The Abyss of Time, Changing Conceptions of the Earth's Antiquity After the Sixteenth CenturyFreeman, Cooper, 1980 - 251페이지 |
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... masses , but at present is simply an incandescent mass that is cooling ( 10 ) . To give some idea of the magnitude of the energy thus spent , Kelvin calculated that in only 81 days the heat emitted by the sun is equivalent to the energy ...
... masses , but at present is simply an incandescent mass that is cooling ( 10 ) . To give some idea of the magnitude of the energy thus spent , Kelvin calculated that in only 81 days the heat emitted by the sun is equivalent to the energy ...
209 페이지
... mass of elementary particles forming the nuclei of their atoms . According to modern physical theory , atoms of all elements except hydrogen contain a nucleus of positively charged particles ( protons ) packed together with uncharged ...
... mass of elementary particles forming the nuclei of their atoms . According to modern physical theory , atoms of all elements except hydrogen contain a nucleus of positively charged particles ( protons ) packed together with uncharged ...
210 페이지
... mass spec- trometry after 1927. Mass spectrometers are devices for sorting out isotopes and determining their relative abundance by passing vola- tilized mixtures of these through a strong magnetic field . Improved models assembled by ...
... mass spec- trometry after 1927. Mass spectrometers are devices for sorting out isotopes and determining their relative abundance by passing vola- tilized mixtures of these through a strong magnetic field . Improved models assembled by ...
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Adam Sedgwick Agassiz animals appeared Arthur Holmes began beginning bodies bottom Buffon Burnet calculations Cambrian Carboniferous Carozzi catastrophists causes Cenozoic century changes CHAPTER continents cooling Cuvier Darwin deposits earth earth's crust energy erosion essay estimates evidence father figures fishes Floetz Flood formation fossiliferous fossils Geological Society geologists glaciation glaciers heat Holmes Hooke Hooke's Hutton idea Jura Mountains Kelvin kinds land later layers lectures living Lyell Maillet marine mathematics million minerals molten Murchison natural history neptunist ocean Ordovician organisms original Paleozoic particles period petrifactions physical plants Playfair present primitive mountains principle published radioactive radiometric radiometric dating rocks Royal Society Sacred Theory Scrope sea level Sedgwick sediment sedimentary shells Siccar Point Silurian Smith solid species Steno strata stratigraphic stratum studies substances succession superposition surface Telliamed temperature thickness Thomson tion tonguestones Triassic uniformitarians University volcanic Werner William