Results 81 to 90 of about 475,511 (316)

Vanishing relaxation time dynamics of the Jordan Moore-Gibson-Thompson equation arising in nonlinear acoustics

, 2021
The (third order in time) JMGT equation [Jordan (J Acoust Soc Am 124(4):2491–2491, 2008) and Cattaneo (C Sulla conduzione del calore Atti Sem Mat Fis Univ Modena 3:83–101, 1948)] is a nonlinear (quasi-linear) partial differential equation (PDE) model ...
Bongarti, Marcelo, Lasiecka, Irena, Charoenphon, Sutthirut   +2 more
core   +1 more source

Comparative Study of 2D Lattice Boltzmann Models for Simulating Seismic Waves

Remote Sensing
The simulation of seismic wavefields holds paramount significance in understanding subsurface structures and seismic events. The lattice Boltzmann method (LBM) provides a computational framework adept at capturing detailed wave interactions, offering a ...
Muming Xia, Hui Zhou, Chuntao Jiang, Jinming Cui, Yong Zeng, Hanming Chen   +5 more
doaj   +1 more source

T1 Over Squared Proton Density Ratio to Characterize Multiple Sclerosis Lesions

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Differentiating remyelinated from demyelinated lesions in MS remains challenging without histological confirmation. This study introduces the T1‐to‐PD2 ratio (TPR) imaging approach and evaluates its ability to characterize MS lesions alongside other quantitative MRI (qMRI) metrics. Methods Thirty individuals with MS (mean age: 47.5 ± 
Sarah J. Wright, Scotty G. McKay, Jean Ramos Bou, Fen Bao, Vivian B. Truong, Chenyang Li, Li Jiang, Anza B. Memon, E. Mark Haacke, Yulin Ge, Yongsheng Chen   +10 more
wiley   +1 more source

Spin-sensitive bleaching and spin relaxation in QW's

, 2003
Spin-sensitive saturation of absorption of infrared radiation has been investigated in p-type GaAs QWs. It is shown that the absorption saturation of circularly polarized radiation is mostly controlled by the spin relaxation time of the holes.
Kainz, Josef, Petra Schneider, V. V. Bel’kov, Prettl, Wilhelm, D. Weiss, W. Wegscheider, Belkov, Vassilij, Schneider, Petra, W. Prettl, Wegscheider, Werner, Schuh, Dieter, Rössler, Ulrich, Weiss, Dieter, Golub, Leonid, L. E. Golub, J. Kainz, D. Schuh, Ganichev, Sergey, Golub, Leonid E., S. D. Ganichev   +19 more
core   +1 more source

Cognitive Behavioral Therapy for Youth With Childhood‐Onset Lupus: A Randomized Clinical Trial

Arthritis Care &Research, EarlyView.
Objective Our objective was to determine the feasibility and acceptability of the Treatment and Education Approach for Childhood‐Onset Lupus (TEACH), a six‐session cognitive behavioral intervention addressing depressive, fatigue, and pain symptoms, delivered remotely to individual youth with lupus by a trained interventionist.
Natoshia R. Cunningham, Thea Senger‐Carpenter, Jocelyn Zuckerman, Michelle Adler, Mallet R. Reid, Ashley Danguecan, Luana Flores Pereira, Sarah I. Mossad, Samantha L. Ely, Khalid Abulaban, Elizabeth A. Kessler, Natalie Rosenwasser, Tamar B. Rubinstein, Ekemini A. Ogbu, Emily A. Smitherman, Alaina Miller, Taylor Abounader, Elizabeth Ross, Livie Timmerman, Dhriti Sharma, Jennifer N. Stinson, Stacy Allen, Kabita Nanda, Tala El Tal, Deborah M. Levy, Linda T. Hiraki, Hermine I. Brunner, Mathew Reeves, Steven J. Pierce, Andrea Knight   +29 more
wiley   +1 more source

The spatial effect of protein deuteration on nitroxide spin-label relaxation : Implications for EPR distance measurement [PDF]

, 2014
This work was supported by a Wellcome Trust Senior Fellowship (095062) to T.O.-H. The Authors would also like to acknowledge funding from The MRC – United Kingdom, Grant G1100021.Pulsed electron-electron double resonance (PELDOR) coupled with site ...
Ward, Richard, Bowman, Andrew, Owen-Hughes, Tom; id_orcid, Norman, David G., El Mkami, Hassane, Bowman, A., Norman, D.G., Owen-Hughes, Tom, Ward, Richard James, Owen-Hughes, T.   +9 more
core   +1 more source

Substructure and magnetic properties of single-crystal spinel ferrites films

Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2011
The results of the study of static and dynamic magnetic properties of single-crystal spinel ferrites films. It is shown that the magnetic properties of films depend on the chemical composition, degree of structural defects and technological conditions of ...
Ludmila N Mitlina, Gregoriy S Badrtdinov, Yulia V Velikanova, Margarita R Vinogradova, Nataliya V Meleshko, Irina V Nikiforova   +5 more
doaj  

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

Advanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez, Alejandro F. Manchón‐Gordón, Antonio Vidal‐Crespo, Rafael Caballero‐Flores, Jhon J. Ipus, Clara F. Conde   +5 more
wiley   +1 more source

Time, stress, and temperature-dependent deformation in nanostructured copper: Stress relaxation tests and simulations

, 2016
In the present work, stress relaxation tests, high-resolution transmission electron microscopy (HRTEM), and molecular dynamics (MD) simulations were conducted on coarse-grained (cg), nanograined (ng), and nanotwinned (nt) copper at temperatures of 22 ...
Zhang, TY (reprint author), Shanghai Univ, Mat Genome Inst, 99 Shangda Rd, Shanghai 200444, Peoples R China., Yang XS, Wang YJ(王云江), Zhai HR, Dai LH(戴兰宏), Zhang TY, Wang GY   +6 more
core   +1 more source

A Time-Domain Reflectometry Method with Variable Needle Pulse Width for Measuring the Dielectric Properties of Materials

Sensors, 2016
Time-domain reflectometry (TDR) methods used for measuring the dielectric properties of materials mostly utilize step or needle electrical pulses of constant amplitudes and shapes.
Andrzej Wilczek, Agnieszka Szypłowska, Marcin Kafarski, Wojciech Skierucha   +3 more
doaj   +1 more source