نتایج جستجو برای: defect
تعداد نتایج: 95186 فیلتر نتایج به سال:
Time-of-flight diffraction method (ToFD) is an amplitude-independent sizing method which is based on the measurement of time-of-flight of defect tip diffracted waves. Although ToFD can measure through-wall length of defect accurately, this method is not capable of measuring horizontal defect size. In this paper, a new ToFD method for evaluating horizontal planar defects is presented. The finite...
Introduction: Root canal instrumentation is an important phase in root canal therapy. Since success in endodontic treatment depends on file defect and fracture, the aim of this study was to compare the evaluation of defect and fracture in rotary and reciproc files in severe curved root canals. Materials & Methods: In this experimental study, 60 mesial canals of human closed apex molars with ...
in all legal systems, it’s essential to know the nature of fault due to the absolute responsibility of a salesman or producer, on the one hand, and the possibility of receiving compensation on the other hand. in islamic law, this absolute responsibility is interpreted as ḍamān (indemnification); therefore, this ḍamān that is our subject of discussion in option of defect, is taken into considera...
Background: Bone tissue engineering requires materials that are biocompatible, mechanically suited for bone function, integrated with the host skeleton, and support osteoinduction of the implanted cells for new bone formation. The aim of this study was to compare the osteogenic potential of xenograft with hydroxyapatite/β- tricalcium phosphate (HA/β-TCP) scaffold. Methods: New Zealand rabbits (...
In this paper, the effects of welding parameters involving tool shape, title angle, rotational speed and welding speed on the S-shape defect formation have been investigated. For this purpose friction stir welding process were done on the Al-1085 plates by cylindrical, Triangle and square pins. The welded sections were studied by metallographic, radiography and SEM methods. The results showed t...
we report 127 cases who have had elective operation on cranium because of skull bone defect during 1984-1989. usually repair of skull bone defect and preserving normal anatomy were the major therapeutic goals. 10, ii in these cases a new surgical technique is described which can successfully accomplish these goals in a single but staged operative procedure.
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