Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 84American Philosophical Society, 1941 |
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Сторінка 188
... electric currents in the Earth or conspicuous manifestations of electric forces at play in the atmosphere , such as lightning , St. Elmo's fire , etc. , are of relatively infrequent occurrence , but electric forces are always at play in ...
... electric currents in the Earth or conspicuous manifestations of electric forces at play in the atmosphere , such as lightning , St. Elmo's fire , etc. , are of relatively infrequent occurrence , but electric forces are always at play in ...
Сторінка 191
... electric current which flows from the atmosphere to the Earth ( or at times in the opposite direction ) it follows that the electric current from air to Earth also suffers no conspicuous change during electromagnetic dis- turbances ...
... electric current which flows from the atmosphere to the Earth ( or at times in the opposite direction ) it follows that the electric current from air to Earth also suffers no conspicuous change during electromagnetic dis- turbances ...
Сторінка 194
... electric phenomena and prop- erties , of the lower atmosphere and of the Earth , in relation to geomagnetism . The fact that no conspicuous changes in the electric force or in the electric conductivity of the lower atmosphere have been ...
... electric phenomena and prop- erties , of the lower atmosphere and of the Earth , in relation to geomagnetism . The fact that no conspicuous changes in the electric force or in the electric conductivity of the lower atmosphere have been ...
Зміст
Theoretical Synthesis of Supernova Spectra FRED | 1 |
Production of Secondary Electrons by Electrons of Energy | 7 |
Bache as an Educator MERLE M ODGERS | 161 |
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