نتایج جستجو برای: migration
تعداد نتایج: 140506 فیلتر نتایج به سال:
This article examines the impact of governance quality on the migration of highly educated persons. Using human capital and social transition theories of migration, two hypotheses are proposed. The cross-sectional data (for 1990 and 2000) have been used to test the hypotheses via the framework of a random utility model. Principal Component Analysis (PCA) is used to build a composite index of go...
Double base propellant consists of two main components, nitrocellulose and nitroglycerin and nitroglycerin migration from inter to surface of propellant, is the main problem of this type of propellants. In the effect of this undesirable phenomenon, due to the heterogeneity of nitroglycerin in the propellant matrix during Storage, in addition to decrease of safety, the ballistic properties will ...
While migration is a basic element of population dynamics in most societies, in Iran, rural-urban migration is a particular concern of both social scientists and policy makers. Rural-urban migration accounts for over half of the growth of most Iranian cities. On the other hand, this movement is often cited as having negative effects on rural area, including a shortage of supply of agricultural ...
Background There is an increasing trend of international migration of health professionals from low- and middle- income countries to high-income countries as well as across middle-income countries. The WHO Global Code of Practice on the International Recruitment of Health Personnel was created to better address health workforce development and the ethical conduct of international recruitment. T...
in this paper we tried to analyze the relationship between migration, informal settlement, and unemployment in ahvaz as the regional metropolis of khuzestan state. unemployment and migration interaction effect with each other. because on the one hand unequal distribution facilities and services leads to unemployment and job for people, the other hand, mass unemployment in section of the workfor...
this report is on a migration of a steinman pin into the posterior com department of the calf. it was used to fix a greater trochanteric osteotomy in a total hip arthroplasty. the puzzling note is how this metal piece passed through the anterolateral compartment of the thigh to the posterior compartment of the calf. accord ing to our literature review, migration of fixation pins through the kne...
kutum, rutilus frisii kutum, is an commercially important fish in the caspian sea. the fish enters the rivers leading to the caspian sea for spawning. one of these rivers is shiroud river. in the artificial propagation process of kutum, different factors are involved in quality and quantity of female broods eggs and also in the best temperature and migration time for spawning. the influence of ...
background this article looks at the long-term, structural determinants of environmental and public health performance in the world system. methods in multiple standard ordinary least squares (ols) regression models, we tested the effects of 26 standard predictor variables, including the ‘four freedoms’ of goods, capital, labour and services, on the following indicators of sustainable develop...
laparoscopy has made a revolution in surgical procedures and treatment of various diseases but its complications are still under investigation. intra-abdominal visceral and vessel injuries, trocar site hernia, and leaving foreign bodies into the peritoneal cavity are among some laparoscopic surgery complications. this is a rare report of penrose drain migration following incomplete laparoscopic...
Cell migration involves complex mechanical interactions between cells or between cells and the underlying substrate. Using a newly developed technique , "
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