Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 84American Philosophical Society, 1941 |
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Сторінка 226
... direction and intensity , continual observations of it must be maintained . Although ob- servations extend over four ... direction of the Earth's field was com- pletely reversed . It is assumed that volcanic rocks , on cooling , become ...
... direction and intensity , continual observations of it must be maintained . Although ob- servations extend over four ... direction of the Earth's field was com- pletely reversed . It is assumed that volcanic rocks , on cooling , become ...
Сторінка 229
... direction of the magnetic field at the time . These clays , like most sedimentary rocks , are only slightly magnetic as compared with volcanic rocks . However , their magnetization may be readily measured by a newly developed technique ...
... direction of the magnetic field at the time . These clays , like most sedimentary rocks , are only slightly magnetic as compared with volcanic rocks . However , their magnetization may be readily measured by a newly developed technique ...
Сторінка 393
... direction of the E. wall of the transept and the oblique direction of the opening of the apse . Conse- quently also , the axis of the apse had to be fitted into this system . It is possible that the direction of the N. wall of the ...
... direction of the E. wall of the transept and the oblique direction of the opening of the apse . Conse- quently also , the axis of the apse had to be fitted into this system . It is possible that the direction of the N. wall of the ...
Зміст
Theoretical Synthesis of Supernova Spectra FRED | 1 |
Production of Secondary Electrons by Electrons of Energy | 33 |
Autonomous Versus Reflexogenous Activity of the Central | 53 |
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