ScienceJohn Michels (Journalist) 1949 |
From inside the book
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Page 81
... present . Sim- ilarly , the stratospheric oxygen may have an isotopic composition different from the oxygen in contact with the tropical oceans . The maximum expected differ- ence between stratospheric and photosynthetic oxygen is 33 ...
... present . Sim- ilarly , the stratospheric oxygen may have an isotopic composition different from the oxygen in contact with the tropical oceans . The maximum expected differ- ence between stratospheric and photosynthetic oxygen is 33 ...
Page 82
... present theory over that of Mayer and Teller is that we are able to account for the neutron - rich heavy nuclei in a natural way , while Mayer and Teller have to introduce their " polyneutron , " the origin of which remains an open ...
... present theory over that of Mayer and Teller is that we are able to account for the neutron - rich heavy nuclei in a natural way , while Mayer and Teller have to introduce their " polyneutron , " the origin of which remains an open ...
Page 105
... present population . If , on the contrary , we assume the human race to have been in existence for a million years , and to have increased at a uniform exponential or geometrical rate , starting with a single pair , the present ...
... present population . If , on the contrary , we assume the human race to have been in existence for a million years , and to have increased at a uniform exponential or geometrical rate , starting with a single pair , the present ...
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AAAS acetylcholine acid activity Agricultural Amer American amino acids animals Association awarded Bentley Glass biol biological blood Cancer carbon cells chairman Chem chemical chemistry Chicago College color complete concentration culture Department desoxycorticosterone director effect electron engineering enzyme experimental experiments factor field folic acid genetics growth human Illustrated increase Institute isotopes Laboratory Lysenko material measurements Medical Medicine meeting ment metabolism meteorites method mutations National neomycin nuclear observed obtained organic oxidation oxygen paper particles penicillin peroxidase phosphors photosynthesis physics plants possible present problems produced professor protein radiation radioactive rats reaction recently reported retinene samples School Science scientific scientists Society solution specific standard Table temperature theory tion tissue tube ultraviolet Unesco Univer University versity virus vitamin volume Washington xanthine oxidase xanthopterin York York City