Browse TRAIL Inventories

Establishing standards for effective wire rope clip installation

Preparation of samarium-cobalt permanent magnets

Decomposition of hydrogen sulfide in an electrical discharge

Thermodynamic properties of three sodium titanates

Comparison of respirable dust concentrations measured with MRE and modified personal gravimetric sampling equipment

Geologic factors causing roof instability and methane emission problems :the Lower Kittanning coalbed, Cambria County, Pa.

Radical species profiles for a methane-oxygen-argon flame

Procedures used for sampling fracture orientations in an underground coal mine

Resource recovery from raw urban refuse

Hazard from engines rebreathing exhaust in confined space

Recovery of zinc, copper, silver, and iron from zinc smelter residue

Rock damage from small charge blasting in granite

Ionic and neutral reactions in glow discharges of a He-SO₂-CO mixture

Nuclear gages for monitoring the coalbed of commercial-scale pressurized gas producers

Methane control by isolation of a major coal panel :Pittsburgh coalbed

An algorithm for calculating multiphase chemical equilibrium

Minimum extinguishant and maximum oxygen concentrations for extinguishing coal dust-air explosions

The spectral growth of expanding flames :the infrared radiance of methane-air ignitions and coal dust-air explosions

Sulfur dioxide emission control by hydrogen sulfide reaction in aqueous solution :the citrate system

Large-scale continuous attrition grinding of coarse kaolin

Gases desorbed from five coals of low gas content

Respirable dust adhering to run-of-face bituminous coals

The composition of coalbed gas

Correlations of phase-boundary pressures of condensate fluid systems with compositions modified by added butane

The Association of automotive fuel composition with exhaust reactivity

Fracturing in the zone around a blasthole, White Pine, Mich.

Sulfatization-reduction of manganiferous iron ore

Alternating current matrix-type magnetic separator

Structural design data for concrete drift linings in block caving stopes

Evaluation of a machine-mounted dust collector

The K₂HfF₆-K₂ZrF₆-1.25 percent HF system at 40⁰ C with other solubility curves from 25⁰ to 70⁰ C

Evaluation of methods for determining nahcolite and dawsonite in oil shales

Reducing copper and tin impurities in ferrous scrap recovered from incinerated municipal refuse

Determination of eight minor elements in low-alloy steels by fluorescent X-ray spectrography

Compound type separation and characterization studies for a 370⁰ to 535⁰ C boiling distillate of Gach Saran, Iran, crude oil

The direct method of determining methane content of coalbeds for ventilation design

Mine roof vibrations from underground blasts, Pilot Knob, Mo.

Physical aspects of copper cementation on iron

Methods for producing alumina from clay :an evaluation of a sulfurous acid-sulfuric acid process

Strengthening of fractured rock pillars by the use of small radial reinforcement pressures

Detonation of a flammable cloud following a propane pipeline break :the December 9, 1970, explosion in Port Hudson, Mo.

Effects of specimen radius on the stress state near a roof bolt anchor :a finite element determination

Beneficiation of Idaho kyanite-bearing materials

Analysis of factors influencing fracture initiation and orientation in oil reservoir sandstone

Response variations of a microphone worn on the human body

Continuous monitoring of coal by a neutron moisture meter

Smog chamber reactivities of emissions from leaded and lead-free fuels

Degasification of virgin Pittsburgh coalbed through a large borehole

Effects of thermal treatments upon concentratability of a nonmagnetic iron ore

Iron oxide superconcentrates by caustic leaching


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