Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
10066 results returnedSearch results
- Oil shale retorting in a 150-ton batch-type pilot plant
- Coal mine combustion products:neoprenes, polyvinyl chloride compositions, urethane foam, and wood
- Elemental composition of coal mine dust
- Ventilation eddy zones at a model coal mine working face
- A mathematical model to guide the discovery of ore bodies in a Coeur d'Alene lead-silver mine
- Emission characteristics of a prime mover for hybrid vehicle use
- Statistical analysis of methane concentration fluctuations produced by incomplete mixing of methane and air at a model coal mine working face
- Electrochemical anodic reaction rate of vanadium metal with molten VCl₂-VCl₃-NaCl mixtures
- Pulsed nuclear magnetic resonance studies of oil shales-estimation of potential oil yields
- Compression testing of rock in simulated lunar environment
- Washing fine-size coal in a dense-medium cyclone
- Carbon steel from prereduced pellets-acid practice
- Increasing fluosilicic acid evolution from phosphate rock by digestion with phosphoric acid
- Microdetermination of volatile matter and rock dust concentration of airborne coal mine dust
- Solvent stimulation tests in two California oilfields
- Detection and delineation of faults by surface resistivity measurements:Schwartzwalder mine, Jefferson County, Colo.
- Qualitative characterization of 370⁰ to 535⁰C aromatic concentrates of crude oils from GPC analyses
- Waste lubricating oil research:a comparison of bench-test properties of re-refined and virgin lubricating oils
- Mine pager to public telephone interconnect system
- Development of titanium load cells for support load determination
- Mine roof simulator:definition and discussion of parameters
- Oxidation of mixed iron and copper chlorides
- Methane in the Pittsburgh coalbed, Washington County, Pa.
- A new method of analysis to obtain exact solutions for stresses and strains in circular inclusions
- Effect of impurities and additives on the electrowinning of zinc
- Physical property data on coal waste embankment materials
- Infrared spectra of compounds of importance in lead sulfide flotation
- In situ determination of rock behavior by overcore stress relief method, physical property measurements, and initial deformation method
- Tunnel boring technology:disk cutter experiments in metamorphic and igneous rocks
- Evaluation of a novel electrophoretic separation method to remove pyritic sulfur from coal
- Strengthening molybdenum by powder metallurgical internal oxidation of ZrMo₂
- Cost of producing copper from chalcopyrite concentrate as related to SO₂ emission abatement:an evaluation of five smelting procedures
- Proceedings of the Symposium on Talc, Washington, D.C., May 8, 1973
- Ash utilization :proceedings: Third International Ash Utilization Symposium. Sponsored by National Coal Association, Edison Electric Institute, American Public Power Association, National Ash Association, and Bureau of Mines, Pittsburgh, Pa., March 13-14, 1973
- Bureau of Mines, Pittsburgh Mining and Safety Research Center research and development activities :fiscal year 1971
- Profitability analysis of producing crude oil by waterflooding using a simulation technique
- Analyses of natural gases, 1973
- Basic estimated capital investment and operating costs for coal strip mines
- Recovery of secondary copper and zinc in the United States
- Extracting minerals from geothermal brines: a literature study
- Theoretical and experimental studies on the packing of solid particles :a survey
- A Bureau of Mines direct-reading azimuth protractor
- Overcoring equipment and techniques used in rock stress determination
- Control of fires in abandoned mines in the eastern bituminous region of the United States :a supplement to bulletin 590
- A computer program for clustering data points on the sphere
- Rapid wet chemical methods for the analysis of blast furnace slags
- Ground control aspects of coal mine design :Proceedings: Bureau of Mines Technology Transfer Seminar, Lexington, Ky., March 6, 1973
- Potential solid waste generation and disposal from lime and limestone desulfurization processes
- Assessment of U.S. petroleum supply with varying drilling efforts
- Mine communications :proceedings: Bureau of Mines Technology Transfer Seminar, Bruceton, Pa., March 21-22, 1973