Call Number (LC) Title Results
I 28.23:8222 Chemical flame inhibition using molecular beam mass spectrometry : an examination of the partial equilibration hypothesis and radical recombination in 1/20 atm methane flames / 1
I 28.23:8223 Control of pneumatic chipping and grinding noise / 1
I 28.23:8224 Flotation study of refractory coals / 1
I 28.23:8225 Recovery of brine from potash operation slime / 1
I 28.23:8226 Geology, methane content, and reserves of the upper Freeport coalbed in Fayette County, Pa. / 1
I 28.23:8226 R Geology and methane content of the upper Freeport coalbed in Fayette County, Pa. / 1
I 28.23:8226r-8250 Chlorination of chalcopyrite / 1
I 28.23:8227 Shock loss calculations across junctions and splits / 1
I 28.23:8228 Hydraulic stimulation of a surface borehole for gob degasification / 1
I 28.23:8229 Chlorination of chalcopyrite / 1
I 28.23:8230 Roof rock structures and related roof support problems in the Pittsburgh coalbeds of southwestern Pennsylvania / 1
I 28.23:8231 Directionally controlled drilling to horizontally intercept selected strata, upper Freeport coalbed, Green County, Pa. / 1
I 28.23:8232 Stereographic method of determining whether planes of weakness transect pillars / 1
I 28.23:8233 Dry-processed-sprayed coal mine sealants, a progress report / 1
I 28.23:8234 Beneficiation of coal by selective flocculation, a laboratory study / 1
I 28.23:8235 Coal mine combustion products : ingredients of conveyor belts / 1
I 28.23:8236 In situ leaching research in a copper deposit at the Emerald Isle mine / 1
I 28.23:8237 Continuous working-level measurements using alpha or beta detectors / 1
I 28.23:8238 Generalized distribution curve for characterizing the performance of coal-cleaning equipment / 1
I 28.23:8239 Coal-pyrite flotation in concentrated pulp : a pilot plant study / 1