X-ray Studies of Coals and Carbonaceous Materials: Issues 648-655

A Microscope System Using Automated Reflectance Scanning to Study Coal Components: Application to Analysis of Pyrite Distribution

Angular Positions of X-ray Emission Lines of the Elements for Common Analyzing Crystals

A Study of the Carbon Dioxide-carbon Reaction by Oxygen Exchange

Optical Properties of Coals and Graphite: Issues 640-644

Analysis of Mineral Matter in Coals by X-ray Fluorescence

The Analysis of Kinetics by the Method of Constant Compositions

Preparation of Ultrathin Sections of Coal

Preparation of Ultrathin Sections of Coal

Absorption Corrections for Intensity of X-rays Scattered by Weakly Absorbing Polytype-crystalline Materials: Issues 6454-6458

Pyrite Size Distribution and Coal-pyrite Particle Association in Steam Coals: Correlation with Pyrite Removal by Float-sink Methods, Issues 7231-7243

Carbon-13 Nuclear Magnetic Resonance Spectra of Monosubstituted Pyridines: 1968-1969

Gasification of Pulverized Coal at Atmospheric Pressure: Discussion of Pilot-plant Development, Study of Process Variables, and Relative Gasification Characteristics of Coals of Different Rank. 1959

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

A Microscope System Using Automated Reflectance Scanning to Study Coal Components: Application to Analysis of Pyrite Distribution, Issues 7250-7269

Simulated Nuclear Reactor System for High-temperature Process Heat: 1,000-hour Demonstration Run at 2,500 F., Issues 5881-5900

Metallurgical Studies of Rhodonite Ores, Silverton District, Colorado (In Three Parts).: Melting, quenching, and acid leaching of concentrates and electrolytic recovery of manganese from solution. 3