Bulletin, 325-329. sayılarU.S. Government Printing Office, 1949 |
Kitabın içinden
100 sonuçtan 1-5 arası sonuçlar
Sayfa 38
... contain less carbon when the percentage of clinker was high . An inspection of the data of a few of our tests ... contained in larger quantity in coal , and is harmful because it increases the tendency of the coal to clinker . The ...
... contain less carbon when the percentage of clinker was high . An inspection of the data of a few of our tests ... contained in larger quantity in coal , and is harmful because it increases the tendency of the coal to clinker . The ...
Sayfa 39
... contain tests on clean lignites , and are therefore really not comparable with the other points . These five tests are indi- vidually given in the subjoined table . · The two curves show that ash is undesirable ; but RELATIONS OF TEST ...
... contain tests on clean lignites , and are therefore really not comparable with the other points . These five tests are indi- vidually given in the subjoined table . · The two curves show that ash is undesirable ; but RELATIONS OF TEST ...
Sayfa 42
... contain less oxygen in their molecules , so that their hydrogen , though decreasing in percentage , is available in larger amount . The fact that on going to the right the carbon - hydrogen ratio decreases partly accounts for the ...
... contain less oxygen in their molecules , so that their hydrogen , though decreasing in percentage , is available in larger amount . The fact that on going to the right the carbon - hydrogen ratio decreases partly accounts for the ...
Sayfa 59
... contains " volatile matter " at all . The terms " fixed carbon , " " volatile carbon , " and " water of composition " are equally misleading . Coals do not literally contain these constituents in any more exact sense than cane sugar ...
... contains " volatile matter " at all . The terms " fixed carbon , " " volatile carbon , " and " water of composition " are equally misleading . Coals do not literally contain these constituents in any more exact sense than cane sugar ...
Sayfa 1
... contain extensive deposits of coal , but only those of the older system in a field situated within the valley of Arkansas River and adjacent to the western boundary of the State have been exploited and are known to the trade . These ...
... contain extensive deposits of coal , but only those of the older system in a field situated within the valley of Arkansas River and adjacent to the western boundary of the State have been exploited and are known to the trade . These ...
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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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