Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
RI 3735 National Motor-Gasoline Survey, Summer 1943By A. J. Kraemer, O. C. Blade
This report on the properties of motor fuels sold through service stations in the United States is a continuation of a series of reports made in accordance with a cooperative agreement between the Coo
Dec 1, 1943
-
RI 6702 Prediction Of Compressive Strength From Other Rock PropertiesBy d&apos, D. V. Andrea
Nine rock properties were determined for rocks coming from 49 locations and having a wide range of compressive strengths. Plots of the nine rock properties versus each other were prepared. A stepwise
Jan 1, 1965
-
Canmore mining operationsBy T. Patching
"COAL MINING at Canmore, Alberta, began in 1886 and continued there until July 1979. A comprehensive review of the Canmore operations is not available, but the following notes have been prepared to ac
Jan 1, 1985
-
Coal Supply Engineering Audit SupplyBy John W. Gunnett
The purpose of this afternoon’s presentation is to highlight the investigative proce dures employed to complete an engineering audit of a mining operation. Skelly and Loy has been retained to perform
Jan 1, 1992
-
Evaluation of roof rating systems being used in South AfricaBy T. Dlokweni
Several Rockmass classification systems have been developed and used in Civil Engineering design and for underground mining operations. Some of these rockmass classification systems have been modified
Jan 1, 2003
-
OFR-6-85 Research To Improve Health And Safety Programs In The Mining Industry - Volume IIBy Louis Schaffer
The objectives of the research were to determine whether a model health and safety program could be defined in terms which would enable its application to mines of all types, and, if such a model prog
Jan 1, 1983
-
New York Paper - The Diamond Drill for Deep Boring, compared with other Systems of BoringBy Oswald J. Heinrich
The great improvement which have been made in late years in the different systems and instruments used to perforate the crust of the earth for purposes of testing and exploring for mineral resources o
-
Computerized Control And Warning System For Uranium MinesBy C. T. Sheeran, J. C. Franklin
A commercially available microprocessor-based system capable of monitoring 512 channels has been interfaced with monitors for radon, working level, air velocity, and fan power. The basic system utiliz
Jan 1, 1982
-
Investigation of Heat Transfer Characteristics of Molten SlagsBy G. G. Krishna Murthy
Several experiments were conducted to determine the rates of heat transfer coefficients of CaO-SiO2-A1203-FeO slags at temperatures in the range 1623-1823 K The experimental technique involved measuri
Jan 1, 1993
-
A Depositional Model for the Morley Coal Measures, Ohai Coalfield, Southland - Applications to Coal Exploration and MiningThe Morley Coal Measures (Upper Cretaceous) at Ohai Coalfield were deposited in an intermontane basin alluvial environment of entirely terrestrial aspect. Within this regional setting, three distinct
Jan 1, 1985
-
Fundamental Basis For Classification Of EmployeesThe plan for establishing relations of American industry with national labor on a definite basis so closely follows the channels of the efforts of Engineering Council, principally in the classificatio
Jan 6, 1919
-
Need for Coal ResearchBy H. H. Lowry
SCIENCE attracts the attention and interest of an individual or an industry in general only in proportion to the apparent direct application to its immediate welfare or benefit. Engineering accomplish
Jan 1, 1936
-
Pyrite depression at Boliden Tara using F-250 – a biopolymerBy Y Peng, C Burns, Y Mu, R A. Lauten
In both laboratory flotation experiments and from analysing the composition of the lead concentrate at the Boliden Tara lead-zinc mine in Ireland, it has been found that F-250 may replace cyanide as a
Aug 29, 2018
-
Modelling of Hydrocone Crushers for Controlling Product QualityBy B. Csoke
To improve the efficiency of the crushing/screening plant of Bazalt-Középko Kobányák Ltd. (Hungary), the implementation of computer aided quality control is planned. In the current phase, the R & D wo
Jan 1, 2014
-
Dry Beneficiation of Low-Grade Iron Ore Fines Using a Tribo-Electric Belt SeparatorBy A. Gupta, F. Hrach, L. R. Mendoza, K. Flynn
ST Equipment & Technology LLC (STET) has developed a novel processing system based on tribo-electrostatic belt separation that provides the mineral processing industry a means to beneficiate fine mate
Jan 1, 2019
-
Alternative Dissolution Of Zircon Samples And Simultaneous Analysis Of Major And Trace Components ? SynopsisBy S. J. Lötter
Analysis of the major and minor components of raw zircon as well as plasma-dissociated zircon was undertaken using inductively coupled plasma optical emission spectroscopy (ICP-OES). Microwave-assiste
Jan 1, 2012
-
Reserve Mining Company – Babbitt, MinnesotaJan 1, 1978
-
Multiple Seam MiningBy Matthew Spedding
The complex nature of the carboniferous measures prevailing in the U.K. has dictated the types of mining required to exploit the coal seams. Most mines in Britain are referred to as deep mines in
Jan 1, 1977
-
A Study Of The Classification Of Ultrafine Magnetite And Its Effect On Fine-Coal Dense-Medium CycloningBy G. Ahuja
Tests were conducted to investigate the effects of cyclone geometry, operating conditions, and particle size on magnetite classification. The effects of these parameters on the partition curve for nar
Jan 1, 1994
-
Murray Basin heavy mineral strandline deposit mineralogyBy A. W. Popp
After forty years of exploration and development, the heavy mineral sand deposits of the Murray Basin are on the eve of substantial exploitation by Iluka Resources Limited, Southern Titanium NL and RZ
Jan 1, 2005