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2008
Among the environmental problems identified as such today are some that already have a very long history. Pleistocene hunter-gatherers in Australia changed Australian ecosystems greatly, may have contributed to the extinction of some plant and animal species and caused significant pollution especially by their use of fire (Goudsblom 1992; Reijnders ...
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Among the environmental problems identified as such today are some that already have a very long history. Pleistocene hunter-gatherers in Australia changed Australian ecosystems greatly, may have contributed to the extinction of some plant and animal species and caused significant pollution especially by their use of fire (Goudsblom 1992; Reijnders ...
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Journal of the American College of Radiology, 2010
Leadership is not just a set of activities; it is also about vision and character. Principles matter: for you, for your coworkers, and for the group or institution you serve. Individuals and groups can succeed only through a climate of commitment and trust.
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Leadership is not just a set of activities; it is also about vision and character. Principles matter: for you, for your coworkers, and for the group or institution you serve. Individuals and groups can succeed only through a climate of commitment and trust.
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Foundations of Physics, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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2005
AbstractThis chapter shows that the general calculus of variations can be used to derive variational principles in mechanics. Two different, but closely related, variational principles are presented here: Hamilton's Principle and the phase-space Hamilton's Principle.
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AbstractThis chapter shows that the general calculus of variations can be used to derive variational principles in mechanics. Two different, but closely related, variational principles are presented here: Hamilton's Principle and the phase-space Hamilton's Principle.
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Resonance, 1978
The underlying idea in Mach’s principle is that the origin of inertia or mass of a particle is a dynamical quantity determined by the environment, in particular the rest of the matter in the universe. In this article, we discuss the role of this idea in the Brans-Dicke theory of gravitation and the Hoyle-Narlikar cosmology.
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The underlying idea in Mach’s principle is that the origin of inertia or mass of a particle is a dynamical quantity determined by the environment, in particular the rest of the matter in the universe. In this article, we discuss the role of this idea in the Brans-Dicke theory of gravitation and the Hoyle-Narlikar cosmology.
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