Bulletin, 325-329. sayılarU.S. Government Printing Office, 1949 |
Kitabın içinden
100 sonuçtan 1-5 arası sonuçlar
Sayfa 45
... holes ranging from one - eighth to 1 inch in diameter . These holes are arranged in strips or sets of rows , the width of which decreases as the size of hole increases . The coal passing through each set of holes is weighed separately ...
... holes ranging from one - eighth to 1 inch in diameter . These holes are arranged in strips or sets of rows , the width of which decreases as the size of hole increases . The coal passing through each set of holes is weighed separately ...
Sayfa 59
... holes in the side wall , the first sampler resting on the sur- face of the fuel bed . Analyses of samples of gas collected at top of fuel bed and rear of combustion chamber . Collections . Time . CO2 . Og . CO . H2 . CHA CnH2n + 2 ...
... holes in the side wall , the first sampler resting on the sur- face of the fuel bed . Analyses of samples of gas collected at top of fuel bed and rear of combustion chamber . Collections . Time . CO2 . Og . CO . H2 . CHA CnH2n + 2 ...
Sayfa 155
... holes at intervals . It will be noticed that the multitubular sampler gave a more even line , on account of its con- taining a large storage space ; the daily average for the two was the same within 0.1 per cent . But this excellent ...
... holes at intervals . It will be noticed that the multitubular sampler gave a more even line , on account of its con- taining a large storage space ; the daily average for the two was the same within 0.1 per cent . But this excellent ...
Sayfa 161
... hole cover and the water leg . The other wire from the telephone receiver is grounded to the boiler , as shown . By using a low voltage on the line the current is not short circuited much through the water in the boiler . BOILER TUBE ...
... hole cover and the water leg . The other wire from the telephone receiver is grounded to the boiler , as shown . By using a low voltage on the line the current is not short circuited much through the water in the boiler . BOILER TUBE ...
Sayfa 162
obtained by drilling a hole through the center of a hand - hole cover and adding a small stuffing box made from the gland of a valve . In the operation of this instrument the flow of water in any tube of the boiler in which the ...
obtained by drilling a hole through the center of a hand - hole cover and adding a small stuffing box made from the gland of a valve . In the operation of this instrument the flow of water in any tube of the boiler in which the ...
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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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