Browse TRAIL Inventories

An ultrasonic method for determining the elastic symmetry of materials

Suggested orientation conventions for elastically anisotropic polycrystalline and amorphous materials

An ultrasonic method for determining the attenuation symmetry of materials

Mine water research :catalytic oxidation of ferrous iron in acid mine water by activated carbon

The electrohydraulic effect :potential application in rock fragmentation

Fluidized-bed low-temperature carbonization of bituminous coal and thermal cracking of the tar vapors

Heats of formation of three oxides of rhenium

Energetics of percussive drills-longitudinal strain energy

Dismantling a typical junk automobile to produce quality scrap

Heats of formation of chromium carbides

Load loss from rock-bolt anchor creep

Face ventilation in underground bituminous coal mines :airflow and methane distribution patterns in immediate face area-line brattice

Beneficiation of ferrochromium by molten salt electrolysis

Effect of varied extrusion temperature on the properties of a zinc-copper-titanium alloy

Influence of spherical head size and specimen diameters on the uniaxial compressive strength of rocks

Rotary coring of Appalachian area oil-producing formations with mud or air

Continuous monitoring of diesel exhaust gas for carbon dioxide, carbon monoxide, oxygen, methane, and nitrogen oxides

Raw materials for lightweight aggregate in Appalachian region, Alabama and Georgia

Preparation of tungsten carbide by electrodeposition

Recovering gold from a graphitic schist from Tallapoosa County, Ala.

Recovery of rhenium from tungsten-rhenium alloy

Calculating equilibrium compositions of multiconstituent, multiphase, chemical reacting systems

Extraction of aluminum and fluorine from leached potlining residues

Flotation of muscovite from Alabama graphitic-mica schist ore

Preparation characteristics of coal from Clay, Gilmer, and Lewis counties, W. Va.

Analyses of tipple and delivered samples of coal :collected during fiscal year 1968

Some strain-aging effects in electrorefined vanadium

Joining refractory metal compounds by hot pressing

Dispersion-strengthened copper :its preparation and properties

Compressibility factors for helium and carbon dioxide mixtures at 0⁰, 10⁰, 20⁰, 23⁰, and 35⁰ C and to 900 psia

Application of statistical response surface fitting in predicting lignite properties

Major ash constituents in U.S. coals

Transformations of the elastic constants for anisotropic media by successive simple rotations

Phase diagram for the KF-YF₃ system

Experimental leaching of gold from mine waste

Energetics of percussive drills

A microscope system using automated reflectance scanning to study coal components :application to analysis of pyrite distribution

Chemical and vegetative stabilization of a Nevada copper porphyry mill tailing

Interactions of titanium and molybdenum additions with interstitial impurities in vanadium

Horizontal zinc retorts

Beneficiation of titanium chlorination residues :preliminary study

Near-surface horizontal stresses including the effects of rock anisotropy

Improved eluex process for eluting uranium from ion exchange resins

Liquidus temperatures of titaniferous slags (in three parts).

Carbonizing properties of coals from Nicholas, Randolph, and Webster counties, W. Va.

Pulverized-coal flames :flame propagation in the absence of recirculation

Reduction roasting of steep rock iron-bearing materials

Separation of feldspar, quartz, and mica from granite

Theoretical relationship between density and oil yield for oil shales

Some aspects of the aerodynamics of formation of float coal dust clouds


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