from methanolic extract of aerial parts of peucedanum ruthenicum m. bieb (apiaceae) collected from mazandaran province of iran, four flavonoids namely isorhamnetin 3-0-rutinoside 1, rutin 2, quercetin 3, morin 4 and two phenolic acids namely caffeic acid 5 and p-coumaric acid 6 have been isolated by paper chromatography (pc) and crystallization. their structures were elucidated by ms, 1h, 13c n...

The present study aimed at ranking and selecting the superior geothermal project for hydrogen production in 14 provinces of Iran using a multi-objective optimization fuzzy hybrid approach through analyzing the ratio (fuzzy Moora) and expanded entropy weighting method. In this research, the extended entropy weighing method and the Fuzzy-Moora approach were utilized to weigh the criteria and proj...

Soil erosion results from an interaction of several parameters, which vary in space and time. Awareness ofenvironmental changes and their impact on the intensity and spatial pattern of water erosion can effectively help inrecognition of erosional reactions versus the affecting factors. The aim of this paper is to describe the development ofa methodology based on present knowledge and available ...

objective: an entomological survey was carried out for leishmania vector incrimination of sand flies in northwestern iran. materials and methods: among other specimens, 358 sand flies belong to the sergentomyia genus were tested for leptomonad infection using semi-nested pcr method as well as sequence anlalysis of its-rdna fragment. results: results of semi-nested pcr against kietoplast dna...

Objective: The purpose of this study was to examine the investigate the relationship between resiliency and immune system activity of students. Methods: This research is descriptive and correlational. The population consist of all students of the faculty science of Azad university in Ardebil. 100 students were selected with sampling method. The students answere...