Report of InvestigationsU.S. Department of the Interior, Bureau of Mines, 1919 - Mineral industries |
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Page 8
... force . yses were performed using a hydrostatic initial stress state and an initial stress state where the horizontal stress was twice that originally assumed . The investigations by Skinner , Waddell , and Conway ( 19 ) supports these ...
... force . yses were performed using a hydrostatic initial stress state and an initial stress state where the horizontal stress was twice that originally assumed . The investigations by Skinner , Waddell , and Conway ( 19 ) supports these ...
Page 7
... force its way through . In a second trial , the stopping was inflated to 21 inches water gage and left for 1 day . The result was a pinhole - size air leak in the stopping , which probably occurred due to stretching of the internal ...
... force its way through . In a second trial , the stopping was inflated to 21 inches water gage and left for 1 day . The result was a pinhole - size air leak in the stopping , which probably occurred due to stretching of the internal ...
Page 10
... force on the straps to keep the stopping from fully expanding in the airway . As a result , the stopping did a very poor job of filling the airway corners , and there was considerable leakage past the pipes and along the tracks ...
... force on the straps to keep the stopping from fully expanding in the airway . As a result , the stopping did a very poor job of filling the airway corners , and there was considerable leakage past the pipes and along the tracks ...
Page 3
... forces can be neglected . The neglect of thermal transport alleviates the need for an energy equation . and Basic Descriptive Equations1 The conservation laws governing compressible gas flow are given by ше 10/0 + a 32 + 3 + 2m - at ar ...
... forces can be neglected . The neglect of thermal transport alleviates the need for an energy equation . and Basic Descriptive Equations1 The conservation laws governing compressible gas flow are given by ше 10/0 + a 32 + 3 + 2m - at ar ...
Page
... force , showing motion of the tub during fall and water dispersion ... 5. Movie sequence showing closeup of a modified barrier during response to a wind force ... 6. Wave diagram showing results of a water - barrier test in metal ...
... force , showing motion of the tub during fall and water dispersion ... 5. Movie sequence showing closeup of a modified barrier during response to a wind force ... 6. Wave diagram showing results of a water - barrier test in metal ...
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aluminum bolt BuMines RI Bureau of Mines burning velocity calculated cell chloride coal coalbed combustion composition compressive strength concentration curves degasification density depth of cut determined dicyclopentadiene drilling dump leach effect electrodes Electromotive force eluate energy Engineering Library enthalpy equation experimental explosions FeCl3 flame front flame speed flotation formation gas flow Gibbs free energy H₂SO heat hole ignition ilmenite inches increase inflatable stoppings INTERIOR investigation iron iron chloride kcal kiln kpsi loading Mary Lee MBOB measured metal methane microcline mixture modified sulfur obtained oxide particles pellets percent phase PNCL pressure radius Raney nickel ratio reaction Report resin rock sample shown in figure slimes solder solution specimens steels stope sulfur concretes surface synthetic leach liquor temperature tests thick tion traveltimes tube U.S. Bureau unburned UNIVERSITY OF MICHIGAN Vacutainers values venting WALKER COUNTY zeta potential
Popular passages
Page 3 - An acid plant was installed in 1929 to treat •Underlined numbers in parentheses refer to items in the list of references at the end of this report.
Page 3 - Needless to say, this contractor did not submit a bid. "(10) (Reference to specific trade names is made for identification only and does not imply endorsement by the Bureau of Mines...
Page 10 - API, is pumped to storage. 3Reference to specific makes or models of equipment is made to facilitate understanding and does not imply endorsement by the Bureau of Mines.
Page 11 - Haynes, WP, JJ Elliott, AJ Youngblood, and AJ Forney. Operation of a Sprayed Raney Nickel Tube-wall Reactor for Production of a High-Btu Gas.
Page 34 - Prediction of Laminar Flow and Heat Transfer in Helically Coiled Pipes,
Page 9 - Kissell, FN. CM McCulloch, and CH Elder. The Direct Method of Determining Methane Content of Coalbeds for Ventilation Design.