... PRESSURE SEALS IN VERTICAL STANDPIPES / by J. J. Demeter and W. P. Haynes23 / SUMMARY Experiments were conducted in ... standpipe as a pressure seal between the reductor and oxi- dizer . Investigators found that , by gravity flow , the ...
Mining and Milling Methods and Costs, Ozark Ore Co., Iron Mountain Iron-Ore Mine, St. Francois County, Mo
... fan ( 1 , fig . 18 ) from the 837 level through a 6- by 6 - foot raise to ... Coppus TM - 8 fans , which draw air from the nearest main air circuit and ... fan on the 691 level ( 8 , fig . 18 ) . Measurements of air flows are made with ...
Centrifugal Compressor for High-temperature Helium: Performance Characteristics
... compressor was constructed of type 304 stainless steel . Although this ... centrifugal compressor was demonstrated to be satisfactory for circulating ... compressors with similar bearings at comparable conditions but with different ...
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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