... magnesium oxide , and silica , as follows : 45 hours at 1,050 ° C , 115 hours at 1,150 ° C , and 30 hours at 1,250 ... composition were made . The final product analyzed 41.16 percent calcium oxide , 14.82 percent magnesium oxide , and ...
Preparation Characteristics of Coal from Tazewell County, Va
... Heat of Formation at 298.15 ° K The heat of formation of magnesium oxide from the elements has been determined both by solution calorimetry and by combustion calorimetry . Shomate and Huffman obtained AH2q8.15 = -143,840 ± 50 cal / mole ...
Test Operation of a Pneumatic Vibrating-blade Planer: A Progress Report on Phosphate Mining Research
... surfaces to three - dimensional data . Fitting a linear surface ... Plunge of a fitted linear surface . Confidence limits for a fitted linear surface . Fitting a quadratic surface ... chart of program for regression analysis . Appendix C ...
Underground Gasification of Coal: Second Experiment in Preparing a Path Through a Coalbed by Hydraulic Fracturing
... data and calculated evolution rates are shown in table 15. Run number 3 - OP was an oxygen - propane test fired at 90 degrees , and run 8 - AP ... Results It was apparent when conducting the side - firing tests that heat transfer in the melt ...
Low-temperature Heat Capacities and Entropies at 298.15° of Sulfides of Arsenic, Germanium and Nickel: 1963
... surfaces .. Fitting a line .. Descriptive analysis .. 1 1 4 44 4 Statistical analysis . 7 Fitting a plane .... 11 Confidence limits for strike . 13 Confidence limits for fitted plane ... 13 Fitting a quadratic surface ... chart for contour ...
Some Generalized Probability Distributions with Special Reference to the Mineral Industries: (in Five Parts).. Sampling to [lambda] amount of items per sample. 2
... case ground enabling the mercury switch to control the on - off condition of the indicator light and provides confirmation of proper gage and engager coupling . Since the lock - on switch is in series with the mercury switch , batteries ...
Low-temperature Heat Capacities and Entropies at 298.150 K of Akermanite, Cordierite, Gehlenite, and Merwinite
... magnesium oxide , and silica , as follows : 45 hours at 1,050 ° C , 115 hours at 1,150 ° C , and 30 hours at 1,250 ... composition were made . The final product analyzed 41.16 percent calcium oxide , 14.82 percent magnesium oxide , and ...
Recovery of Alumina from Anorthosite, San Gabriel Mountains, California, Using the Lime Soda Sinter Process: With a Section on Geology by Gordon B. Oakeshott
... Heat of Formation at 298.15 ° K The heat of formation of magnesium oxide from the elements has been determined both by solution calorimetry and by combustion calorimetry . 3 Shomate and Huffman obtained AH298.15 = -143,840 ± 50 cal ...
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