Bulletin, 325-329. sayılarU.S. Government Printing Office, 1949 |
Kitabın içinden
100 sonuçtan 1-5 arası sonuçlar
Sayfa 18
... bed , over the fire , and in the combustion chamber are given with two very differ- ent coals . These temperatures ... COAL - 18.21 IN DRY COAL - 1442 TEST - 287 COAL - OHIO 8 . VOLATILE MATTER - 35.76 FIXED CARBON - 47.10 VOLATILE ...
... bed , over the fire , and in the combustion chamber are given with two very differ- ent coals . These temperatures ... COAL - 18.21 IN DRY COAL - 1442 TEST - 287 COAL - OHIO 8 . VOLATILE MATTER - 35.76 FIXED CARBON - 47.10 VOLATILE ...
Sayfa 19
... coal high in volatile matter , than for West Vir- ginia No. 19 , a coal low ... bed and over - fire temperatures are higher with West Virginia No. 19 than ... coal burns on the grate and only a little in the combustion cham- ber , while ...
... coal high in volatile matter , than for West Vir- ginia No. 19 , a coal low ... bed and over - fire temperatures are higher with West Virginia No. 19 than ... coal burns on the grate and only a little in the combustion cham- ber , while ...
Sayfa 42
... bed in good condition when a coal is high in ash . Curve No. 6 gives the averages for each group of the ratios of the carbon to the total hydrogen in the dry coal . This line drops , show- ing that the coals become poorer . The coals in ...
... bed in good condition when a coal is high in ash . Curve No. 6 gives the averages for each group of the ratios of the carbon to the total hydrogen in the dry coal . This line drops , show- ing that the coals become poorer . The coals in ...
Sayfa 59
... coal contains any stated percentage of " volatile matter , " or even that it contains " volatile matter " at all ... bed to the opening into the tube chamber , and its rear portion is termed the " combustion chamber . " The function of the ...
... coal contains any stated percentage of " volatile matter , " or even that it contains " volatile matter " at all ... bed to the opening into the tube chamber , and its rear portion is termed the " combustion chamber . " The function of the ...
Sayfa 120
... coal on the grate , especially if the latter are underlaid with clinker ; the result is that along with a general large air excess there may be much incomplete combustion . It comes back to the old story that the fuel bed and combustion ...
... coal on the grate , especially if the latter are underlaid with clinker ; the result is that along with a general large air excess there may be much incomplete combustion . It comes back to the old story that the fuel bed and combustion ...
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Sık kullanılan terimler ve kelime öbekleri
Alaska Arkansas auriferous average basin beach beam bed rock bench Bendeleben Mountains boiler efficiency bowlders Cape Nome carbon cent Chickaloon chloritic clay clinker coal bed coal field coastal plain Collier combustion-chamber temperature creek bed curve deposits district ditch Drill hole dry coal east efficiency 72 fault feet thick formation Fort Smith fossils furnace Geological Survey geology granite gravel greenstone Gulch Hartshorne hydrogen inches Kigluaik Kigluaik Mountains Kougarok limestone lower Matanuska Matanuska River material miles mineral mining Mountains mouth Neuropteris Niukluk River Nome group Norton Bay Norton Bay regions Number of tests Ophir Creek outcrop pay streak placer gold Port Clarence pound of combustible pounds of dry probably quartz ratio reconnaissance reported River sample sand sandstone schist Seward Peninsula shaft Shale Shale roof shows slope Spadra stream surface tion tributary U. S. Geol upper valley veins
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