TRAIL - Technical Report Archive and Image Library

A dynamic gas-mixing system

Taxation and the profitability of mineral operations in seven mountain states and Wisconsin :a hypothetical study

A ball-on-block impact-spalling wear test and results on several iron alloys

Novel coal-cutting bits and their wear resistances

Beneficiation of a western Mesabi nonmagnetic taconite after reduction roasting with lignite

Magnetic properties of synthetic mischmetal alloyed with cobalt, copper, iron, and magnesium

Coal-cutting forces and primary dust generation using radial gage cutters

Problems in the control of anthracite mine fires :a case study of the Centralia mine fire (August 1980)

Electrochemical determination of thermodynamic properties of manganese sulfate and cadmium oxysulfate

Use of foam for dust control in minerals processing

Evaluation of radium and toxic element leaching characteristics of Florida phosphogypsum stockpiles

Thermal and electrical ignitability of dust clouds

Factors affecting the dissolution of gypsum-bonded roof bolts

Testing modified coal-cutting bit designs for reduced energy, dust, and incendivity

Physical property data on coarse anthracite waste

Concrete crib design and field testing

Correlation of LANDSAT and air photo linears with roof control problems and geologic features

The generation, collection, and analysis of welding fumes

Synthetic fluorspar flux in the basic cupola :evaluation of operation and fluorine volatility

Kettlebottoms :their relation to mine roof and support

Copper-manganese-base silverless brazing systems

Above-the-earth field contours for a dipole buried in a homgeneous half-space

Factors affecting the preparation of misted clay feed and solids-liquid separation after HCl leaching

Mechanical properties of some portland cement concretes made with coal and coal waste as aggregates

Dewatering of coal-clay waste slurries from preparation plants

Percolation leaching of a chalcopyrite-bearing ore at ambient and elevated temperatures with bacteria

Slurry transport properties of graded coal waste

Removal of cyanide and metals from mineral processing waste waters

Use of a sodium silicate gel grout for plugging horizontal methane-drainage holes

Increasing the leaching rate of bulk superalloy scrap by melting with aluminum

Water infusion -an effective and economical longwall dust control

Compatibility of nickel electrolyte containing sodium sulfate with a solvent extraction system

General time-dependent solutions for radon diffusion from samples containing radium

Effect of asymmetric wear of point attack bits on coal-cutting parameters and primary dust generation

Debrining of potash-clay waste slurries

Precision of personal sampling of respirable dust in coal mines

Mathematical modeling of accessory element distribution in metallurgical processes :computerization of a lead smelter plant

Corrosion-resistant sulfur concretes

Hydrometallurgical treatment of electronic scrap concentrates containing precious metals

Enthalpy of formation of 2CdO℗·CdSO₄

Selective nickel electrowinning from dilute electrolytes

Pilot mill flotation of anorthositic platinum-palladium ore from the Stillwater Complex

Recovery of chromium from surface-finishing wastes

Coal cutting mechanics and noise generation

Effects of impurities in electrolytes on electrowinning of lead from lead chloride

Calamity hollow mine fire project (in five parts).

Characterization of steelmaking dusts from electric arc furnaces

Development of a soft-soldering system for aluminum

Leaching rates for the HCI extraction of aluminum from calcined kaolinitic clay

Cl₂-O₂ leaching of massive sulfide samples from the southern Juan de Fuca Ridge, North Pacific Ocean

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