نتایج جستجو برای: discontinuous rock

تعداد نتایج: 59414  

2015
Dario Grana

Rock physics modeling aims to provide a link between rock properties, such as porosity, lithology, and fluid saturation, and elastic attributes, such as velocities or impedances. These models are then used in quantitative seismic interpretation and reservoir characterization. However, most of the geophysical measurements are uncertain; therefore, rock physics equations must be combined with mat...

Journal: :The Journal of Cell Biology 2005
Yoshihiko Shimizu Dean Thumkeo Jeongsin Keel Toshimasa Ishizaki Hiroko Oshima Masanobu Oshima Yoichi Noda Fumio Matsumura Makoto M. Taketo Shuh Narumiya

Rho-associated kinase (ROCK) I mediates signaling from Rho to the actin cytoskeleton. To investigate the in vivo functions of ROCK-I, we generated ROCK-I-deficient mice. Loss of ROCK-I resulted in failure of eyelid closure and closure of the ventral body wall, which gave rise to the eyes open at birth and omphalocele phenotypes in neonates. Most ROCK-I(-/-) mice died soon after birth as a resul...

2007
Jonathan Hill

27 Using projective and objective measures, effects of rock music on emotion were investigated. Sixty students were randomly assigned to three conditions: hard rock, soft rock, and no music. One group listened to hard rock music while taking a projective test with five ink blots and an objective test with an Emotional Assessment Scale (EAS). The same procedure was used for the second group whil...

Journal: :journal of mathematical modeling 2014
jugal mohapatra

in this article, we propose an adaptive grid based on mesh equidistribution principle for two-parameter convection-diffusion boundary value problems with continuous and discontinuous data. a numerical algorithm based on an upwind finite difference operator and an appropriate adaptive grid is constructed. truncation errors are derived for both continuous and discontinuous problems. parameter uni...

Journal: :The Journal of Cell Biology 2005
Atsuko Yoneda Hinke A.B. Multhaupt John R. Couchman

The homologous mammalian rho kinases (ROCK I and II) are assumed to be functionally redundant, based largely on kinase construct overexpression. As downstream effectors of Rho GTPases, their major substrates are myosin light chain and myosin phosphatase. Both kinases are implicated in microfilament bundle assembly and smooth muscle contractility. Here, analysis of fibroblast adhesion to fibrone...

2009
Yangsong Zhang Xiaozhao Li

The evaluation of local stability of the tunnel surrounding rock mass with weak rock layer is very important for the economy and security of the tunnel construction. Based on the rock tunnel geological conditions in the construction, the finite element model of the tunnel surrounding rock mass stability analysis with weak rock layer is established in the article by selecting the ABAQUS program ...

2014
Anthony P. Lyons

In terms of target detection and classification, scattering from exposed rock on the seafloor, (i.e., individual rocks and rock outcrops) presents some of the most difficult challenges for modern MCM and ASW sonar systems in shallow water. Work on characterizing, modeling and simulating mean levels and other statistical measures of acoustic scattering from rocks and rock outcrops is therefore c...

Journal: :Energies 2022

The article presents a method of selecting an arch yielding support for preparatory workings driven in hard coal seam. Particular attention was paid to discontinuous deformation the form fault, which significantly contributes change excavation protection schemes. On basis geometry machines and devices designed excavation, selected, then checked ventilation criterion. In next stage, analytical c...

2016
Johanna L. Hannan Hotaka Matsui Nikolai A. Sopko Xiaopu Liu Emmanuel Weyne Maarten Albersen Joseph W. Watson Ahmet Hoke Arthur L. Burnett Trinity J. Bivalacqua

Axonal injury due to prostatectomy leads to Wallerian degeneration of the cavernous nerve (CN) and erectile dysfunction (ED). Return of potency is dependent on axonal regeneration and reinnervation of the penis. Following CN injury (CNI), RhoA and Rho-associated protein kinase (ROCK) increase in penile endothelial and smooth muscle cells. Previous studies indicate that nerve regeneration is ham...

A. Ghahramani N. Hataf S.M. Binesh,

In this paper, the linearly conforming enriched radial basis point interpolation method is implemented for the elasto-plastic analysis of discontinuous medium. The linear conformability of the method is satisfied by the application of stabilized nodal integration and the enrichment of radial basis functions is achieved by the addition of linear polynomial terms. To implement the method for the ...

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