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Resins in Coal
5,0
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Gratuit
Precision of the Volatile-matter Determination for Anthracite, Low-temperature Coke, and Subbituminous Coal
Gratuit
Determination of Moisture-holding Capacity (bed Moisture) of Coal for Classification by Rank
5,0
star
Gratuit
An Investigation of a Laboratory Test for Determination of the Free-swelling Index of Coal: Revision of R.I. 3989
Gratuit
Analyses of Ash from Coals of the United States
5,0
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Gratuit
Fusibility of Ash Coals of the United States: Volumes 207-212
Gratuit
Low-temperature Distillation Yields of Primary Tar and Light Oil from Coals of Various Ranks and Types
Gratuit
Notes on the Sampling and Analysis of Coal
Gratuit
Clinker Formation as Related to the Fusibility of Coal Ash
Gratuit
The Determination of Moisture in Coke
Gratuit
Low-temperature Carbonization of Alaskan Coals
Gratuit
Methods of Sampling and Analyzing Coal-mine Dusts for Incombustable Content
Gratuit
Methods of Analyzing Coal and Coke
Gratuit
The Determination of Combustible Matter in Silicate and Carbonate Rocks
Gratuit
Analyses of Mine and Car Samples of Coal Collected in the Fiscal Years 1916 to 1919: Issue 193
Gratuit
Mining and Preparing Domestic Graphite for Crucible Use
Gratuit
Carbonizing Properties: West Virginia Coals from the Eagle, No. 2 Gas, Pocahontas No. 3 and Pocahontas No. 4 Beds, Issues 487-493
Gratuit
Splint Coals of the Appalachian Region: Their Occurrence, Petrography, and Comparison of Chemical and Physical Properties with Associated Bright Coals
5,0
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Gratuit
Friability, Grindability, Chemical Analyses, and High- and Low-temperature Carbonization Assays of Alabama Coals
Gratuit
Comparison of Small and Large Scale Experimental Carbonizing Apparatus: Tests of Pittsburgh Bed Coal from Allison Mine, Fayette County, Pa., and of a Coal from the Michel Mine, British Columbia
Gratuit