نتایج جستجو برای: surface at absolute zero
تعداد نتایج: 4252726 فیلتر نتایج به سال:
Recent research has uncovered a fascinating quantum liquid made up solely of electrons confined to a plane surface. Found only at temperatures near absolute zero and in extremely strong magnetic fields, this liquid can flow without friction. The excited states of this liquid consist of peculiar particle-like objects that carry an exact fraction of an electron charge. Called quasiparticles, thes...
objective: vertical root fracture (vrf) is among the most common causes of endodontic treatment failures. this study aims to compare charge-coupled devices (ccd) and photostimulable phosphor plates (psp) for detection of vertical root fractures in endodontically treated teeth. methods: in this diagnostic in vitro study, 40 maxillary anterior teeth were selected and after preparation and root ...
Objective: Vertical root fracture (VRF) is among the most common causes of endodontic treatment failures. This study aims to compare charge-coupled devices (CCD) and photostimulable phosphor plates (PSP) for detection of vertical root fractures in endodontically treated teeth. Methods: In this diagnostic in vitro study, 40 maxillary anterior teeth were selected and after preparation and roo...
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