Results 231 to 240 of about 201,657 (290)

Modulating superconductivity in elementary materials by doping. [PDF]

Sci Rep
Nie S, Zhang X, Guo J, Prinz FB.
europepmc   +1 more source

Synergistic Design of Multicomponent Carbon Fillers and Structures for Emi Shielding Rubbers. [PDF]

Small Sci
Zhang W, Deng L, Yang T, Luo F, Wen S, Tang Y, Wu H, Chen Q.   +7 more
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Dispersal Patterns, Dispersal Mechanisms, and Invasion Wave Speeds for Invasive Thistles

The American Naturalist, 2007
Understanding and predicting population spread rates is an important problem in basic and applied ecology. In this article, we link estimates of invasion wave speeds to species traits and environmental conditions. We present detailed field studies of wind dispersal and compare nonparametric (i.e., data-based) and mechanistic (fluid dynamics model-based)
Olav, Skarpaas, Katriona, Shea
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Shear wave dispersion and mechanical relaxation spectra

Journal of Physics D: Applied Physics, 1999
It is shown that a mechanical stress relaxation spectrum may be obtained directly from measurements of the dispersion of shear waves in viscoelastic media. The effectiveness of this spectrum, in terms of its sensitivity and accuracy in parametrizing distributions of stress relaxation in the frequency domain, is demonstrated with reference to several ...
P R Williams, S Ravji
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A linear focusing mechanism for dispersive and non-dispersive wave problems

Journal of Computational Physics, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bhumkar, Yogesh G., Rajpoot, Manoj K., Sengupta, Tapan K.   +2 more
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Tunable Wave Dispersion in 3D Woodpile Mechanical Metamaterials

2014 International Symposium on Optomechatronic Technologies, 2014
We numerically and experimentally investigate the nonlinear wave dispersion in 3D woodpile periodic structures consisting of slender cylindrical rods. The slender rods have low frequency resonance modes that are coupled with the propagating wave. Depending on the coupling of local modes, the propagating waveform in woodpile can change significantly ...
Eunho Kim, Yong Han, Noel Kim, Jinkyu Yang   +3 more
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Shear wave dispersion in mechanically self-similar gel networks

Journal of Physics D: Applied Physics, 1998
A study of viscoelastic shear wave dispersion in a simulated gelation process involving mechanically self-similar nodal networks is reported. The network formed at the gel point (the infinite network cluster, or `critical gel') shares a common structural feature of smaller network clusters and the onset of a recognizably `gel-like' feature is shown to ...
P R Williams, R L Williams
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Measurement of tissue mechanical properties with shear wave dispersion ultrasound vibrometry (SDUV)

2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2009
Shear wave dispersion vibrometry (SDUV) produces motion in tissue using sequential pulses of ultrasound radiation pressure. The resulting motion of the tissue in the form of propagating shear waves can provide information about the material properties of the tissue given the appropriate equations of motion for the geometry of the tissue.
James F, Greenleaf, Matthew W, Urban, Shigao, Chen   +2 more
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