Science: v.1-v.219Moses King, 1967 |
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Page 1081
... electron became the great challenge . In 1930 Dirac ad- vanced the hypothesis that the vexing negative - energy states in his equation were all normally occupied except for a few " holes , " which he assumed cor- responded to protons ...
... electron became the great challenge . In 1930 Dirac ad- vanced the hypothesis that the vexing negative - energy states in his equation were all normally occupied except for a few " holes , " which he assumed cor- responded to protons ...
Page 1300
... Electrons in metals " ; T. Loucks , " En- ergy - band calculations . " Pseudopoten- tials ( chairman to be announced ) : W. Harrison , " Pseudopotential theory " ; J. Wilkins , " Beyond the one - electron ap- proximation . " Fermi ...
... Electrons in metals " ; T. Loucks , " En- ergy - band calculations . " Pseudopoten- tials ( chairman to be announced ) : W. Harrison , " Pseudopotential theory " ; J. Wilkins , " Beyond the one - electron ap- proximation . " Fermi ...
Page 1312
v.1-v.219. Electron Microscope Elmiskop I A Siemens Elmiskop Electron Microscopes have won a worldwide reputation for highest resolution , stability and reliability . Over 800 Elmiskops are already in service at leading universi- ties ...
v.1-v.219. Electron Microscope Elmiskop I A Siemens Elmiskop Electron Microscopes have won a worldwide reputation for highest resolution , stability and reliability . Over 800 Elmiskops are already in service at leading universi- ties ...
Contents
Vol 155 No 3765 | 951 |
International Biological Program | 957 |
E M Williams | 974 |
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