a hybrid hydro/wind/photovoltaic base on hydrogen storage system is designed to supply power demand of pump stations. the aim of this design is minimization of net present cost of the hybrid system. optimization problem is subject to reliable supply of the demand. the system is investigated in the north west of iran (meshkinshahr) and the local data is applied. about 12 pump stations are found ...

background: the aims of this study were to examine the prevalence of trichomoniasis among women aged 18 to 48 yr in ardabil, northwestern iran and the relationship between demographic factors and the risk of infection. methods: vaginal discharge samples of 914 women aged 18 to 48 yr, referred to gynecology clinic of sabalan hospital of ardabil, iran in 2014, were collected and trichomonas vagin...

line to/cal/3/7c//bb/cno/5/cal//cno/sn64/4/cno//bad/dar/3/kl/6/sabalan was received from icarda under international winter wheat improvement in 1999-2000 cropping season. based on its favorable agronomic characteristics, it was selected for further evaluations in advanced and elite yield trials in main research stations of dryland agricultural research institute (dari) and on farm yield trials ...

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in order to estimate the nutrient value of three dominant range species; festucaovina, trifolium montanum and alopecurus textilis via proximate analyses and gas productiontechnique, samples were collected in three stages during grazing period from 26th may to 1thseptember in six areas of sabalan mountain in north west of iran. results showed thattrifolium montanum as a legume had higher values ...

In order to estimate the nutrient value of three dominant range species; Festucaovina, Trifolium montanum and Alopecurus textilis via proximate analyses and gas productiontechnique, samples were collected in three stages during grazing period from 26th May to 1thSeptember in six areas of Sabalan Mountain in North West of Iran. Results showed thatTrifolium montanum as a legume had higher values ...

in order to obtain the maximum benefit, yield increasing and its stability a supplemental irrigation field experiment was conducted as split plot arranged in a randomized complete block design (rcbd) with three replications during 1999-2002 at maragheh agricultural research station of dari. the treatments included four levels of irrigation (average of three years: 0, 95, 151 and 207 mm) as main...

Background:Every day, people with addiction cause heavy economic and cultural damage to society. In some circumstances, opioids are used as a tool for suicide, which is often seen in youth. The aim of this study was to investigate the clinical signs of toxicity associated with opium in patients referred to Ardabil city hospital. Methods:This is a cross-sectional study that has been done on opiu...