Science, Том 109John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 77
... Oxygen ole CHEMIST , OXYGEN IS ONE of the nteresting elements of the earth because remarkable reactivity , its paramagnetism , tion in living processes , its use as the atomic weights , and , finally , its great the earth's crust . The ...
... Oxygen ole CHEMIST , OXYGEN IS ONE of the nteresting elements of the earth because remarkable reactivity , its paramagnetism , tion in living processes , its use as the atomic weights , and , finally , its great the earth's crust . The ...
Стр. 80
... oxygen , let us investigate the possibility of 018 enrichment of atmospheric oxygen by isotopic ex- change . There are two possible exchange reactions which could enhance the 018 content of atmospheric oxygen ; the first , 16 18 2H2018 ...
... oxygen , let us investigate the possibility of 018 enrichment of atmospheric oxygen by isotopic ex- change . There are two possible exchange reactions which could enhance the 018 content of atmospheric oxygen ; the first , 16 18 2H2018 ...
Стр. 81
... oxygen having a different ition from that already present . Sim- ospheric oxygen may have an isotopic ferent from the oxygen in contact with eans . The maximum expected differ- ratospheric and photosynthetic oxygen mil of which the ...
... oxygen having a different ition from that already present . Sim- ospheric oxygen may have an isotopic ferent from the oxygen in contact with eans . The maximum expected differ- ratospheric and photosynthetic oxygen mil of which the ...
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