Results 221 to 230 of about 4,652,142 (278)

Ultrasonic investigation of strongly weathered mudstone subjected to coupled drying-wetting cycles and vibration loading. [PDF]

PLoS One
Zhang L, Bai H, Cui H, Zhang S, Li Y, Liu C, Xu P.   +6 more
europepmc   +1 more source

Corrosion assessment in aluminum pipe based on nonlinear ultrasonic technique using macro fiber composite transducers. [PDF]

PLoS One
Wang R, Zhang H, Chen H, Wu Y, Xiong K, Wu Q, Zou L.   +6 more
europepmc   +1 more source

First-Principles Design of Cubic Spinel ZnIn₂S₄ With Enhanced Carrier Transport, Optical Response, and Mechanical Stability for Photocatalytic and Optoelectronic Applications. [PDF]

ChemistryOpen
Rahman M, Tanisa NY, Roshid MM, Yildirim Y, Khan MSA.   +4 more
europepmc   +1 more source

First-principles investigation of hydrogen storage capacity, electronic, optical, mechanical, and thermodynamic properties of alkaline-metal-based K₂LiXH₆ (X = Mg, Ca) hydrides. [PDF]

RSC Adv
Siddique K, Mustafa GM, Al-Anazy MM, Alkhaldi ND, Almeshal A, El-Rayyes A, Khan MT, Mahmood Q.   +7 more
europepmc   +1 more source

Myocardial Work Index Dispersion as a Potential Predictor of Ventricular Arrhythmias in Patients with Heart Failure with Reduced Ejection Fraction. [PDF]

Biomedicines
Dąbrowska M, Potapowicz-Krysztofiak M, Życzkowska P, Maciorowska M, Orski Z, Winkler A, Krzesiński P, Kiliszek M, Uziębło-Życzkowska B.   +8 more
europepmc   +1 more source

Wave propagation in a generalized magneto-micropolar thermoelastic medium with gravity and initial stress. [PDF]

Sci Rep
Salah DM, Abd-Alla AM, Aljohani MA.
europepmc   +1 more source

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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, Jinkyu Yang
exaly   +2 more sources

Measurement of Tissue Mechanical Properties With Shear Wave Dispersion Ultrasound Vibrometry (SDUV)

Annual International Conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society Annual International Conference, 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.
Matthew Urban, James F Greenleaf, Shigao Chen   +2 more
exaly   +3 more sources

The Influence of Wave Dispersion Characteristics on the Determination of Mechanical Relaxation Spectra

Journal of Rheology, 1994
A new rheometrical technique has been developed to determine the mechanical relaxation spectra of viscoelastic materials by measurement of shear wave group and phase velocities in a virtual gap rheometer. The technique’s sensitivity and accuracy in providing relaxation spectra directly from measurements arises from exploitation of marked changes in ...
P R Williams, D J A Williams
exaly   +2 more sources