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Time in the theory of relativity:on natural clocks,proper time,the clock hypothesis,and all that
relativity Einstein natural clock atomic clock proper time clock hyothesis
2016/6/12
When addressing the notion of proper time in the theory of relativity, it is usually taken for granted that the time read by an accelerated clock is given by the Minkowski proper time. However, there ...
Determination of the proper time for mating after oestrous synchronisation during anoestrous or oestrous by measuring electrical resistance of cervical mucus in ewes
electrical resistance of cervical mucus oestradiol-17β progesterone anoestrous period
2015/4/30
The purpose of the present study was to investigate whether the electrical resistance values of the cervical mucus and/or blood οestradiol-17β and progesterone concentrations at mating, after oestrous...
Determination of the proper time for mating after oestrous synchronisation during anoestrous or oestrous by measuring electrical resistance of cervical mucus in ewes
electrical resistance of cervical mucus oestradiol-17β
2015/5/25
In each case, one blood sample was collected from
all ewes at sponge insertion, at sponge removal and at oestrus, for the determination of serum οestradiol-17β and
progesterone concentrations, usi...
Dynamical Implications of Adjustments to Proper Time Caused by Higher Dimensions: A Note
Dynamical Implications Higher Dimensions
2010/11/16
When the proper time of general relativity is adjusted to reflect the possible existence of higher dimensions, small dynamical effects appear in spacetime of the sort usually associated with the cosmo...
Dynamical Implications of Adjustments to Proper Time Caused by Higher Dimensions: A Note
Higher dimensions Cosmological constant Hubble’s Law Heisenberg’s relation
2010/12/21
When the proper time of general relativity is adjusted to reflect the possible existence
of higher dimensions, small dynamical effects appear in spacetime of the sort usually associated with the cosm...
The Feynman Propagator for Quantum Gravity: Spin Foams, Proper Time, Orientation, Causality and Timeless-Ordering
Quantum Gravity Spin Foams Proper Time Orientation Causality Timeless-Ordering
2010/10/14
We discuss the notion of causality in Quantum Gravity in the context of sum-over-histories approaches, in the absence therefore of any background time parameter. In the spin foam formulation of Quantu...