Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
Dari dalam buku
Hasil 1-3 dari 82
Halaman 20-11
... Supply records . Distribution of supplies is a comparatively simple matter , if all supplies are kept in a central storehouse , and treated as a separate business . Requisitions should be drawn only for quantities needed for immediate ...
... Supply records . Distribution of supplies is a comparatively simple matter , if all supplies are kept in a central storehouse , and treated as a separate business . Requisitions should be drawn only for quantities needed for immediate ...
Halaman 21-23
... Supplies . 0.020 0.026 Repairs .. 0.004 0.008 $ 0.071 $ 0.077 General $ 0.014 $ 0.014 0.006 0.006 0.021 0.019 0.003 ... Supplies . Repairs .. Miscel charges . Taxes and insur- ance ..... Administration expense ... Depreciation . Crushing ...
... Supplies . 0.020 0.026 Repairs .. 0.004 0.008 $ 0.071 $ 0.077 General $ 0.014 $ 0.014 0.006 0.006 0.021 0.019 0.003 ... Supplies . Repairs .. Miscel charges . Taxes and insur- ance ..... Administration expense ... Depreciation . Crushing ...
Halaman 27-22
... Supplies ( d ) . Maintenance ( e ) .... Total .. Minutes Percent 181.3 43. 17 86.7 20.64 43.3 Direct cost $ 45.98 21.98 10.30 10.98 25.1 5.98 6.37 42.8 10.19 10.86 11.2 2.67 2.84 1.67 1.78 5.38 5.73 7.0 22.6 420.0 100.00 $ 106,52 Aver ...
... Supplies ( d ) . Maintenance ( e ) .... Total .. Minutes Percent 181.3 43. 17 86.7 20.64 43.3 Direct cost $ 45.98 21.98 10.30 10.98 25.1 5.98 6.37 42.8 10.19 10.86 11.2 2.67 2.84 1.67 1.78 5.38 5.73 7.0 22.6 420.0 100.00 $ 106,52 Aver ...
Isi
AND SORTING OF ORES | 15 |
ELECTRIC POWER | 16-1 |
sion Wiring | 19-1 |
Hak Cipta | |
12 bagian lainnya tidak diperlihatkan
Edisi yang lain - Lihat semua
Istilah dan frasa umum
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 grade 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 valve vein vertical wire zinc