نتایج جستجو برای: mechanical test
تعداد نتایج: 1030441 فیلتر نتایج به سال:
the molecular dynamic technique was used to simulate the nano-indentation test on the thin films of silver, titanium, aluminum and copper which were coated on the silicone substrate. the mechanical properties of the selected thin films were studied in terms of the temperature. the temperature was changed from 193 k to 793 k with an increment of 100 k. to investigate the effect of temperature on...
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...
Introduction: Cholestasis is impairment of normal bile excretion into the duodenum and classified as mechanical and non mechanical cholestasis. Mechanical Cholestasis presents with increase in bile duct diameter or obstruction in bile duct in an ERCP. Cholestasis leads to different complications. One of these complications is mucosal peptic erosion leading to gastrointestinal bleeding, perfora...
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