نتایج جستجو برای: core 1
تعداد نتایج: 2918380 فیلتر نتایج به سال:
seismic behavior of a rockfill dam with asphalt-concrete core has been studied utilizing numerical models with material parameters determined by laboratory tests. the case study selected for these analyses, is the meyjaran asphalt core dam, recently constructed in northern iran, with 60 m height and 180 m crest length. the numerical analyses have been performed using a nonlinear three dimension...
Introduction & Objective: The management of mutilated primary incisors in early childhood caries is a clinical challenge. This study's purpose was to compare the resistance strength of 3 different types of posts in restoring broken primary incisors: (1) composite posts, (2) ortho-dontic wire posts and (3) quartz fiber posts. Materials & Methods: This semi experimental in vitro study was perfo...
In this study, CeO2 hollow spherical nanoparticles, CeO2/SiO2 @ CeO2 core/shell composites,and hollow CeO2/SiO2 sensors were synthesized and their microstructures were researched byFT-IR, XRD, FESEM, EDX and BET analyses. The peaks observed in the FT-IR spectra of the synthesizedsamples corresponded to Ce-O stretching vibration (ca. 566 cm-1) and O-Si-O bendingvibration (ca. 470 cm-1). XRD diff...
Aims and background: Low back pain is the most common musculoskeletal disorder. There are several ways to treat back pain, but to achieve a short, easy and compress way is needed in today’s industrial societies. The aim of this study was to compare the effect of core stabilization training in water and on land on pain and dynamic postural stability in women with chronic non-specific low back p...
Comparison of the effect of shoulder and contra bevel preparation on fracture resistance of teeth restored with cast posts Dr. SA. Shayegh* - Dr. F. Gangy** *- Assistant Professor of Prosthodontics Dept. - Faculty of Dentistry – Shahed University of Medical Sciences. **- Dentist. Background and Aim: Studies concerning the effects of post-core design on fracture resistance of endodontically trea...
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