نتایج جستجو برای: vertical stresses
تعداد نتایج: 133606 فیلتر نتایج به سال:
PURPOSE Running at high speed and sudden change in direction or activity stresses the knee. Surprisingly, not many studies have investigated the effects of sprinting on knee's kinetics and kinematics of soccer players. Hence, this study is aimed to investigate indices of injury risk factors of jumping-landing maneuvers performed immediately after sprinting in male soccer players. METHODS Twen...
The first consistent model for the turbulent tachocline is presented, with the turbulent diffusivity computed within the model instead of being specified arbitrarily. For the origin of the 3D turbulence a new mechanism is proposed. Owing to the strongly stable stratification, the mean radial shear is stable, while the horizontal shear is expected to drive predominantly horizontal, quasi-2D moti...
Transcription factors play a key role to enable plants to cope with abiotic stresses. DREB2 regulates the expression of several stress-inducible genes and constitutes major hubs in the water stress signalling webs. We cloned and characterized a novel gene encoding the FpDREB2A transcription factor from Fraxinus pennsylvanica, and a yeast activity assay confirmed its DRE binding and transcriptio...
BACKGROUND AND AIMS There are many edentulous people with severely resorbed residual ridges and non-resilient lin-ing mucosa that are unable to tolerate occlusal forces during functional and parafunctional movements. Lining the tissue surface of dentures with a flexible material can theoretically distribute and absorb forces with cushioning effect. The aim of this study was to evaluate the effe...
The effects of a prescribed surface intensification of the thickness (and isopycnal) diffusivity on the solutions of an ocean general circulation model are documented. The model is the coarse resolution version of the ocean component of the National Center for Atmospheric Research (NCAR) Community Climate System Model version 3 (CCSM3). Guided by the results of Ferreira et al. (2005) [Ferreira,...
The purpose of this study was to evaluate the influence of superstructure material and vertical misfits on the stresses created in an implant-supported partial prosthesis. A three-dimensional (3-D) finite element model was prepared based on common clinical data. The posterior part of a severely resorbed jaw with two osseointegrated implants at the second premolar and second molar regions was mo...
Abstract In today’s time, construction is the main key for development of any nation, but land resources are getting deplete. Thus, on compressible soil left as a choice. Stone columns or granular piles (GPs) broadly used to advance bearing capacity crummy ground and lessen displacement constructionserected them. GP most efficient cheap improvement. Analysis single partially strengthened (SPS) ...
A form-finding method is proposed for free-form shells specifying the distribution of stresses projected to horizontal plane. The surface shape obtained as a solution linear system vertical equilibrium equations discretized by finite difference with respect heights at grid points. Distribution shear stress specified generate various shapes region negative Gaussian curvature and free boundary. E...
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