 | Samuel Greatheed, Daniel Parken, Theophilus Williams, Josiah Conder, Thomas Price, Jonathan Edwards Ryland, Edwin Paxton Hood - 1845 - 788 sider
...genuiTie anthracite.' ' It appears from the researches of Liebig, and other eminent chemists, that when wood and vegetable matter are buried in the earth,...means they become gradually converted into lignite or wood-coal, which contains a larger proportion of hydrogen than wood does. A continuance of decomposition... | |
 | Sir Charles Lyell - 1845 - 354 sider
...of Amer. Geol., p. 470.) It appears from the researches of Liebig and other eminent chemists, that when wood and vegetable matter are buried in the earth,...means, they become gradually converted into lignite or wood-coal, which contains a larger proportion of hydrogen than wood does. A continuance of decomposition... | |
 | 1845 - 732 sider
...Лтет. Geo/., p. 470.) " It appears from the researches of Liebig and other eminent chemists, that when wood and vegetable matter are buried in the earth,...means, they become gradually converted into lignite or wood-coal, which contains a larger proportion of hydrogen than wood does. A continuance of decomposition... | |
 | Samuel Sidwell Randall - 1846 - 216 sider
...downward in seams of coal." " It appears, from the researches of Liebig and other eminent chymists, that when wood and vegetable matter are buried in the earth,...means, they become gradually converted into lignite, or wood-coal, which contains a larger proportion of hydrogen than wood does. A continuance of decomposition... | |
 | 1849 - 618 sider
...becoming a genuine anthracite. " It appears from the researches of Licbig and other eminent chemists, that when wood and vegetable matter are buried in the earth,...into lignite, or wood coal, which contains a larger proportion of hydrogen, than wood does. A continuance of decomposition changes this lignite into common,... | |
 | 1849 - 620 sider
...becoming a genuine anthracite. " It appears from the researches of Liebig and other eminent chemists, that when wood and vegetable matter are buried in the earth,...into lignite, or wood coal, which contains a larger proportion of hydrogen, than wood does. A continuance of decomposition changes this lignite into common,... | |
 | 1849 - 1230 sider
...genuine ' anthracite. " It appears from the researches of Liebig and other eminent ' chemists, that when wood and vegetable matter are buried ' in the...carbonic acid gas, thus parting with a portion of their origi' nal oxygen. " By this means, they become gradually converted into : lignite, or wood coal, which... | |
 | Sir Charles Lyell - 1851 - 602 sider
...becoming a genuine anthracite.* It appears from the researches of Liebig and other eminent chemists, that when wood and vegetable matter are buried in the earth,...means, they become gradually converted into lignite or wood-coal, which contains a larger proportion of hydrogen than wood does. A continuance of decomposition... | |
 | Rosina Maria Zornlin - 1852 - 418 sider
...appears, from the researches of Liebig and other eminent chemists,' observes Sir Charles Lyell, ' that when wood and vegetable matter are buried in the earth,...into lignite or wood coal, which contains a larger proportion of hydrogen than wood does. A continuance of decomposition changes this lignite into common... | |
 | Eli Bowen - 1852 - 456 sider
...Ass. of Amer. GeoL, p. 470. It appears from the researches of Liebig and other eminent chemists, that when wood and vegetable matter are buried in the earth,...means they become gradually converted into lignite or wood-coal, which contains a larger proportion of hydrogen than wood does. A continuance of decomposition... | |
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It appears from the researches of Liebig and other eminent chemists, that when wood and vegetable matter are buried in the earth, exposed to moisture, and partially or entirely excluded from the air, they decompose slowly and evolve carbonic acid gas,... 
