Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 16-2
... usually include a demand charge , either expressed , or made a part of the energy charge , based upon integrated peaks of 5-15 minutes ' duration , or on momentary peaks as created by hoists . Demand is usually expressed in k v a ...
... usually include a demand charge , either expressed , or made a part of the energy charge , based upon integrated peaks of 5-15 minutes ' duration , or on momentary peaks as created by hoists . Demand is usually expressed in k v a ...
Halaman 25-29
... usually the most tedious part of the examination it should be begun promptly ; though not until enough information has been gained ( preferably by inspecting the mineral exposures ) to determine if the cost of thorough sampling is ...
... usually the most tedious part of the examination it should be begun promptly ; though not until enough information has been gained ( preferably by inspecting the mineral exposures ) to determine if the cost of thorough sampling is ...
Halaman 38-21
... usually of 3 to 6 or 8 - ft lengths , of 1 : 1.5 : 3 or 1:24 concrete , the thickness being 1 in for each ft of diam . Spiral reinforcing , held at proper pitch by spacing bars , takes the entire hoop tension . Plain wire is used ...
... usually of 3 to 6 or 8 - ft lengths , of 1 : 1.5 : 3 or 1:24 concrete , the thickness being 1 in for each ft of diam . Spiral reinforcing , held at proper pitch by spacing bars , takes the entire hoop tension . Plain wire is used ...
Isi
COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
Hak Cipta | |
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