Science: v.1-v.219Moses King, 1960 |
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Стр. 1079
... electron systems , which are guished from molecules with only bonds by the fact that after excitation they remain in the excited state for ap- preciable periods of time before the energy is degraded to heat . These peri- ods are often ...
... electron systems , which are guished from molecules with only bonds by the fact that after excitation they remain in the excited state for ap- preciable periods of time before the energy is degraded to heat . These peri- ods are often ...
Стр. 1136
... electron microscopy these Philips features constitute obvious design benefits . A new advance in illuminating system offers a coherent electron source . This source maintains the same excellent image resolution found in earlier models ...
... electron microscopy these Philips features constitute obvious design benefits . A new advance in illuminating system offers a coherent electron source . This source maintains the same excellent image resolution found in earlier models ...
Стр. 1382
... electrons ( Fig . 1 ) . After 10 minutes in the germination medium , the spores become somewhat swollen , 4 6 Figs . 1-6 . Electron micrographs of Bacillus megaterium , taken with an R.C.A. electron microscope ( EMU - 2A ) at an ...
... electrons ( Fig . 1 ) . After 10 minutes in the germination medium , the spores become somewhat swollen , 4 6 Figs . 1-6 . Electron micrographs of Bacillus megaterium , taken with an R.C.A. electron microscope ( EMU - 2A ) at an ...
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Editorial The Florence Agreement | 957 |
Science in the News Environmental Radiation Studies Begun by Public Health Service in New Mexico | 974 |
Departments New Jersey Academy of Science Forthcoming Events New Products | 994 |
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