Implications For New Projects In Southern Africa
By R. M. Tyler
The importance of the heavy mineral sands to southern African economic well-being cannot be over emphasized. The value of the worldwide titanium dioxide industry is estimated at $7 billion. Six out of
Jan 1, 2004
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IC 7802 Physical Properties Of Low-Boiling Phenols - A Literature Survey ? Introduction And Summary
By Clarence Karr
In 1955 the Federal Bureau of Mines established a low-temperature tar laboratory at its new Appalachian Experiment Station in Morgantown, W. Va. The objective of the laboratory is to investigate the y
Jan 1, 1957
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Mineralogical Assessment of a Churn-Drill Core form an Alluvial Tin Deposit
Some of the problems associated with drill core evaluation of alluvial tin deposits and correlation with plant-scale recovery are discussed. Panning churn-drill cores on site tends to undervalue such
Jan 1, 1970
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Oxidation Method for Investigating Petrographic Composition of Some Coals
By Reynold Q. Shotts
Data are presented which show that fractions of varying densities-from the same coals are oxidized at different rates by nitric acid. From oxidation data, the approximate quantity of "bright" and "dul
Jan 1, 1950
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Rate Of Reoxidation Of Ultra-Low Carbon Steel In Contact With Slag Of Various Compositions
By K. Y. Lee, J. M. Park, C. W. Park
Laboratory-scale experiments were carried out to investigate the effect of ladle slag composition on the decreasing behaviour of aluminum content in steel, i.e., reoxidation of molten steel in contact
Jan 1, 2004
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Boston Paper - The Russell Process in its Practical Application and Economic Results. Compiled from Mr. Russell's Notes
By Ellsworth Daggett
In the first paper on the Russell process presented by Mr. Stetefeldt, in May, 1884 (Transactions, xiii.), the process was treated from a purely theoretical standpoint.. 111 his second paper of Octobe
Jan 1, 1888