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While Lamb's analysis assumed a straight wavefront, it has been shown [8] that the same characteristic equations apply to cylindrical plate waves (i.e. waves propagating outwards from a line source, the line lying perpendicular to the plate). The difference is that whereas the "carrier" for the straight wavefront is a sinusoid, the "carrier ...
As the time for lambing approaches, the lamb will drop, causing the ewe to have a swayback, exhibit restless behaviour and show a sunken appearance in front of the hipbone area. [19] When birth is imminent, contractions begin to take place, and the fitful behaviour of the ewe may increase.
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Permeability can influence Stoneley wave propagation in three ways. Stoneley waves can be partly reflected at sharp impedance contrasts such as fractures, lithology, or borehole diameter changes. Moreover, as formation permeability increases, Stoneley wave velocity decreases, thereby inducing dispersion. The third effect is the attenuation of ...
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The ewe's learning of her lamb's odor involves synaptic changes within the olfactory bulb. Electrophysiological recordings from olfactory bulb mitral cells of a recently lambed ewe show these cells respond preferentially to general lamb odors, and a subset respond preferentially to the odor of a ewe's own lamb. [6]
The former first lady was notably absent from President Jimmy Carter's state funeral service, leading Barack Obama and Donald Trump to be seated next to one another