Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 90American Philosophical Society, 1946 |
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Сторінка 30
... separation of isotopes at the present time is that involved in the separation of uranium - 235 and uranium - 238 . However , this subject is largely classified . There are certain phases of this work that might be declassified in the ...
... separation of isotopes at the present time is that involved in the separation of uranium - 235 and uranium - 238 . However , this subject is largely classified . There are certain phases of this work that might be declassified in the ...
Сторінка 33
... separation or effective concentration of the isotopes of hydrogen , carbon , and sulphur , and corresponding differences have been observed in the chemical properties of isotopic compounds in the case of lithium , oxygen , and potassium ...
... separation or effective concentration of the isotopes of hydrogen , carbon , and sulphur , and corresponding differences have been observed in the chemical properties of isotopic compounds in the case of lithium , oxygen , and potassium ...
Сторінка 34
... separation of isotopes has progressed markedly in the years since their discovery but that much work remains to be done . With this brief review of the methods of iso- topic separation we turn to the question of the ob- jectives for ...
... separation of isotopes has progressed markedly in the years since their discovery but that much work remains to be done . With this brief review of the methods of iso- topic separation we turn to the question of the ob- jectives for ...
Зміст
SYMPOSIUM ON ATOMIC ENERGY AND | 1 |
Atomic Weapons J R OPPENHEIMER | 7 |
The Development of the First Chain Reacting Pile ENRICO FERMI | 20 |
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