نتایج جستجو برای: migration

تعداد نتایج: 140506  

Journal: :Czech sociological review 1994
D Drbohlav

This article "is devoted to the international migration issue in the Czech Republic and Slovakia (Czechoslovakia). Besides the contemporary trends, the international migration situation is briefly traced back to the communist era. The probable future scenario of international migration development--based especially on migration patterns that Western Europe has experienced--is also sketched, w...

Ali Gorji, Mohammad Amin Bayat Tork, Mohsen Saberifar, Sajad Sahab Negah,

Traumatic brain injury (TBI) is one of the main causes of mortality and morbidity worldwide. Despite extensive investigations over the past few decades, no effective therapies exist to improve the brain function in patients with TBI. Neural tissue engineering is an attractive therapeutic approach to restore the brain structure and function of damaged tissue. Bioactive motif of Stromal cell-deri...

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...

Background & Objective: Herbal medicine and their composition are widely used for different therapeutic purposes. Therefore, this study was designed to evaluate of the anti-proliferation and anti-migration effects of Thymoquinone (TQ), an active part of Nigella sativa, on PC3 prostate cancer cells. Materials & Methods: In this experimental study, PC3 prostate cancer cells were treated with 0, 1...

ژورنال: ژئوفیزیک ایران 2018

The time for easy oil discovery and production for National Iranian Oil Company (NIOC) is over. This means that the oil is no longer discovered in structurally simple, i.e., almost flat environments like south of Khuzestan province (south west of Iran). This comes along with the fact that Iran’s biggest oil reservoirs are in this area, and they are passing half of their life cycle. These giant ...

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: :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...

Journal: :Cell 2008
Joshua J. Buchman Li-Huei Tsai

The nuclei of progenitor cells in developing neural epithelia change their position during the cell cycle through a process called interkinetic nuclear migration. Del Bene et al. (2008) report that defects in the machinery controlling this process lead to altered exposure to Notch signals and systemic effects on neurogenesis in the retina.

Journal: :Brain research. Developmental brain research 2005
Craig D Albright Mei-Heng Mar Corneliu N Craciunescu Jiannan Song Steven H Zeisel

Alterations in maternal dietary choline availability during days 12-17 of pregnancy led to an increase in the level of immunoreactive netrin-1 and a decrease in the level of DCC protein in the developing fetal mouse brain hippocampus compared with controls. Changes in the expression of cell migration cues during development could account for some of the lifelong consequences of maternal dietary...

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