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To add the prefix "guided" to the phrase "Lamb wave" is thus to recognize that Lamb's infinite plate is, in reality, nowhere to be found. In reality we deal with finite plates, or plates wrapped into cylindrical pipes or vessels, or plates cut into thin strips, etc. Lamb wave theory often gives a very good account of much of the wave behavior ...
However, the particle motion of surface waves is larger than that of body waves, so the surface waves tend to cause more damage. In the case of Rayleigh waves, the motion is of a rolling nature, similar to an ocean surface wave. The intensity of Rayleigh wave shaking at a particular location is dependent on several factors: Rayleigh wave direction
Once the plants within reach were eaten, the lamb died. It could be eaten, once dead, and its blood supposedly tasted sweet like honey. Its wool was said to be used by the native people of its homeland to make head coverings and other articles of clothing. The only carnivorous animals attracted to the lamb plant (other than humans) were wolves. [4]
The patterns typically arise from an interplay of phenomena that differentially encourage plant growth or mortality. A coherent pattern arises because there is a strong directional component to these phenomena, such as wind in the case of fir waves, or surface runoff in the case of tiger bush. Patterns can include relatively evenly spaced ...
An increase in small animal populations has led to some grassland being degraded. [2] These animals include the Himalayan marmots, the Brandt's and plateau vole, and the plateau pika and zokor. [5] They damage this environment mainly through their burrowing into the ground and gnawing at the grass and other plants.
Myosins and other mechanochemical enzymes which use chemical energy in the form of ATP to produce mechanical vibrations in cells may also contribute to sound wave generation in plant cells. These mechanisms may lead to overall nanomechanical oscillations of cytoskeletal components, which can generate both low and high frequency vibrations.
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The substrate may be the earth, a plant stem or leaf, the surface of a body of water, a spider's web, a honeycomb, or any of the myriad types of soil substrates. Seismic cues are generally conveyed by surface Rayleigh or bending waves generated through vibrations on the substrate, or acoustical waves that couple with the substrate. Vibrational ...