نتایج جستجو برای: migration of elements

تعداد نتایج: 21192170  

ژورنال: کواترنری ایران 2018
Sharifi, Arash,

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...

ژورنال: مواد پرانرژی 2019

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...

Journal: :iranian journal of allergy, asthma and immunology 0
guqin zhang department of respiratory medicine, zhongnan hospital of wuhan university, china jiong yang department of respiratory medicine, zhongnan hospital of wuhan university, china ping li department of respiratory medicine, zhongnan hospital of wuhan university, china jie cao department of respiratory medicine, zhongnan hospital of wuhan university, china hanxiang nie department of respiratory medicine, renmin hospital of wuhan university, china

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 ...

Journal: :middle east journal of digestive diseases 0
ali ghavidel

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...

Journal: :anesthesiology and pain medicine 0
timothy j. kovanda department of neurological surgery, goodman campbell brain and spine, indiana university, indianapolis, usa ecaterina pestereva department of neurological surgery, goodman campbell brain and spine, indiana university, indianapolis, usa albert lee department of neurological surgery, goodman campbell brain and spine, indiana university, indianapolis, usa; department of neurological surgery, goodman campbell brain and spine, indiana university, 355 west 16th street, suite 5100, indianapolis, in 46202, usa. tel: +1-3173961300, fax: +1-3173961443

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...

Journal: :iranian journal of archaeological studies 2011
mehdi mortazavi moslem mishmast irene good

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...

Journal: :هنرهای سنتی اسلامی 0
امیر نظری ایمان زکریایی کرمانی مهرنوش شفیعی سرارودی

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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