Bulletin, 325-329. sayılarU.S. Government Printing Office, 1949 |
Kitabın içinden
100 sonuçtan 1-5 arası sonuçlar
Sayfa 8
... obtained in a sin- gle furnace with one type of boiler , but many of the results should have wide application in any furnace and under any type of boiler . Helpful suggestions or criticisms from manufacturers or engineers are again ...
... obtained in a sin- gle furnace with one type of boiler , but many of the results should have wide application in any furnace and under any type of boiler . Helpful suggestions or criticisms from manufacturers or engineers are again ...
Sayfa 32
... obtained only with low ash . No doubt other appliances and furnaces are available which would give better results on dirty coal than have been obtained by hand firing on a plain grate . ASH AND CLINKER . In order to eliminate one ...
... obtained only with low ash . No doubt other appliances and furnaces are available which would give better results on dirty coal than have been obtained by hand firing on a plain grate . ASH AND CLINKER . In order to eliminate one ...
Sayfa 45
... obtained by taking one coal , say , run of mine , and after separating the various sizes , making a series of tests ... obtaining the percentages of the various sizes of coal . From the construction of the revolving screen it follows ...
... obtained by taking one coal , say , run of mine , and after separating the various sizes , making a series of tests ... obtaining the percentages of the various sizes of coal . From the construction of the revolving screen it follows ...
Sayfa 46
... obtaining column 4 , and the sum of this column of products divided by 100 , therefore , gives the weighted average size of ... obtained with the smallest sizes ( curve No. 5 ) ; ( 3 ) there was practi- cally no change in the per cent of ...
... obtaining column 4 , and the sum of this column of products divided by 100 , therefore , gives the weighted average size of ... obtained with the smallest sizes ( curve No. 5 ) ; ( 3 ) there was practi- cally no change in the per cent of ...
Sayfa 50
... obtain the average combustion - chamber temperature than for the other averages , owing to the fact that the ... obtained in the future by devising furnaces and gas producers of such types as will utilize fine coal better than ...
... obtain the average combustion - chamber temperature than for the other averages , owing to the fact that the ... obtained in the future by devising furnaces and gas producers of such types as will utilize fine coal better than ...
Diğer baskılar - Tümünü görüntüle
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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