Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
10066 results returnedSearch results
- Effect of end conditions on determining compressive strength of rock samples
- Investigation of operating variables in the attrition grinding process
- Electrowinning aluminum from aluminum chloride :operation of a two-compartment cell
- Reaction of coal with steam at high pressures
- Field investigation and testing of a Minnesota clay resource for iron ore pellet bonding
- Comparison of trip lights and reflectors
- Laboratory studies on the use of sodium sulfate for removing copper from molten iron
- Large-scale studies of gas detonations
- Determination of incombustible content of mine dust by nuclear method
- Thermodynamic properties of helium, nitrogen, and helium-nitrogen mixtures from 240⁰ to 950⁰ R for pressures between 14.696 and 3,000 psia
- Colorimetric method for arsenic in coal
- Magnetic separation of pyrite from coals
- Chlorine dissolution of several ferroalloys
- Preparation characteristics of coal from Clarion County, Pa.
- Ultrafine grinding of anthracite
- Heats of formation of four anhydrous sodium borates
- Copper removal from steel scrap by thermal treatment :feasibility study
- Processing characteristics of crude oils from the Williston Basin in Montana, North Dakota, and South Dakota
- Hydrogenation of Coal and Tar
- Tunneling: Recommended Safety Rules
- Experiments on the flow of mercury in porous media in a transverse magnetic field
- Sampling and coking studies of several coalbeds in the Kokolik River, Kukpowruk River, and Cape Beaufort areas of arctic northwestern Alaska
- Materials handling research :hydraulic transportation of coarse solids
- Pyrite size distribution and coal-pyrite particle association in steam coals :correlation with pyrite removal by float-sink methods
- Use of antifissurants in making better coke from Sunnyside coal from Utah
- Improving returns from mine products through use of operations research techniques
- Injury experience in coal mining, 1966 :analysis of mine safety factors, related employment, and production data
- Waste disposal costs of a Florida phosphate operation
- Impact of petroleum development in the Gulf of Mexico
- Waste disposal costs at two coal mines in Kentucky and Alabama
- Helium symposia proceedings in 1968, a hundred years of helium :Helium Applications Symposium, Washington, D.C., October 23-24, 1968 [and] Helium Centennial Symposium, Atlantic City, N.J., September 11, 1968
- Dust control in mining, tunneling, and quarrying in the United States, 1961 through 1967
- Helium :bibliography of technical and scientific literature, 1962, including papers on alpha-particles
- Production of metallic concentrates from high-silica iron ores
- Relative effects of grouped physical variables on the revenue-cost system of a lead-zinc mining operation
- Preparation of rare-earth and yttrium metals by electrodeposition and vacuum distillation of alloys
- A systems approach to recovering gold resources in Jefferson County, Mont. :introductory review
- Destructive distillation of scrap tires
- Methods for producing alumina from clay :an evaluation of two lime sinter processes
- Laboratory oil-recovery tests with ultrasonically formed emulsions
- Mass spectrometry :residual gas analysis during vacuum melting
- Chemical reclaiming of superalloy scrap
- High-purity zinc and tin by amalgam electrorefining
- Effect of cetane improvers in the fuel on nitrogen oxides concentration in diesel exhaust gas
- Vapor pressures of metal halides :the CdCl₂-SnCl₂ CdCl₂-ZnCl₂, PbCl₂-SnCl₂, and PbCl₂-ZnCl₂ binary systems / by
- Radiotracer procedures for mechanistic studies in air pollution research
- Extraction of copper from oxides using iron and steel scrap :principles and application to pure systems
- Effect of increasing end constraint on the compressive strength of model rock pillars
- Bureau of Mines coal-fired gas turbine research project :test of combustor and ash separators for open-cycle plant
- Magnetic separation of minerals of low susceptibility and small particle size
