نتایج جستجو برای: pillar strength
تعداد نتایج: 212340 فیلتر نتایج به سال:
Mining-induced subsidence is critical for ecological environment reconstruction and damage prevention in coal mining areas. Understanding the characteristics of surface with multi-seam first step. Surface different panel layout configurations was investigated by means UDEC numerical simulation. Based on simulation results, it indicated that configuration had a significant impact subsidence, inc...
Microfluidic channels with integrated pillars are fabricated on SU8 and PDMS substrates to understand the capillary flow. Microscope in conjunction with highspeed camera is used to capture the meniscus front movement through these channels for ethanol and isopropyl alcohol, respectively. In parallel, numerical simulations are conducted, using volume of fluid method, to predict the capillary flo...
BACKGROUND The lateral pillar of the femoral head is an important site for disease development such as osteonecrosis of the femoral head. The femoral head consists of medial, central, and lateral pillars. This study aimed to determine the biomechanical effects of early osteonecrosis in pillars of the femoral head via a finite element (FE) analysis. METHODS A three-dimensional FE model of the ...
Extracellular matrix molecules provide biochemical and topographical cues that influence cell growth in vivo and in vitro. Effects of topographical cues on hippocampal neuron growth were examined after 14 days in vitro. Neurons from hippocampi of rat embryos were grown on poly-L-lysine-coated silicon surfaces containing fields of pillars with varying geometries. Photolithography was used to fab...
Articles you may be interested in Experimental evidence of high-frequency complete elastic bandgap in pillar-based phononic slabs Appl. Superlensing effect for surface acoustic waves in a pillar-based phononic crystal with negative refractive index Appl. Finite element analysis and experimental study of surface acoustic wave propagation through two-dimensional pillar-based surface phononic crys...
The relative contribution of blood flow to vessel structure remains a fundamental question in biology. To define the influence of intravascular flow fields, we studied tissue islands--here defined as intravascular pillars--in the chick chorioallantoic membrane. Pillars comprised 0.02 to 0.5% of the vascular system in 2-dimensional projection and were predominantly observed at vessel bifurcation...
New coastal and marine management strategies have recently been developed in many countries and regions. From an ecosystem approach perspective, the aim of such strategies is the maintenance of ecosystem integrity while enabling the sustainable use of ecosystem goods and services. There is, however, a need for harmonized definitions and standardized processes to deal not only with the interjuri...
Large-area goafs in a gypsum mine tend to collapse after 10 or more years, but the influencing factors are still unclear, and effects of multiple have not been comprehensively considered. In this study, failure mechanism mode room-pillar goaf structure were analyzed, uniaxial compressive strength tests pillars under different conditions carried out laboratory. The influences water, temperature,...
Spherical Cu nanocavity surfaces are synthesized to examine the individual role of contact angles in connecting lateral Rayleigh-Taylor wavelength to vertical Kevin-Helmholtz wavelength on hydrodynamic instability for the onset of pool boiling Critical Heat Flux (CHF). Solid and porous Cu pillar surfaces are sintered to investigate the individual role of pillar structure pitch at millimeter sca...
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