Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Coal-Mine Accidents In The United States 1935 - Introduction
By W. W. Adams
In mining coal, the Nation's principal mineral fuel, loss of life has been much lower recently than in earlier years when coal mining contributed so heavily to the industrial-accident death toll
Jan 1, 1938
-
RI 5283 Synthetic Mica Investigations, VIII: The Manufacture Of Fluor-Phlogopite By The Internal Electric-Resistance Melting Process ? Summary
By R. A. Hatch
The United States depends mainly on foreign imports, principally India, for an adequate supply of sheet mica suitable for its many uses in the electrical and electronics industries. Sheet mica has, in
Jan 1, 1956
-
IC 8420 Computer Usage For Evaluation Of Design Parameters And Cost Of Heat Exchangers - With Change In Phase On Shell Side
By P. R. Jones
The Bureau of Mines has written a computer program for the design and cost of a shell and tube type heat exchanger, in which a change in phase occurs on the shell side. The total cost, which was minim
Jan 1, 1969
-
Characteristic Curves Revisited: A More Logical Approach to Determining Operating Points – Preprint 97-53
By L. M. English, Y. J. Wang
When plotted as head vs. volume, fan curves start high and decrease in head with increasing volume while mine head curves start low and rise with increasing volume. Their intersection is the system op
Feb 24, 1997
-
High Temperature Electrochemical Measurement of Tin Oxide Activity in Slag
Few, if any, reliable thermodynamic data are available for the activity of tin oxide in slags. In this work, the activity of the oxide in silica saturated iron silicate slags has been measured at 1573
Jan 1, 1983
-
Opening the Doorway to Self Management in the Mining Industry - The Reduced Site Surveillance Programme
When the HSE Act was introduced in New Zealand in April 1993, one of the prime aims of the Government was to signal to the industry. The Government's recognition of the employer as the key person
Jan 1, 1997
-
RI 9495 - A Field Trial for Sealing Abandoned Mine Shafts and Adits With Lightweight Concrete
By E. H. Skinner
An abandoned mine shaft near Omar, in Logan County, W, was permanently sealed through a cooperative agreement between the West Virginia Department of Commerce, Labor, and Environmental Resources, Divi
Jan 1, 2010
-
Mining Complex Geology, Mitigation of Float Dust, and Developing Autonomous Machine Capability Using Horizon Sensing Technology for Coal Seam Boundary Detection
By L. G. Stolarczyk, J. Duncan
"SynopsisLong before the environmental movement, coal miners were suffering from occupational diseases that became apparent in the later years of service, and especially during the retirement years. C
Jan 1, 2015
-
Blast Master Plan: the Key to efficiency and optimization. Case study at Ellatzite copper mine.
By Grigor Mishev, Georgi Petrov, Benjamin Cebrian
Before designing a single blast or all the blasts on a pit level, it is critical to assess the main goal on each. To do this, a series of constraints must be taken into account: wall protection, vibra
Jan 1, 2016
-
An energy-based approach to blast design
By D. W. Taylor, I. W. Farmer, N. Mojtabai
Rittinger's and Bond's descriptions of rock crushing relate the energy input required to fracture rock and the surface energy required to form new fractures to the change in specific surface area of f
Jun 19, 1905
-
Outlook for World Consumption of Metals and Fuels
By A. B. Parsons
AT the outset, the authors of this paper desire to file a disclaimer and an, explanation. They have no inside information from occult sources; neither of them feigns clairvoyant powers in the slightes
Jan 1, 1937
-
150th Anniversary Victoria Bridge, 1859 - mid-December, first train; 1860 August, celebration
By H. J. McQueen
ORDER OF PRESENTATION ?INTRODUCTION TO THE VICTORIA BRIDGE ?REASONS FOR A BRIDGE AT MONTREAL ?RAILROAD BRIDGE REQUIREMENTS ?IRON PRODUCTION CANADA / WORLD AL ?METALLURGICAL INDUSTRY CANADA ?FA
May 1, 2011
-
IC 6770 Manganese Its Occurrence, Milling, and MetalIurgy. Part III
By Edmund S. Leaver, R. S. Dean, T. L. Joseph
The metallurgy of manganese has developed along the lines of iron metal¬ lurgy. Enough high-grade ore has Been available so that by reduction with carbon it could be turned into an iron-ma.nga.nese al
May 1, 1934
-
Lake Cumberland Raw Water Intake Structure—Somerset Water Service
By Timothy M. Bruner, William J. Maloney
Faced with rapid growth that strained their current water supply capabilities, the Somerset Water Service in Somerset, KY decided to construct a new intake structure on the shore of Lake Cumberland. W
Jan 1, 2001
-
Tertiary Training - Non-degree Courses
In addressing the need for non-degree tertiary training, let us examine some recent reviews of engineering and geoscience education. The Finniston Report (1) criticised the formation of engineers in
Jan 1, 1989
-
Geology - The Need of a New Philosophy of Prospecting, 1960 Jackling Lecture (Mining Engineering Jun 1960, pg 570)
By L. B. Slichter
Prospecting is certainly the world's biggest and best gambling business. It is a game where the chips cost many thousands and where many millions, even billions, can be won. An attractive feature
Jan 1, 1961
-
Hydraulic Excavator versus Electric Rope Shovel Performance
By J. Sammut, T. G. Joseph, R. Andreev, M. Curley
"Decisions regarding mining method and subsequent choice of excavator must take into account the quantitative factors of productivity, availability, and capital, operating, and maintenance costs. Dig
Jan 1, 2019
-
Salitre Project Brazil
By Roberto Busato Belger
- Fertilizer Business Overview - Supply -Demand Balance in the World - Supply -Demand Balance in Brazil - Brazilian Market Growth Opportunities - Fosfertil Operations - Fosfertil Expansion Plan
May 1, 2010
-
IC 8415 Bibliography Of Investment And Operating Costs For Chemical And Petroleum Plants, January-December 1968 ? Introduction
By Sidney Katell
This report, covering the period January 1968 through December 1968, is a continuation of a series that began with the publication of Information Circular 7516 in October 1949. It is the tenth in a se
Jan 1, 1969
-
Some Rb-Sr Measurements on Granites Near Mount Isa
Rb-Sr measurements on total-rock samples of granitic rocks from the Mount Isa region have confirmed the existence of two periods of granite-forming activity. The Kalkadoon Granite, together with the E
Jan 1, 1966