Results 31 to 40 of about 2,951,981 (325)
Mode Analysis of Pt/LGS Surface Acoustic Wave Devices
Sensors, 2020 Platinum (Pt) gratings on langasite (LGS) substrates are a widely used structures in high temperature surface acoustic wave (SAW) devices. Multiple modes can be excited in Pt/LGS SAW devices owing to the heavy weight of the Pt electrode and leaky waves ...
Hongsheng Xu +8 more
doaj +1 more source
Applied Sciences, 2023 Site velocity structure determination and stratigraphic division are important purposes of microtremor survey, and the precision of dispersion curves is an important factor affecting the accuracy of microtremor survey.
Xingang Mou +5 more
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Cosmology using cluster internal velocity dispersions [PDF]
New Astronomy, 1997 28 pages, LaTeX uses Elsevier style file, 7 postscript figures (3 bitmapped to lower res.) included.
BORGANI, STEFANO +3 more
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Calculation of velocity dispersion of the nearby galaxies using different stellar template libraries [PDF]
Serbian Astronomical Journal, 2010 We present the central velocity dispersion measurements of the nearby galaxies from the Sloan Digital Sky Survey (SDSS). Using the sample from the paper by Ho et al. 2009, we have selected 23 galaxies for which we calculate the velocity dispersion.
Lalović Ana
doaj +3 more sources
Macro-flow and Velocity Dispersion [PDF]
8th International Congress of the Brazilian Geophysical Society, 2003 Deformation resulting from a compressional wave can cause pore fluid motion on the order of the wavelength. If the fluid mobility is high, pressure can be equilibrated between regions of gas versus brine saturation. This can result in a relaxed, drained velocity even lower than dry or gas saturated velocities. This diffusion of fluid pressure can cause
M. Batzle, R. Hofmann
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Imprints of zero-age velocity dispersions and dynamical heating on the age–velocity dispersion relation [PDF]
Publications of the Astronomical Society of Japan, 2017 Abstract Observations of stars in the the solar vicinity show a clear tendency of old stars to have larger velocity dispersions. This relation is called the age–velocity dispersion relation (AVR) and it is believed to provide insight into the heating history of the Milky Way galaxy. Here, in order to investigate the origin of the AVR, we
Kumamoto, Jun +2 more
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Velocity dispersions in galaxy clusters
The Astrophysical Journal, 1993 We analyze the velocity dispersions of 79 galaxy clusters having at least 30 galaxies with available redshifts. We show that different estimates of velocity dispersion give similar results on cluster samples of at least 20 galaxies each. However, only robust estimates of velocity dispersion seem to be efficient on cluster samples with 10 galaxies each.
GIRARDI, MARISA +4 more
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Dispersion Velocity of Galactic Dark Matter Particles [PDF]
Physical Review Letters, 1996 The self-consistent spatial distribution of particles of Galactic dark matter is derived including their own gravitational potential, as also that of the visible matter of the Galaxy. In order to reproduce the observed rotation curve of the Galaxy the value of the dispersion velocity of the dark matter particles, $\rmsveldm$, should be $\sim 600\kmps ...
Cowsik, R +2 more
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地球与行星物理论评, 2023 Surface wave tomography using dispersion data to obtain isotropic and anisotropic shear wave velocity structures is a very efficient approach to study regional and global tectonics and deformation and to probe high-resolution crustal, upper mantle and ...
Huajian Yao +4 more
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Stellar Velocity Dispersion: Linking Quiescent Galaxies to Their Dark Matter Halos [PDF]
Astrophysical Journal, 2018 We analyze the Illustris-1 hydrodynamical cosmological simulation to explore the stellar velocity dispersion of quiescent galaxies as an observational probe of dark matter halo velocity dispersion and mass.
H. Zahid, J. Sohn, Margaret J. Geller
semanticscholar +1 more source