Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
RI 3031 Acrolein as a Warning Agent for Detecting Leakage of Methyl Chloride from a Multifle Refrigeration System
By H. H. Schrenk, W. P. Yant, F. A. Patty
"INTRODUCTION In accordance with the outline of investigation described in a previous report 5 of the Bureau of Mines dealing with the use of acrolein for detecting leakage of methyl chloride from uni
Sep 1, 1930
-
Reservoir Engineering - General - Early Results of the First Large-Scale Steam Soak Project in the Tia Juana Field, Western Venezuela
By H. J. de Haan, J. van Lookeren
In view of their size and favorable characteristics, Shell's heavy-oil fields on the eastern coast of Lake Maracaibo, Venezuela — known as the "Bolivar Coast" — are obvious candidates for the app
Jan 1, 1970
-
Subsidence Control Over Abandoned Mines
By Victor V. Nazimko
Long term stability of the pillars that have been remained after R&P extraction causes postponed subsidence. To prevent unforeseen subsidence and to diminish postponed subsidence 25-50% new method for
Jan 1, 1996
-
Introduction To Nuasahi Chromite Mine ? An Under Ground Chromite Mine
By Vinay Kumar Agrawal, Rama Nath Praharaj
IMFA Group is the largest producer of Charge chrome not only in India but also in Asia. This Group has plants situated at Therubali and at Choudwar. They also have a Thermal power plant at Choudwar wh
Jan 1, 2007
-
IC 9083 Subsidence Investigations Over Salt-Solution Mines, Hutchinson, KS
By Robert C. Dyni
The Bureau of Mines in cooperation with the Solution Mining Research Institute conducted surface and subsurface investigations over five solution-mined salt cavities in the Hutchinson, KS, area. The p
Jan 1, 1986
-
IC 8624 A Computer Program For Clustering Data Points On The Sphere
By Robert J. Shanley
The computer program, HYBMODE, has been developed to meet the need for a fast and economical method for clustering data points on the sphere. The algorithm used in this development is an extension of
Jan 1, 1974
-
Estimation of in-situ material strength
By Danell. R. E.
A drill monitoring system has been developed which measures performance characteristics of a rotary drill and relates this to the material strength and rotary specific energy. The drill monitor is com
Jan 1, 1989
-
Bulletin 156 The Disel Engine Its Fuels and Its Uses
By Herbert Haas
The Bureau of Mines is endeavoring to reduce waste and increase efficiency in the production, refining, and utilization of petroleum . During the last few years the demand for petroleum and its produc
Jan 1, 1918
-
Insights Into The Influences Of Paste Additions And Levels On Söderberg Electrode Management
By F. X. Prins, L. R. Nelson
Tight control of electrode paste additions, hard and soft paste levels, baked zone position and electrode temperatures are integral to superior Söderberg electrode management practices. Paste addition
Jan 1, 2004
-
Hidden Valley gold project development summary, 1987-1991
This paper summarises the development t,) date for the Hidden Valley Gold (HVG) Project. It starts with the original exploration work, covers the detailed feasibility study activities and conclude
Jan 1, 1991
-
Electrolytic Parting of Gold and Silver, At the Works of the Broken Hill Associated Smelters Pty. Ltd., Port Pirie.,
By Met B. E
During the operation of the Parkes process of desilverising, and in the earlier days of the continuous process, gold and silver were removed separately from softened lead bullion. Gold was removed in
Jan 1, 1937
-
OMC Power-Based Comminution Calculations for Design, Modelling and Circuit Optimization
By P. Scinto, A. Festa
"Orway Mineral Consultants Ltd (OMC) as a consultancy has specialized in comminution circuit design for over 30 years. The OMC Power Model is OMC’s in-house software for specific grinding energy power
Jan 1, 2015
-
Performance Of The Lorraine Mine Site Cover To Limit Oxygen Migration
By Bruno Bussière, Michel Aubertin, Anne-Marie Dagenais, Johanne Cyr
A five steps remediation program was commissioned in 1998 for the acid generating Lorraine mine site, located in the Témiscamingue region, Quebec, Canada. It included, as the main expenditure, a cover
Jan 1, 2005
-
Small Scale Carbonization and Coke Studies in Coalfield Exploration and Mine Development
Reliable and discriminating small, laboratory scale methods of study have been developed and used successfully in the critical evaluation and interpretation of the carbonization characteristics of a w
Jan 1, 1969
-
Pre-Failure Pillar Yielding
By J. F. T. Agapito, R. R. Goodrich
Yield pillars have been used for many years to help reduce stresses near mine openings and improve roof and floor stability. A yield pillar is often defined as a pillar that fails but retains residual
Jan 1, 2001
-
Identifying Opportunities to Reduce the Consumption of Energy Across Mineral Processing Plants
Identifying Opportunities to Reduce the Consumption of Energy Across Mineral Processing Plants
Sep 13, 2010
-
Characterizing the Mechanical Properties of Wax-Coated Granular Composites
By J. W. Bridge
Triaxial compression tests at various confining pressures and temperatures, as well as tangent modulus tests using ultrasonic waves, were conducted for wax-coated granular composite materials. The mat
Jan 1, 2010
-
Size effect on shear strength of computer-aided-manufactured joints
By Y. -H. Chang, Y. -J. Jou, T. -S. Ueng, I. -H. Peng
In order to systematically study the size effect on the shear strength of rock joints, this study used the computer-aided-manufacturing system to reproduce the artificial rock joints for saw-toothed j
Jan 1, 2003
-
Numerical Modelling of Monorail Support Requirements in Decline Development
This paper discusses support requirements for the proposed monorail system to be used in decline development. The monorail drilling and loading systems are systems that move on the rail (monorail) ins
Dec 6, 2010
-
A Classic Experiment with Air Overpressure and Windows
By Charlie Adcock, Rob Farnfield, Andy Wetherelt
The ISEE Blasters Handbook gives guidance on the level of air overpressure likely to cause occasional window breakage (151dB) and general window breakage (171dB). A long-term safe level of 140dB is al
Jan 1, 2006