Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Hasil 1-3 dari 88
Halaman 21-41
... Cost Accounting . ( A ) Sep 20 , 1924 , p 463 Stope - cost Records . ( B ) Vol 68 , p 124 Clean Reef Mining and Its Influences on Mining Costs . Trans Insta Min & Met , Vol 31 , p 451 Cost of Milling and Treating Ores . ( A ) May 27 ...
... Cost Accounting . ( A ) Sep 20 , 1924 , p 463 Stope - cost Records . ( B ) Vol 68 , p 124 Clean Reef Mining and Its Influences on Mining Costs . Trans Insta Min & Met , Vol 31 , p 451 Cost of Milling and Treating Ores . ( A ) May 27 ...
Halaman 40-6
... cost of power . The an- nual costs of generation are plotted for a small steam plant in Fig 4 , and the results transferred to a two - quadrant plot for unit costs in Fig 5. Total cost of generation ( Fig 6 ) reflects a constant portion ...
... cost of power . The an- nual costs of generation are plotted for a small steam plant in Fig 4 , and the results transferred to a two - quadrant plot for unit costs in Fig 5. Total cost of generation ( Fig 6 ) reflects a constant portion ...
Halaman 42-38
... cost 30 % more for given output and speed . Installation is simple for most a c motors and its cost can be taken at 4 % to 8 % of first cost . Table 18. Weight , Cost and Usual Speed of 60 - cycle , Wound Rotor , Induction Motors Table ...
... cost 30 % more for given output and speed . Installation is simple for most a c motors and its cost can be taken at 4 % to 8 % of first cost . Table 18. Weight , Cost and Usual Speed of 60 - cycle , Wound Rotor , Induction Motors Table ...
Isi
COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
Hak Cipta | |
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adjustment Aerial Tramway anthracite approx assay aver borax buckets Bur Mines capac carriers cars charge chute claim coal mines compressor concentrate conveyer copper cost crusher crushing cu ft cupel cyanide deflection diam discharge distance drill dust elev engineer explosions feed filter fire firedamp gold hoisting horiz intercooler labor lamp less litharge loaders loading lode long ton machine material mechanical metal method mill mineral motor operation pipe plant plate plumb-bob pump pyrite rock safety lamps sample screen shaft sheave short ton side silver sizes Sodium carbonate solution speed station steel stopes surface survey Table tape telescope temp tension tests timber tion tons Total towers track cable traction rope tramway Trans transit traverse underground usually vein vertical wire zinc