Report of InvestigationsU.S. Department of the Interior, Bureau of Mines, 1919 - Mineral industries |
From inside the book
Results 1-5 of 83
Page 22
... respectively . The results listed in table 10 are the average of two determin- ations . Beams from test number 2 made with multiple lifts of unmodified sulfur concrete showed an indication of layering at the pour junctions on the ...
... respectively . The results listed in table 10 are the average of two determin- ations . Beams from test number 2 made with multiple lifts of unmodified sulfur concrete showed an indication of layering at the pour junctions on the ...
Page 6
... respectively , the unburned gas density has an initial value of 1.13 ( kg m3 ) the local sound speed in the unburned gas is 354 m sec - 1 , the specific heat ratios for the unburned and burned gases are 1.4 and 1.2 , respectively , and ...
... respectively , the unburned gas density has an initial value of 1.13 ( kg m3 ) the local sound speed in the unburned gas is 354 m sec - 1 , the specific heat ratios for the unburned and burned gases are 1.4 and 1.2 , respectively , and ...
Page 8
... away from the flame front , namely Crt and Rr . These waves then return to the flame at events labeled C and D , respectively , giving rise to four waves , and so it goes on ad infinitum . · 200 0 -200 Rrrr = 10 9 Crtr 1/00 B 8.
... away from the flame front , namely Crt and Rr . These waves then return to the flame at events labeled C and D , respectively , giving rise to four waves , and so it goes on ad infinitum . · 200 0 -200 Rrrr = 10 9 Crtr 1/00 B 8.
Page 11
... respectively , for this sys- tem . Figure 6 shows that the sound speed of the unburned mixture increases from an initial value of 354 m sec - 1 to a final value of about 500 m sec - 1 . The plot of the burned gas sound speed shows the ...
... respectively , for this sys- tem . Figure 6 shows that the sound speed of the unburned mixture increases from an initial value of 354 m sec - 1 to a final value of about 500 m sec - 1 . The plot of the burned gas sound speed shows the ...
Page 15
... respectively . Figure 11 clearly shows the devel- opment of an oscillatory disturbance in the burned region . The frequency of this disturbance , as measured from figure 11 , corresponds to about 500 Hz in this zone and to about 150 Hz ...
... respectively . Figure 11 clearly shows the devel- opment of an oscillatory disturbance in the burned region . The frequency of this disturbance , as measured from figure 11 , corresponds to about 500 Hz in this zone and to about 150 Hz ...
Common terms and phrases
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.