نتایج جستجو برای: upstream of gorgan
تعداد نتایج: 21165206 فیلتر نتایج به سال:
background: toxoplasma gondii is one of the most prevalent parasites of human and warm- blooded animals. toxoplasmosis is important especially in two groups: pregnant women and immunocompromised patients. if women acquire the primary infection during the pregnancy, it would be life threatening or re-mains severe disorders for the fetus. this study was performed to evaluate the seroprevalence of...
Literature review related to nonrenewable resources shows that technological improvements have considerable effects on resource depletion and decreasing operational cost. Therefore it is assumed that technology is the most important and influential variables in the production function and utilization cost of these resources. In this study, we assess the long term effect of technology diffusion...
in order to achieve high quality seeds, producers must be able to estimate the accurate harvest maturity time seeds. the objective of this study was to investigate changes in seed quality during seed development and maturation in the two cultivars native of the sari and gorgan and two cultivars modified of the darab14 and yellowhite. a field experiment was conducted in during 2009 at gorgan uni...
INTRODUCTION A cleft lip with or without a cleft palate is one of the major congenital anomalies observed in newborns. This study explored the risk factors for oral clefts in Gorgan, Northern Iran. MATERIALS AND METHODS This hospital-based case-control study was performed in three hospitals in Gorgan, Northern Iran between April 2006 and December 2009. The case group contained 33 newborns wit...
The purpose of this study was to investigate social factors affecting environmental behavior among citizens of Gorgan city. This descriptive-analytic study was done by cross sectional survey on 400 citizens of Gorgan city in 1396. The standard information collection tool is standard. A multi-stage random sampling method was used for sampling. The collected data were analyzed by parametric test ...
Riparian vegetation is a component of river system that performs certain basic functions including primary vegetative production, protecting stream banks from erosion, trapping sediments, promoting water quality, wildlife habitat and fisheris, forage for livestock, etc. In this research, spatio-temporal change of vegetation riparian area of Aghbolagh-river as an upstream of Karoon-river for 65-...
Background & Aim: Purslane (Portulaca oleracea L.), belongs to the Portulacaceace family, grows in many parts of Iran. Results of previous studies were indicated purslane is a rich source of essential fatty acids of omega-3 and omega-6. Portulaca oleracea is a widespread weed, being the eighth common plants of the world. The Aim of current study was to compare the essential f...
Flood is one of the most destructive natural phenomena. Every year it brings extensive losses to the country’s financial and human resources. In our country, major parts of Iran’s provinces are always at risk of flooding. The Gorgan and Atrak catchments have also become more important, as several floods have occurred in Golestan province in recent years, causing many deaths and economic losses....
background & aim: purslane (portulaca oleracea l.), belongs to the portulacaceace family, grows in many parts of iran. results of previous studies were indicated purslane is a rich source of essential fatty acids of omega-3 and omega-6. portulaca oleracea is a widespread weed, being the eighth common plants of the world. the aim of current study was to compare the essential fatty acids com...
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