TRAIL - Technical Report Archive and Image Library

Rare elements in coal

Borehole deformation gage for determining the stress in mine rock

Performance of a screw-type, classifier-cyclone combination :a laboratory evaluation

High-temperature heat contents and entropies of sesquioxides of europium, gadolinium, neodymium, samarium, and yttrium

Heats and free energies of formation of germanium dioxide

Defluorination of fluorspar :pyrohydrolysis at 1,500⁰ C.

Hydrogen as an oxidation retardant in gas-cooled systems

Defluorination of fluorspar :preparation of aluminum fluoride from siliceous fluorspar

A microhydrogenation technique for identifying organic sulfur, nitrogen, oxygen and halogen compounds

Cemented tungsten carbide with titanium diboride additions

Titanium resources of Nelson and Amherst counties, Va. (in two parts).

Alkyl-dithiocarbamic acid amine salts as flotation collectors for sulfide lead slime

Methods of analyzing oilfield waters :metallics : copper, nickel, lead, iron, manganese, zinc and cadmium

Estimating daily exposures of underground uranium miners to airborne radon-daughter products

Spectrochemical analysis of high-purity beryllium

Design, construction, and evaluation of an electron probe x-ray spectrograph

Performance of a screw-type, classifier-cyclone combination :a laboratory evaluation

Rapid determination of permeability in porous rock

Physical properties and clay mineral contents affecting susceptibility of oil sands to water damage, Powder River Basin, Wyo.

An economic evaluation of hydrogen production by the continuous steam-iron process at 7 atmospheres

Linearization of adsorption data

Spectrochemical analysis of high-purity titanium

Recovery of tin, tungsten and other metals from tin smelter wastes

Underground borate mining, Kern County, Calif.

Thermal expansion of magnesium oxide :an interlaboratory study

Autoignition of lubricants at elevated pressures

Fire and explosion hazards associated with liquefied natural gas

Ion exchange separation and instrumental analysis of impurities in rare-earth metals

Spectrographic analysis of cerium by a carrier distillation technique

Some characteristics of iron in the lime soda sinter process for recovering alumina from anorthosite

The desilication of caustic leach liquors containing alumina

Columbium-hafnium binary alloys for elevated-temperature service

Flotation and sintering studies on manganese ores stockpiled at Deming, N. Mex., and Wenden, Ariz.

Deoxidation of blister copper by gaseous reduction

Heats and free energies of formation of calcium tungstate, calcium molybdate, and magnesium molybdate

Beneficiation of refractory clay

Test operation of a pneumatic vibrating-blade planer in phosphate and coal :a progress report on planer-mining research, 1958-60

The combined effects of friction and suspension in bolting bedded mine roof

Determination of stresses around an underground opening, Climax Molybdenum Mine, Colorado

Autoradiography of carbon and sulfur in titanium steels

Gasification of bituminous coal with oxygen in a pilot plant equipped for slurry feeding

Vibration damping capacity of various magnesium alloys

Fuel-oil injection in an experimental blast furnace

Heat of solution of cerium metal in hydrochloric acid

The effect of suspension in bolting bedded mine roof

Biaxial device for determining the modulus of elasticity of stress-relief cores

Hydrogasification of bituminous coals, lignite, anthracite, and char

Extraction of manganese from low-grade dolomitic materials by a roast-leach process

Electric furnace smelting of offgrade domestic manganese ores and concentrates

Sampling of Lynch Creek beryllium-tungsten prospect, Lander County, Nev.

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