نتایج جستجو برای: surface topography
تعداد نتایج: 655072 فیلتر نتایج به سال:
[1] Investigations into mechanisms driving surface tectonics commonly search for mantle sources, but few observations constrain flow in the upper mantle and transition zone. Here variations in the upper mantle discontinuities at 410 km and 660 km below the western United States are revealed through mapping depths of compressional-to-shear wave conversions recorded by broadband seismometers. The...
The osseointegration of oral implants is related to the early interactions between osteoblastic cells and titanium surface. Chemical surface modification of titanium (Ti) implants is used to improve peri-implant bone growth, bone-to-implant contact, and adhesion strength. Thus, in this study, the surface topography, chemistry, and biocompatibility of polished titanium surface treated with mixe...
Cadmium sulfide (CdS) photosensitizers were successfully formed on the mesoporous titania films using the successive ionic layer adsorption and reaction (SILAR) method in five cycles, and the effects of particles size distribution and their occupied surface area on the morphology, topography, optical property, and photovoltaic performance were investigated. Scanning electron microscope (SEM) im...
Micromolding surface-initiated polymerization enables the fabrication of polymer coatings that reproduce the microscale surface topography of superhydrophobic leaves onto solid supports. Here, the surfaces of superhydrophobic leaves from Trifolium repens and Aristolochia esperanzae are molded and reproduced as the topography of a partially fluorinated polymer coating through the surface-initiat...
PURPOSE To analyze the surface optics of 4 currently available intraocular lenses (IOLs) with atomic force microscopy. SETTING Licryl Laboratory, University of Calabria, Rende, Italy. METHODS The surface roughness and topography of poly(methyl methacrylate) (PMMA), silicone, hydrophobic, and hydrophilic acrylic IOLs were evaluated with atomic force microscopy in contact mode. The analysis w...
Illumination estimation is crucial for surface detection methods based on visual image reconstruction. The luminance of the machined topography with desertification fractal structure difficult to accurately describe using existing illumination models, which depend macrosurface geometric features and reflection characteristics. Therefore, model under coaxial light microscopic vision proposed in ...
Cell culture substrates of defined topography have emerged as powerful tools with which to investigate cell mechanobiology, but current technologies only allow passive control of substrate properties. Here we present a thermo-responsive cell culture system that uses shape memory polymer (SMP) substrates that are programmed to change surface topography during cell culture. Our hypothesis was tha...
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