نتایج جستجو برای: mechanical performance
تعداد نتایج: 1264057 فیلتر نتایج به سال:
the sustainability of the built environment is increasingly coming to the forefront of infrastructure design and maintenance decisions. to address this, development of a new class of more sustainable cement-based materials is needed. fiber reinforced self-consolidating mortar (frscm) was developed by optimizing the micromechanical parameters, which control composite properties in the hardened s...
Abstract Background & Aim: Children under mechanical ventilation are at risk of developing pneumonia, due to the lack of cough reflex, swallowing and immobility. Many of the pneumonia preventing strategies related to ventilation are direct responsibilities of clinical nurses. The aim of the study was to evaluate the performance of nurses in the field of oral care in the children under mechan...
the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...
the fracture resistance of all-ceramic restorations is one of the major concerns in clinical applications of these materials. before initiating a time-consuming and costly clinical investigation, an in vitro study can help to estimate the in vivo usability of a new dental material. mechanical properties of all-ceramic materials are frequently evaluated to predict their clinical performance. sin...
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