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OFR-122(3)-80 Alumina Process Feasibility Study And Preliminary Pilot Plant Design - Task 3 Report: Preliminary Design Of 25 Ton Per Day Pilot Plant - Volume III - Appendix A - Equipment List, Specifications And Quotations - Areas 8 - 25 ? IntroThis appendix contains the list of equipment, their corresponding number and their specifications with the quotations from the vendors/ manufacturers who can supply this equipment. The listings are ar
Jan 1, 1979
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OFR-122(4)-78 Advancing Oil Shale Mining Technology: Program Evaluation - Benefit-Cost AnalysisBy G. F. Kuncir
The analysis described herein evaluates the Bureau of Mines Program for Advancing Mining Technology - Oil Shale in terms of the economic benefits which may be derived for the Nation as a result of its
Jan 1, 1977
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OFR-122(4)-80 Alumina Process Feasibility Study And Preliminary Plot Plant Design - Task 3 Report: Preliminary Design Of 25 Ton Per Day Pilot Plant - Volume IV - Appendix B - General Specification - Section 1 - Building Description1.0 Control House (DWG. NO. 56-401-G) - 1.1 Physical Description The Control House is a single story, 2728 square foot building with an adjacent transformer yard. A four foot overhang provides shad
Jan 1, 1979
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OFR-122-76 The Illumination Of The Greenwich Collieries LongwallThis report describes the development, installation and performance of a lonpwall illumination system. The longwall illumination system was installed at the Greenwich Collieries 112, Cockport, Pa.
Jan 1, 1976
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OFR-122-77 Mine Grounding Systems: Evaluation Of Ground Beds And Ground-Bed Monitors And Evaluation Of Modular Ground-Wire MonitorBy Wils L. Cooley
Several aspects of coal mine safety-ground system operation are studied. Evaluations of two sophisticated ground-wire monitors are presented, along with a detailed report of development work on a modu
Jan 1, 1977
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OFR-122-82 Study Of Parameters Which Influence The Energy Utilization Efficiency In The Grinding Of Gabbro OresBy S. Raghavan
An investigation of the possibility of improving the grinding characteristics of a gabbro ore containing copper and nickel sulfides via a thermal shock treatment technique has been carried out. The re
Jan 1, 1981
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OFR-123(1)-78 Advancement Of Mine Ventilation Network Analysis - From Art To Science - Volume I - Executive SummaryBy R. V. Ramani
This volume, the first of a six volume final report, provides an executive summary of the research and results carried out under a grant from the U. S. Bureau of Mines on underground coal mine ventila
Jan 1, 1977
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OFR-123(1)-81 Finite Element Analysis Applied To Resin And Mechanical Roof Bolting Systems For Strata Bound Deposits - Volume IBy J. C. Gerdeen
This project was a supporting effort with research contract H0230016 at White Pine Copper Company. Creep properties of White Pine rock were determined. These and properties for bolted joints were used
Jan 1, 1976
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OFR-123(2)-78 Advancement Of Mine Ventilation Network Analysis From Art To Science - Volume II Mine Ventilation Network Theory - I. IntroductionBy M. Didyk
The final objective of a mine ventilation project is to find a way of supplying the working faces with the necessary quantity of air to dilute all the possible air contaminants to safe limits and to m
Jan 1, 1977
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OFR-123(2)-81 Finite Element Analysis Applied To Resin And Mechanical Roof Bolting Systems For Strata Bound Deposits - Volume II - Appendix B - Description of Input Data for Computer Program SAP-SBy J. C. Gerdeen
SAP-S information on the following element types are included in this appendix: Type 1. Three-Dimensional Truss and Bolt Element Type 4. Two-Dimensional Finite Elements Type 8. Variable-Numb
Jan 1, 1976
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OFR-123(3)-78 Advancement Of Mine Ventilation Network Analysis From Art To Science - Volume III - User's Manual For PSU/MVSBy M. Didyk
In this report, the application of the PHU/MVS program is demonstrated through the use of a simple but realistic mine ventilation program. The report details, the problem description, the input data r
Jan 1, 1977
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OFR-123(4)-81 Finite Element Analysis Applied To Resin And Mechanical Roof Bolting Systems For Strata Bound Deposits - Volume IV ? Appendix D - Listing Of Computer Program SAP-S - 1. Program Layout Of SubroutineBy J. C. Gerdeen
It is of upmost importance to keep the size of the program to a minimum for the computer being used. One way is to reduce the size of the data bank by adjusting the large common array A in the main pr
Jan 1, 1976
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OFR-123(5)-78 Advancement Of Mine Ventilation Network Analysis From Art To Science - Volume V Application Of PSU/MVS To The Ventilation Planning Of A New MineBy R. Stefanko
In this report, the use of Penn State Ventilation Simulator (PSU/MVS) for planning and evaluating new coal mine ventilation systems is demonstrated. The simulator's application to evaluate the ve
Jan 1, 1977
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OFR-123(6)-78 Advancement Of Mine Ventilation Network Analysis From Art To Science - Volume VI Application Of PSU/MVS To The Analysis Of Modifications To Existing Ventilation SystemsBy G. W. Luxbacher
This volume describes the use of the Penn State Mine Ventilation Simulator (PSU/MVS) to model existing mine ventilation systems and, in addition, to evaluate the effect of system modifications. Ventil
Jan 1, 1977
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OFR-123-76 Evaluation Of Underground Conventional Mining EquipmentBy William J. Douglas
This document describes the development of a conventional mining equipment data base, and an approach for conducting industrial engineering studies of arbitrary mining systems employing network techni
Jan 1, 1976
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OFR-123-77 Development And Performance Of A Field Calibration Light SourceBy Richard A. Walker
This report describes the development and performance of a multi-level, multi-function Calibration Light Source designed for field-calibration of a group of specific photometers. The Calibration So
Jan 1, 1976
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OFR-124(1)-78 Evaluation Of Diesel Equipment Deployment In Underground Coal Mines - Volume I - Validation Experiments For Models Of Diesel Exhaust Contamination Of Mine AtmospheresBy R. Stefanko
The industrial hygiene and safety aspects with internal combustion engine in mining systems is truly interdisciplinary and encompasses many fields such as mine ventilation, exhaust gas and particulate
Jan 1, 1977
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OFR-124(2)-78 Evaluation Of Diesel Equipment Deployment In Underground Coal Mines - Volume II Diesel BibliographyBy R. V. Ramani
The industrial hygiene and safety aspects with internal combustion engines in mining systems is truly interdisciplinary and encompasses many fields such as mine ventilation, exhaust gas and particulat
Jan 1, 1977
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OFR-124(2)-81 Longwall Subsidence Case History Number 2 - Northern Appalachian Coal RegionBy Larry R. Powell
As part of the Bureau of Mines effort to establish a comprehensive subsidence data base for subsidence technology development, subsidence and related data are being compiled for various mining, geolog
Jan 1, 1981