TRAIL - Technical Report Archive and Image Library

Use of cryogens to reclaim nonferrous scrap metals

Purification of yttrium by electrorefining

A study of fragmentation from bench blasting in limestone at a reduced scale

Liquid state spectral emissivities of titanium, vanadium, zirconium, molybdenum, and platinum in an electron-beam furnace

Hydrogenating shale oil at low space velocity

Emission characteristics of an aircraft auxiliary power unit

Beneficiation of Calico District, California, silver-barite ores

Aragonite and the genesis of carbonates in Mahogany zone oil shales of Colorado's Green River formation

Continuous heavy liquid concentration of high-clay potash ores

Phase-contrast enhancement without spatial filters for seismic holography

Better coke by using antifissurants :results for Illinois no. 6 and high splint coals

Analysis of the geometry of fractures in San Manuel Copper Mine, Arizona

Analyses of tipple and delivered samples of coal :collected during fiscal year 1972

Development of a portable radon detector

Geochemical aspects of the saturated hydrocarbon constituents of Green River oil shale-Colorado no. 1 core

Solvent extraction of nitrate from titanium leacher effluent

Methods and evaluation of explosive fracturing in oil shale

Characterization of the valence state of iron in coal dust

Chemical flame inhibition using molecular beam mass spectrometry bromotrifluoromethane in low-pressure methane-oxygen-argon flames

Analysis of trace elements in coal by spark-source mass spectrometry

Cleaning titanium alloy chips

Autogenous smelting of copper sulfide concentrate

Oxidation of cement copper by flash roasting

Radioactive tracer pulse method of evaluating fracturing of underground oil shale formations

Establishing standards for effective wire rope clip installation

Preparation of samarium-cobalt permanent magnets

Decomposition of hydrogen sulfide in an electrical discharge

Thermodynamic properties of three sodium titanates

Geologic factors causing roof instability and methane emission problems :the Lower Kittanning coalbed, Cambria County, Pa.

Radical species profiles for a methane-oxygen-argon flame

Procedures used for sampling fracture orientations in an underground coal mine

Resource recovery from raw urban refuse

Hazard from engines rebreathing exhaust in confined space

Recovery of zinc, copper, silver, and iron from zinc smelter residue

Rock damage from small charge blasting in granite

Ionic and neutral reactions in glow discharges of a He-SO₂-CO mixture

Nuclear gages for monitoring the coalbed of commercial-scale pressurized gas producers

Methane control by isolation of a major coal panel :Pittsburgh coalbed

An algorithm for calculating multiphase chemical equilibrium

Minimum extinguishant and maximum oxygen concentrations for extinguishing coal dust-air explosions

The spectral growth of expanding flames :the infrared radiance of methane-air ignitions and coal dust-air explosions

Sulfur dioxide emission control by hydrogen sulfide reaction in aqueous solution :the citrate system

Large-scale continuous attrition grinding of coarse kaolin

Gases desorbed from five coals of low gas content

Respirable dust adhering to run-of-face bituminous coals

The composition of coalbed gas

Correlations of phase-boundary pressures of condensate fluid systems with compositions modified by added butane

The Association of automotive fuel composition with exhaust reactivity

Fracturing in the zone around a blasthole, White Pine, Mich.

Sulfatization-reduction of manganiferous iron ore

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