نتایج جستجو برای: surface defect
تعداد نتایج: 722997 فیلتر نتایج به سال:
Background and Objective: Nowadays, various biomaterials have been presented for regeneration of osseous defects and Bio-oss is one of them. The objective of this study was evaluation of Bio-oss function in intramedullary space of rabbit`s tibia near titanium implant. Materials and Methods: In this study, 12 white New Zealand rabbits were selected and randomly divided into control and experimen...
BACKGROUND There is a strong correlation between glenoid defect size and recurrent anterior shoulder instability. A better understanding of glenoid defects could lead to improved treatments and outcomes. PURPOSE To (1) determine the rate of reporting numeric measurements for glenoid defect size, (2) determine the consistency of glenoid defect size and location reported within the literature, ...
background: bernard-soulier syndrome is a rare inherited bleeding disease caused by quantitative or qualitative defect of gpib/ix/v, a platelet complex that binds the von willebrand factor. the expression of gpib-ix-v complex can be evaluated by flow cytometry and confirmed by the absence of ristocetin-induced platelet aggregation in platelet-rich plasma. the main aim of the present study was t...
We propose a method for decomposing the total energy of a supercell containing defects into contributions of individual atoms, using the energy density formalism within the density functional theory. The spatial energy density is unique up to a gauge transformation, and we show that unique atomic energies can be calculated by integrating over Bader and charge-neutral volumes for each atom. Nume...
AIMS Retinal nerve fibre layer photography is a well established method to qualitatively document early structural changes which might be induced by primary open angle glaucoma. The aim was to analyse localised retinal nerve fibre layer (RNFL) defects in a new quantitative way with respect to surface topography, defect width, and surface reflectivity by means of the technique of confocal scanni...
We propose defect extremal surface as the holographic counterpart of boundary quantum surface. The is defined by minimizing Ryu-Takayanagi corrected theory. This particularly interesting when RT crosses or terminates on defect. In a simple set up AdS/BCFT, we find that formula gives precisely same results provide decomposition procedure an AdS bulk with brane to see clearly how Island emerges f...
Nowadays, wood companies are ever more interested in automatic vision systems (Li & Wu, 2009), (Åstrand & Åström, 1994), for an effective surface inspection that greatly increases the quality of the end product (Smith, 2001), (Armingol et al., 2006). The inspection process, in most visual inspection systems, pursues online defects identification, to reach optimum performance (Malamas et al., 20...
The effect of the local electronic modification of the graphite surface on the gas-graphite interaction has been investigated by the molecular beam scattering technique. The angular intensity distributions of He and Ar beams scattered from pristine and defect induced graphite surfaces have been measured at various surface temperatures. From the He scattering results, the cross-section for the H...
This paper introduces the surface inspection system for wire rod in steel-making industry. The inspection system is based on vision technology. We have developed illumination system with blue LED lighting sources to get best quality of surface image. And we have implemented defect detection algorithms based on block sigma transform which can recognize wire rod objects and segments defect candid...
We use molecular dynamics to study the ordering of a nematic liquid crystal around a spherical particle or droplet. Homeotropic boundary conditions and strong anchoring create a hedgehog (radial point defect) director configuration on the particle surface and in its vicinity; this topological defect is canceled by nearby defect structures in the surrounding liquid crystal, so as to give a unifo...
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