Nature, Volume 85Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Sir Norman Lockyer. tained in the coal , consisting nitrogen . principally of fixed It is in the process of transformation of coal into work in the form of heat and power that the great loss occurs , as this is always a most difficult ...
Sir Norman Lockyer. tained in the coal , consisting nitrogen . principally of fixed It is in the process of transformation of coal into work in the form of heat and power that the great loss occurs , as this is always a most difficult ...
Página 212
... coal , there are many sources of error in the apparently simple task of recording the coal output . Even in the United Kingdom the returns as between different collieries are not comparable , the practice being here to return as output ...
... coal , there are many sources of error in the apparently simple task of recording the coal output . Even in the United Kingdom the returns as between different collieries are not comparable , the practice being here to return as output ...
Página 487
Sir Norman Lockyer. EXPERIMENTS ON COAL DUST EXPLOSIONS.1 A PRELIMINARY record of experiments made with coal dust , and other work of various kinds , carried out by a committee of colliery owners on behalf of the Mining Association of ...
Sir Norman Lockyer. EXPERIMENTS ON COAL DUST EXPLOSIONS.1 A PRELIMINARY record of experiments made with coal dust , and other work of various kinds , carried out by a committee of colliery owners on behalf of the Mining Association of ...
Índice
Grignard M New Methods for the Synthesis of Nitriles Hamerton Captain A E Experiments to ascertain | xxix |
Lainé E the Nitrates in the Atmosphere of the Antarctic Lepsius Prof R Geologie von Deutschland und | xxxix |
Lang Prof W H Morphology of the Stock of Isoetes 59 Lewis B Educational Experiments in Schools 354 | xlvi |
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