Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
33 results returnedSearch results
- Solvent extraction of coals by abietic acid at atmospheric pressure
- Low-temperature carbonization assays of coals and relation of yields to analyses
- Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1960)
- Determining phosphorous in coal and coke :evaluation of volumetric, colormetric, and gravimetric methods
- Using a centrifuge for float-and-sink testing fine coal
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1961
- Coking-rate study on a commercial blend of western coals
- Analyses of tipple and delivered samples of coal :collected during the fiscal year 1962
- Advances in coal spectrometry :mass spectrometry
- Densimetric method in studying coal and coke structure
- Bulk density studies on a commercial blend of western coking coals
- Analyses of tipple and delivered samples of coal :collected during the fiscal year 1963
- Influence of certain processing variables on the determination of moisture in coal
- Heat content and specific heat of coals and related products
- Analyses of tipple and delivered samples of coal collected during fiscal year 1964
- Phosphorus, chlorine, sodium, and potassium in U.S. coals
- Reaction of coal in argon and argon-hydrogen plasmas
- Analyses of tipple and delivered samples of coal :collected during the fiscal year 1965
- Sulfur content of United States coals
- Direct determination of oxygen in coal
- Method for determination of fluorine in coal
- Electrochemical reduction of coal
- Chemical reactions produced by exposing coal derivatives to ultrasonic energy
- Chloroform extractions of coals and chars
- Spectrochemical analysis of coal ash
- Gamma irradiation of coal
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1967
- Analysis of mineral matter in coals by x-ray fluorescence
- Colorimetric method for arsenic in coal
- Major ash constituents in U.S. coals
- A microscope system using automated reflectance scanning to study coal components :application to analysis of pyrite distribution
- Chlorine in coal combustion
- Spectrochemical analyses of coal ash for trace elements
