نتایج جستجو برای: magnetic material
تعداد نتایج: 691123 فیلتر نتایج به سال:
Magnetic composite materials are used for multiple applications. The macroscopic behavior of the material is influenced by its microscopic properties. Sometimes it is difficult to model the complex structure of the composite because the properties differ at the microscopic scale. Some simplifying assumptions are often needed, one of them being the homogenization of the material. In this paper t...
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...
Introduction: Separation of molecules and cells using magnetic force is very simple, fast, efficient and low cost method in medical laboratory and research activities. The usage of this separation contributes to the quality of studies and related calculations in the field of laboratory sciences and researches. Methods and Materials: In the present study, we managed to make an optimal device fo...
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