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...

background: the hazardous nature of aflatoxins to human and animals necessitate the establishment of control measures. objectives: the effect of two medicinal plants, satureja khozistanica and satureja macrosiphon, was studied on inhibiting aspergillus flavus growth and reducing aflatoxin b1-content in the liquid medium. methods: essential oils were isolated by hydrodistillation method, using a...

organochlorine pesticides are as environmental pollutants which have a high half-life and transmit from food chain to human and cause side effects such as mutations in different genes and finally cancer. in this research, after sampling and quantitative and qualitative of organochlorine residue, biodegradation of alpha, beta and gamma hexachlorobenzene (linden), ddt, aldrin, dieldrin, endosulfa...

in this research priority of gorgan’s sub- watershed were done after normalizing the indicators using gis software. the multi-attribute decision-making methods including electre, topsis and saw were used in this study. ahp was applied in order to weighting the indicators in expert choice software. first, priority the sub-watershed were done by electre, topsis and saw using the excel. each metho...

background:     objective:     methods:     results:     discussion:

background: in order to diagnose the site of thrombi, radiolabeled streptokinase can be prepared. the radiolabeled compound can be used in imaging of thrombi in many cardiovascular diseases. materials and methods: streptokinase was successively labeled with [67ga]-gallium chloride using cyclic dtpa-dianhydride. the conjugation with dtpa was optimized for concentration, time and temperature foll...

objective(s):to investigate the effects of local mild hypothermia on the expression of fas, fasl and mmp-3 after cerebral ischemia-reperfusion in rats. materials and methods:male wistar rats were divided into sham-operated group (sham), normothermia group (nt), and hypothermia group (ht). mcao/r model was established by longa’s method, and reperfusion was allowed after 2 hr occlusion. mild hypo...

anise hyssop is a prennial herb belonging to the lamiaceae family. essential oil of this plant is used in food, pharmaceuticals, cosmetics industries as well as flavoring liqueurs. since water stress affects the growth, productivity, as well influences the active principles governing medicinal plants, in this research the effect of different water deficit stresses on such morphological traits a...

consequences of divorce, specially the negative ones, affect different sectors of society generally and become specifically important in gender development analysis and social policy, because of their especial influence on women’s lives. this article reviews the previous studies and published literature on after-effects of divorce in iran in a period between 1997 and 2011. based on an initial s...

root rot is one of the important diseases of bean in zanjan province and two fungal pathogens, rhizoctonia solani and fusarium solani are the major causal agents of this disease in the region. in this research, the inhibitory effect of n-hexane, di-ethyl-ether, chloroform and ethanol extracts of five plant species, hermel (peganum harmala), thyme (thymus kotschyanus), yarrow (achillea wilhelmsi...