A Microscope System Using Automated Reflectance Scanning to Study Coal Components: Application to Analysis of Pyrite Distribution, Issues 7241-7260

Eight-piece Concrete Sets for Small Mine Openings: A Progress Report, Issues 7261-7280

Preparation of Thorium Metal by Vacuum Distillation of Electrodeposited Thorium-chromium and Thorium-manganese Alloys

A Comparison of Sublimation and Vaporization for Purification of Samarium Metal

Preparation of Rare-earth and Yttrium Metals by Electrodeposition and Vacuum Distillation of Alloys

Mine Water Research: Plant Design and Cost Estimates for Limestone Treatment, Issues 7360-7369

Electrowinning Aluminum from Aluminum Chloride: Operation of a Single-compartment Cell, Issues 7341-7356

The System Al4C3-AlN-Al2O3: Powder Forming and Sintering Behavior, Phase Identification, and Refractory Composition Properties, Issues 7301-7320

Flotation of Rare Earths from Bastnäsite Ore

Effect of Temperature on the Electrolytic Preparation and Recovery of Samarium-cobalt Alloy

Preparation of Platinum-palladium Flotation Concentrate from Stillwater Complex Ore: Issues 8500-8514

Magnetic Properties of Synthetic Mischmetal Alloyed with Cobalt, Copper, Iron, and Magnesium

The Diffusion Flame in Free Convection: Buoyancy-induced Flows, Oscillations, Radiative Balance, and Large-scale Limiting Rates, Issues 8261-8280

Report of Investigations: no.7381 to date

The Theory of Flammability Limits: Conductive-convective Wall Losses and Thermal Quenching, Issues 8461-8463; Issues 8465-8480

Operating a Pressure-gasification Pilot Plant Using Pulverized Coal and Oxygen: Effect of Heat Loss on Economy, Issues 5941-5960

Preparation of Platinum-palladium Flotation Concentrate from Stillwater Complex Ore: 1980-1981

Electrolytic Methods of Preparing Cell Feed for Electrorefining Titanium

Directional Drilling for Coalbed Degasification: Program Goals and Progress in 1978, Issues 8361-8380

Electrorefining Beryllium: Two-cycle Electrolysis