Minutes of Proceedings of the Institution of Civil Engineers, Band 135The Institution, 1899 Vols. 39-204 (1874/75-1916/17) have a section 3 containing "Abstracts of papers in foreign transactions and periodicals" (title varies); issued separately, 1919-37, as the institution's Engineering abstracts from the current periodical literature of engineering and applied science, published outside the United Kingdom. |
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Seite 31
... containing hydrogen1 which they wanted for use in their gas battery.2 In attempting to effect this , they were guided by the observation they had previously made that finely divided nickel has the remarkable property of removing carbon ...
... containing hydrogen1 which they wanted for use in their gas battery.2 In attempting to effect this , they were guided by the observation they had previously made that finely divided nickel has the remarkable property of removing carbon ...
Seite 33
... containing it then is cooled to about 50 ° C. , and is treated with carbon - monoxide . In dealing with nickel ores which contain nickel oxide in chemical combination with silicic acid , arsenic acid , or other sub- stances which cannot ...
... containing it then is cooled to about 50 ° C. , and is treated with carbon - monoxide . In dealing with nickel ores which contain nickel oxide in chemical combination with silicic acid , arsenic acid , or other sub- stances which cannot ...
Seite 34
... contain copper in addition to nickel and iron . These ores , which have on an average between 2 per cent . and 6 per cent . of nickel and about the same amount of copper , are first subjected to " heap roasting , " to eliminate the ...
... contain copper in addition to nickel and iron . These ores , which have on an average between 2 per cent . and 6 per cent . of nickel and about the same amount of copper , are first subjected to " heap roasting , " to eliminate the ...
Seite 36
... containing 35.4 per cent . of nickel , 41.8 per cent . of copper , and about 2 per cent . of iron . This material was first passed through a ball mill and dresser with a sixty - mesh riddle , and was then treated in quantities of 3 cwt ...
... containing 35.4 per cent . of nickel , 41.8 per cent . of copper , and about 2 per cent . of iron . This material was first passed through a ball mill and dresser with a sixty - mesh riddle , and was then treated in quantities of 3 cwt ...
Seite 37
... containing the extracted copper runs from the hydro - extractor into a well , from which it is pumped into the crystallizing vats shown in the Figs . After a period of about 8 days to 10 days , the crystals of copper sulphate are taken ...
... containing the extracted copper runs from the hydro - extractor into a well , from which it is pumped into the crystallizing vats shown in the Figs . After a period of about 8 days to 10 days , the crystals of copper sulphate are taken ...
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alternating current amount amperes apparatus arch Author bars Bevergern boiler Bremen Bremerhaven bridge C.E. VOL canal carried cent centre charge clinkering coal Company connected considerable construction copper cost County Surveyor cubic yards curve depth designed diameter dynamo effect ejectors Elbe electric electromotive force engineer erected experiments flue furnace gases girders heat Hopkinson increased Institution iron John Hopkinson kathode length light load locks locomotive machine magnetic Member Messrs metal miles millimetres Minutes of Proceedings motors nickel nickel carbonyl Nogat obtained Paper pillar pipe placed Plate port pressure Proceedings Inst rails Railway refuse repairs revolutions per minute river roads seam sewage side Sir John Fowler Sir William Anderson span square inch station steam steel subsidence surface Surveyor temperature thick tons traffic tunnel vertical Vistula volts weight Weser wire