Bulletin, 325-329. sayılarU.S. Government Printing Office, 1949 |
Kitabın içinden
100 sonuçtan 1-5 arası sonuçlar
Sayfa 3
... Carbon - hydrogen ratio in air - dried coal .. 68 Carbon - hydrogen ratio in coal as received . 70 Carbon - hydrogen ratio in dry coal .. 77 82 Carbon - hydrogen ratio in coal as fired as affecting efficiency 72 * . Relation of ratio of ...
... Carbon - hydrogen ratio in air - dried coal .. 68 Carbon - hydrogen ratio in coal as received . 70 Carbon - hydrogen ratio in dry coal .. 77 82 Carbon - hydrogen ratio in coal as fired as affecting efficiency 72 * . Relation of ratio of ...
Sayfa 4
... carbon dioxide and water vapor .. 153 Water - jacketed gas sampler ............... 154 Comparison of readings of certain gas samplers .. 155 Flue - gas sampler ..... 156 Unaccounted - for percentages probably too high . 156 Probability ...
... carbon dioxide and water vapor .. 153 Water - jacketed gas sampler ............... 154 Comparison of readings of certain gas samplers .. 155 Flue - gas sampler ..... 156 Unaccounted - for percentages probably too high . 156 Probability ...
Sayfa 5
... carbon - hydrogen ratio in dry coal . 26. Relation of per cent of ash in dry coal to efficiency 73 .... 27. Relations of per cent of ash to seven stated factors .. 28. Relations of sulphur in coal to four stated factors .. 29. Relations ...
... carbon - hydrogen ratio in dry coal . 26. Relation of per cent of ash in dry coal to efficiency 73 .... 27. Relations of per cent of ash to seven stated factors .. 28. Relations of sulphur in coal to four stated factors .. 29. Relations ...
Sayfa 6
... carbon to total carbon and effi- ciency 72 * 86 49. Coal classification based on ratio of hydrogen to available hydrogen ... 50. Relations of " volatile matter " in the " combustible " to two stated- factors ... 51. Relations of " fixed ...
... carbon to total carbon and effi- ciency 72 * 86 49. Coal classification based on ratio of hydrogen to available hydrogen ... 50. Relations of " volatile matter " in the " combustible " to two stated- factors ... 51. Relations of " fixed ...
Sayfa 15
... carbon is nearly constant whatever the air excess used , pro- viding this excess is within reasonable limits of operation . Therefore the volume of gases passing through the combustion chamber per a For definition of efficiency 72 * see ...
... carbon is nearly constant whatever the air excess used , pro- viding this excess is within reasonable limits of operation . Therefore the volume of gases passing through the combustion chamber per a For definition of efficiency 72 * see ...
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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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