A History of MechanicsDover Publications, 1988 - 662 стор. A remarkable work which will remain a document of the first rank for the historian of mechanics. -- Louis de Broglie |
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... oscillations often is about one or several Hz. Inter-area power oscillations related to the inter-area oscillation modes are the oscillations between two or more sub-networks in a large-scale power system. A typical inter-area oscillation ...
... oscillations up to several 100 Hz. Most commonly, the oscillation frequency scale utilized for multifrequency oscillation methods includes about 5–30 Hz. The low-frequency (2–4 Hz) oscillations are required for spontaneous breathing ...
... oscillation against ground , and the oscillation between line conductors ; the oscillation against ground is more persistent at low frequencies , due to the greater amount of stored energy in the electric field of the conductor , which ...
Зміст
CHAPTER ONE HELLENIC SCIENCE | 19 |
ALEXANDRIAN SOURCES AND ARABIC MANUSCRIPTS | 32 |
THE XIIIth CENTURY THE SCHOOL OF JORDANUS | 38 |
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