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Radiant heating of coal dust clouds by flames in coal mine galleries

Phase relations in the alkaline earth fluoride-yttria systems :(in three parts).

Role of alumina-to-silca mole ratio in the lime-soda sinter process

Bureau of Mines apparatus for thermal analysis :simultaneous DTA-TG-EGA for oil shale and solid fuels

Design and construction of a radiation probe

Effect of fuel composition on exhaust emissions from a spark-ignition engine

Sorption of SO₂ and regeneration of alkalized alumina in fluidized-bed reactors

Method of weighing an object in gaseous atmospheres to obtain its true mass and volume

Magnetic roasting and leaching for upgrading Minnesota manganiferous iron ores

Crater scaling in granite for small charges

Slagging fixed-bed gasification of North Dakota lignite at pressures to 400 psig

Effects of explosive properties on free-surface displacement pulses and crater dimensions

In situ tests of bearing capacity of roof and floor in selected bituminous coal mines :a program report - longwall mining

Electrochemical recovery of high-purity nickel and cobalt from crude nickel and ferronickel

Diffusion studies of light hydrocarbon gases through coal

Electrophoretic-specific gravity separation of pyrite from coal :laboratory studies

Phase relations in the alkaline earth fluoride-yttria systems :(in three parts).

Plates with rows of holes considered as anisotropic soft-inclusion models of three-dimensional room-and-pillar mining systems

Evaluation of chemical-cartridge respirator face fit

Thermodynamic data for silver chloride and silver bromide

Investigation of a low-grade gold deposit in the Orogrande district, Idaho

Rock fragmentation by creating a thermal inclusion with dielectric heating

Prediction of coal grindability from exploration data

Radiographic test for electrodeposit porosity

Compressibility factors for helium and carbon dioxide mixtures at -10⁰ and -20⁰C and pressures to 1,000 psia

Tunnel boring technology :disk cutter experiments in sedimentary and metamorphic rocks

Viscosity of the helium-nitrogen system from 133⁰ to 740⁰K for pressures between 1 and 240 atmospheres

Electrowinning misch metal from a treated bastnasite concentrate

Prediction of coke strength and carbonization product yields from exploration data

Structural models for the design of mining systems :encasement of strain gage networks in epoxy

Optimization of carbon deposition experiments in thermal oil recovery by statistical analysis

An improved method and apparatus for analysis of impurities in helium

Dawsonite and nahcolite analyses of Green River formation oil-shale sections, Piceance Creek Basin, Colorado

Control of the dust explosion hazard on coal mine shuttle-car runways

Photographic calibrations for emission spectrography using a small computer

On the function of hydrocarbon and nitrogen oxides in photochemical-smog formation

Rock noise source location techniques

Prediction of sodium concentration in lignite

Hydrodesulfurization of a residual fuel from Wilmington, Calif., crude oil

The range in metals and metal oxide systems of heavy ions in the energy range 60 to 400 kev

Mathematical evaluation of SO₂ sorption-regeneration reactions with alkalized alumina

Respirator filter penetration using sodium chloride aerosol

Waters for waterflooding San Joaquin Valley, Calif., petroleum reservoirs

Coal carbonization studies :altering composition and yield of volatile products by increasing the free space above the charge

Factors related to mineral separation in a vacuum

Washability examinations of Colorado coals

Mine roof vibrations from production blasts, Shullsburg Mine, Shullsburg, Wis.

Colorimetric determination of beryllium in coal

Heats of solution and formation of oxalic acid and some alkali metal oxalates

A method for estimating strength of rock containing planes of weakness


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