نتایج جستجو برای: migration

تعداد نتایج: 140506  

ژورنال: مرتع 2022
Ghorbani, Ardavan, Hozhabr, Firooz, Moameri, Mehdi,

Background and objectives: Migration is the movement of people from one ecological region to another, it may be on temporary or permanent basis. Migration is a selective mechanism that impacts individuals and households economically, socially, educationally, and demographically, and it is an important phenomenon that many economists, particularly in developing countries, have addressed. Due to ...

Journal: :پژوهش های روستایی 0
مجتبی قدیری معصوم استاد گروه جغرافیای انسانی دانشگاه تهران حبیبه یوسفی پژوهشگر دوره دکتری برنامه ریزی روستایی، دانشگاه شهید بهشتی محمد اکبرپور سراسکانرود پژوهشگر دوره دکتری و عضو باشگاه پژوهشگران جوان دانشگاه آزاد اسلامی واحد تهران مرکزی احمد خلیلی پژوهشگر دوره دکتری شهرسازی، دانشگاه تهران

introduction emigration from villages to cities has been happening constantly and nowadays too, and shows the motion of rural societies. but, today the great number of emigrations and the villages getting evacuated from skilled and youth is a social- economical inexpressiveness in our country. considering the important role of human authorities in rural development, youth has an important place...

Journal: :iranian journal of public health 0
mohammed reza sheikhian gastrointestinal and liver disease section, department of internal medicine, imam reza hospital, mashhad university of medical science , mashhad, iran.

a case of a 40-year-old female, in whom a 6-meter long worm (taenia saginata) was found in stomach, is reported here. in this patient, t. saginata upward migration of the worm to the stomach, its rare phenomenon, worm mostly seen in the small intestine. this is mainly because of the high gastric acidity. in this patient, we believe proton pump inhibitor (ppi) use caused hypochlorhydria and coex...

Journal: :پژوهش نفت 0

it has been proven through laboratory experiments that the three types of gas migration through a cemented annulus can be eliminated by designing the correct cement mixture. the first type of void and, therefore, gas migration can occur between the casing and the cement. by adding the correct amount of magnetite to the cement, this void, and therefore  the  possible  cause  of  gas migration, c...

Marjan Joodi Mehran Hiradfar Mohammad Gharavi Reza Shojaeian

Umbilical and supraumbilical catheter insertion is a common procedure performed in the NICU. It is a safe and usually easy procedure devoid of serious mishaps, morbidity and mortality. Complications such as hemorrhage, infection, hernia, evisceration, omphalitis, portal vein thrombosis and portal hypertension may occur after umbilical catheter insertion. Other uncommon and rare complications re...

Journal: :Social Cohesion and Development 2016

Journal: :medical journal of islamic republic of iran 0
mohsen emami al-agha from the department of pathology, faculty of medicine, kermanshah university of medical sciences, kermanshah amid athari the department of parasitology, faculty of medicine, shahid beheshti university of medical sciences, tehran, islamic republic of iran.

a case of ectopic fascioliasis due to migration of an immature fasciola hepatica fluke is described in a 23 year old woman from western iran.

Journal: :Progress in Human Geography 2020

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