Search U.S. government technical reports digitized or harvested by TRAIL.
Carbonizing properties of coals from Fayette, Greene, and Washington counties, Pa.
Heavy liquid cyclone concentration of minerals (in two parts).
Cast hafnium carbide-carbon alloys :preparation, evaluation, and properties
Centrifugal dewatering of Jamaican red mud
Laboratory oil-recovery experiments using ultrasonic energy
Pressure pulses produced by underground blasts
Boron and boron carbide by vapor deposition
Rare-earth silicide additions to an alloy steel to increase toughness and ductility
Flotation of mica from pegmatites of Randolph County, Ala.
Alumina extraction by autoclave precipitation of basic sodium aluminum sulphate
Miniature bilevel alarm for oxygen-deficient atmospheres
Effects of cobalt on precipitation hardening of AM 350 stainless steel
Analysis of mineral matter in coals by x-ray fluorescence
The incendivity of permissible explosives in coal dust-gas-air mixtures
Application of filiform tungsten to reinforce metals
Methods for determining nitrogen oxides in automotive exhausts
Effect of ammonia in cyanide solution on copper extraction from a Michigan ore
Development of a high-temperature interferometric dilatometer using a laser light source
Direct electrolysis of rare-earth oxides to metals and alloys in fluoride melts
Development and evaluation of nonincendive detonating cord
Conversion of tungsten oxychloride to tungsten hexachloride by chlorination
Effects of planes of weakness on uniaxial compressive strength of model mine pillars
Analysis of the northern Great Plains province lignites and their ash :a study of variability
Performance of a low-permeability sandstone oil reservoir, West Avant field, Osage County, Okla.
An acoustical bench for an ultrasonic pulse system
Use of fly ash for remote filling of underground cavities and passageways
Columbium and tantalum alloy development
Explosibility of miscellaneous dusts
Evaluation of phosphate fines from southeastern Idaho
Earth pressure at rest and one-dimensional compression in mine hydraulic backfills
Development of slurry explosives for use in potentially flammable gas atmospheres
Low-temperature performance of compressed-oxygen closed-circuit breathing apparatus
Microflotation studies of some columbium-tantalum minerals
Field freezing of a cerium-iron alloy
Gas chromatographic analyses of the principal constituents of mine atmospheres
Changes in ash composition of North Dakota lignite treated by ion exchange
Characteristics of Green River formation oil shales at Bureau of Mines Wyoming corehole no. 1
Corrosion properties of the TZM and molybdenum-30 tungsten alloys
Recovery of hydrofluoric acid from waste fluosilicic acid :preliminary studies
Removal of nonferrous metals from synthetic automobile scrap on heating in a rotary kiln
Effect of physical parameters on the reaction of graphite with silica in vacuum
Coal-derived humus :plant growth effects
Stresses and displacements induced in rock by tunnel boring machine props
Storage stability of gasoline :oven test for prediction of gasoline storage stability
Preparation of anhydrous chromous chloride
Mine water research :the limestone neutralization process
Flotation characteristics of some beryllium minerals and associated gangue minerals