introduction atmospheric circulation patterns leads to different weather conditions and rainfall regime change is controlled by seasonal and irregular variations of atmospheric circulation pattern. variety and climate change, such as drought and flood result in changes in the spatio-temporal of precipitation, one of the important parameters conditions mentioned, heterogeneity in moisture transm...

abstractparkinson’s disease (pd) is a neuropathological and debilitating disorder involving the degeneration of mesencephalic dopaminergic neurons. neuroprotective effect of hesperetin has already been reported, therefore, this study examined whether the administration of this flavonoid would attenuate behavioral abnormalities in an experimental model of pd in rat. for this purpose, unilateral ...

decreasing water loss and increasing the irrigation times are basic methods to develop agriculture, success in natural recourse projects, minimize the stress to planted bushes in natural fields and increase the productivity of soil and water sources. the use of super absorbent is one of these strategies to achieve these goals. the main purpose of this research was to study the effect of super a...

background:  allogeneic hematopoietic stem cell transplantation (allo-hsct) is used as treatment of choice for patients with acute myeloid leukemia (aml). we aimed to evaluate the prognostic factors in 2-year overall survival of patients with non-m3 aml who underwent allogenic hsct. methods: this is a cross sectional retrospective study. demographic data and study of variables such as age, sex,...

extended abstract 1. introduction the diversity of impersonal constructions and the different approaches used in studying them have caused different and sometimes contradictory positions about their classification and the explanation of grammatical and semantic roles of their components. this article reveals the necessity of studying them with a new approach which pursues a common basis coverin...

in general, spring cultivation of sugar beet is prevalent, but nowadays because of water sources limitation and also plants low water use efficiency in this time of cultivation, autumn cultivation is growing up. several assessments also have showed that in compare with spring cultivation, autumn cultivation of sugar beet has other benefits including reducing the likelihood of plant disease and ...

to study the effects of different levels of water stress and nitrogen fertilizer on seed yield and yield components of two common bean genotypes (phaseolus vulgaris), an experiment in a split plot factorial based on crbd with four replications was conducted at the research farm of university of tehran (karaj-iran) in 2010. water stress treatments as the main factor included normal irrigation (6...

forest cover is one of the most effective factors in reducing flooding in northern iran, so that in recent years the destruction, land use changing and uncontrolled harvesting of forest areas, has greatly increased the number and magnitude of floods. so far, there have been few studies on forest hydrology in iran, particularly the northern hyrcanian forests. this study examines the impact of a ...

application of various composts has been intensified in agriculture, due to manifestation of negative effects of chemical fertilizers on environment and soil fertility. however, their usage should be accompanied by environmental and nutritional studies. to study the effects of sulfur granular compost on yield and yield components of two wheat cultivars, a pot experiment was conducted in a compl...

in recent decades, foreign direct investment (fdi) has played a vital role in economic growth of developed and developing countries. fdi brings new capital and technology to the host country beside a possibility of spillover to local firms. hence, fdi is considered as an important channel of technology transfer. however, in empirical studies, the size and direction of effects of fdi on producti...