The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects, Volume 12James Samuelson, Henry Lawson, William Sweetland Dallas Robert Hardwicke, 1873 |
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... Chemistry ... ... ... ... ... :: ... ... 84 , 200 , 299 , 419 87 , 206 , 303 , 424 Geology and Paleontology Mechanics Medical Science ... ... ... ... Metallurgy , Mineralogy , and Mining ... 90 , 207 , 308 , 427 94 , 210 , 311 , 431 ...
... Chemistry ... ... ... ... ... :: ... ... 84 , 200 , 299 , 419 87 , 206 , 303 , 424 Geology and Paleontology Mechanics Medical Science ... ... ... ... Metallurgy , Mineralogy , and Mining ... 90 , 207 , 308 , 427 94 , 210 , 311 , 431 ...
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... chemical reaction out of the vegetable matter of which coal is made up . But whatever be the exact cause of its presence , there it is , locked up in a highly condensed state , and ready to burst forth the moment the pressure which ...
... chemical reaction out of the vegetable matter of which coal is made up . But whatever be the exact cause of its presence , there it is , locked up in a highly condensed state , and ready to burst forth the moment the pressure which ...
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... chemical analysis of that soil will reveal the fact that the particular elements required by a given plant are still contained in sufficient abundance in it . Land , for instance , that is " clover sick " -on which , that is , good ...
... chemical analysis of that soil will reveal the fact that the particular elements required by a given plant are still contained in sufficient abundance in it . Land , for instance , that is " clover sick " -on which , that is , good ...
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... from each plot , its weight is estimated , and also the amount of dry produce . In some cases chemical analysis is pushed further , and the ashes duly examined . In addition to these no trifling observations 42 POPULAR SCIENCE REVIEW .
... from each plot , its weight is estimated , and also the amount of dry produce . In some cases chemical analysis is pushed further , and the ashes duly examined . In addition to these no trifling observations 42 POPULAR SCIENCE REVIEW .
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... chemical and physical nature of the soil , as has been so often shown in similar investigations , plays only a secondary part . As to the action of shade , it was found by Professor Hoffman that low - growing plants , especially if ...
... chemical and physical nature of the soil , as has been so often shown in similar investigations , plays only a secondary part . As to the action of shade , it was found by Professor Hoffman that low - growing plants , especially if ...
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