نتایج جستجو برای: migration of elements
تعداد نتایج: 21192170 فیلتر نتایج به سال:
During the past two decades an array of studies have shed light on potential links between the evolution of Hominids as well as Human dispersal out of Africa and episodes of abrupt climate change. Although archaeological evidences suggest that anatomically modified humans appeared in Africa between 200 and 150 ky ago, the timing of the early humans migration out of Africa remained unclear. Stra...
plasticizers are small and non-volatile molecules which to improve thermal and mechanical properties of polymers are added to it. One of the most important problems of plasticizers is migration to the outer surfaces of polymer matrix and thus reduce the mechanical and thermal properties and aging the polymeric material. In recent years to fix the problem related to the migration of plasticize...
mast cells play an important role in a variety of inflammatory diseases, particularly asthma and atopy. peroxisome proliferator-activated receptor gamma (pparγ) is a member of the large nuclear hormone receptor transcription factor superfamily, and has been recently implicated in the anti-inflammatory response. to investigate a possible role for pparγ in human mast cells, we studied the ...
postcholecystectomy clip migration is rare and can lead to complications such as clip-related biliary stones. most of such incidents have been reported as case reports. this study reviews a case of postcholecystectomy clip migration. it can occur at any time but typically occur at a median of 2 years after cholecystectomy. clinical presentations are similar to those with primary or secondary ch...
Network society is an ever-changing robust system expanding new nods as long as they can communicate. Videos, as a source of information and communication, are one of the most strategic nods in this architecture. The present study is a scholarly attempt in investigating the effects of videos on facilitating the process of migration for the Iranian students. To this end, our case studies partici...
conclusions intraperitoneal migration of a subfascially placed baclofen pump is a rare, yet serious complication, which has been reported only once in the literature. we advise neurosurgeons to have a low level of threshold in confirming the location of a baclofen pump with imaging and surgical exploration if necessary in order to avoid detrimental outcomes such as bowel perforation. case prese...
of the many diverse arts that flourished during the third millennium bc, textiles played an especiallysignificant role in society. archaeological textiles offer an important source of material cultural testimony fordaily life in ancient times- relating simultaneously to agriculture, pastoralism, trade, migration, ritual, and soforth as well as to craft technologies. the study of the techniques ...
Rural migration is being considered as an important phenomenon as far as the economic planners in developing counties are concerned. One type of this migration heading toward Arab neighboring countries located in Persian Golf Basin. The major objective of this study is to compare income level and standard of living of the rural migrants as opposed to non-migrant ones in Larestan County. Data we...
abstract today, pottery in shahreza of isfahan is a valuable arts with its up and downs which has stabilized its place among iranian pottery centers. the investigation of contemporary pottery in the course of history shows that iranian potters have used predecessors' experiences, as well as remained professions of pottery art such as soheili, bahari and fakhar, and tried to promote qual...
Introduction: Essure® device malposition is a rare, but clinically significant complication, for which management is idiosyncratic. This case report describes an unusual example of Essure® migration in order to clarify reasonable management options. Case Presentation: A 50-year old G4P2022 underwent hysteroscopi...
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