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Orbital fractures commonly occur in maxillofacial trauma causing enophthalmos and diplopia. The isolated orbital fl oor fracture often called as blow out fracture is a common presentation following blunt trauma. The fl oor fractures may also occur in combination with zygomatic arch fractures, Le Fort II or III or with frac ture of other orbital bones. The cosmetic and functional problems can vi...
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Childhood is a highly risky age group in terms of orbital injuries. Injuries of the forehead in the presence of orbital ecchymosis, swelling and haematoma of the eyelids, infiltration and swelling of the surrounding tissues and the face must be carefully examined for a high level of suspicion of the presence of orbital fracture and exclusion of intracranial complications which may accompany orb...
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Graphdiyne and derivatives with delocalized π-electron systems are of particular interest owing to their structural, electronic, and transport properties, which are important for potential applications in next-generation electronics. Inspired by recently obtained extended graphdiyne nanowires, explorations of the modulation of the band gap and carrier mobility of this new species are still need...
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ژورنال
عنوان ژورنال: Nature
سال: 1990
ISSN: 0028-0836,1476-4687
DOI: 10.1038/347437a0