نتایج جستجو برای: curved slopes

تعداد نتایج: 33307  

Journal: :Logic and Logical Philosophy 2017

Journal: :International Association of Scientific Hydrology. Bulletin 1965

Journal: :تحقیقات آب و خاک ایران 0
لیلا مهردار دانشجوی کارشناسی ارشد دانشگاه ارومیه محمد همتی هیئت علمی دانشگاه ارومیه مهدی یاسی هیات علمی گروه مهندسی آب دانشگاه ارومیه

bendway weirs are an important tool in multi-purpose erosion control and are implemented to control erosion, restore streams, and improve habitat. these structures create a hydraulic effect that reduces erosion on the outer bank of a bend by reducing flow velocities near the outer bank and reduce the concentration of currents on the outer bank creating better current alignment through the bend....

Journal: :Developmental biology 2004
Dmitry A Voronov Patrick W Alford Gang Xu Larry A Taber

Cardiac looping is a vital morphogenetic process that transforms the initially straight heart tube into a curved tube normally directed toward the right side of the embryo. While recent work has brought major advances in our understanding of the genetic and molecular pathways involved in looping, the biophysical mechanisms that drive this process have remained poorly understood. This paper exam...

2011
R. E. Hammah J. H. Curran

This paper demonstrates the ability of Shear Strength Reduction (SSR) analysis based on the Finite Element Method (FEM) to model the scale effects of discontinuity networks on the stability and failure mechanisms of slopes in blocky rock masses. Through three examples, it shows how these mechanisms depend on joint network geometry and change with increasing slope height. Introduction Scale Effe...

2012
DOOBAE JUN HYEJIN KU Hyejin Ku

This paper studies barrier options which are chained together, each with payoff contingent on curved barriers. When the underlying asset price hits a primary curved barrier, a secondary barrier option is given to a primary barrier option holder. Then if the asset price hits another curved barrier, a third barrier option is given, and so on. We provide explicit price formulas for these options w...

2015
Daniel W. Zaide Qiukai Lu Mark S. Shephard

This paper examines the effect of curved boundary continuity on finite element simulations. Quartic C0 continuous and G1 continuous meshes with curved boundaries are created from CAD geometry. These C0 continuous and G1 continuous surface triangles are constructed using Bézier triangles and triangular Gregory patches respectively. Curved tetrahedra are constructed using a shape blending with te...

Journal: :Nanoscale 2013
Hengzhong Zhang Michael P Finnegan Jillian F Banfield

Spontaneous formation of curved nanorods is generally unexpected, since curvature introduces strain energy. However, electron microscopy shows that under hydrothermal conditions, some nanorods grown by oriented attachment of small anatase particles on {101} surfaces are curved and dislocation free. Molecular dynamics simulations show that the lattice energy of a curved anatase rod is actually l...

Journal: :journal of dentistry, tehran university of medical sciences 0
mohsen aminsobhani naghmeh meraji ehsan sadri

objectives: the purpose of this study was to evaluate the resistance to fatigue failure of five different nickel-titanium rotary files in three different curved trajectories. materials and methods: a total of 150 neoniti a1, race 25.06, mtwo 25.06, twisted file 25.06 and protaper next x2 files with the tip size of 25 were tested (n=30 for each group). three groove types simulating curved canals...

2016
Gang Luo Ying Chen Amy Doherty Rui Liu Cong Shi Shuhang Wang Hoai Le Eli Peli

Twenty-seven observers performed intensive visual search tasks with curved and flat monitors. Based on a 22-item eyestrain questionnaire, fewer subjects reported eyestrain, difficulty-tofocus and blurred-vision symptoms with a curved monitor than with a flat monitor. Fewer subjects had reduced saccade peak speed following the curved monitor use. Author

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