‏‎the community dynamics of aquatic coleoptera(insecta)in one of the spring-stream habitats of bammo national park in fars province called cheshmeh-ye-ghanbari is studied as a pilot project and model for acquaintance with and furthering the biodiversity studies on fauna of iran. sixteen species-populations out of nineteen of this community were already identified for their taxonomy and for thei...

abstract this study set out to compare the effect of modality of presentation (subtitled vs. auditory) in the comprehension of verbal content of documentary films among iranian efl students. to this end, (30 male 30 female) students were chosen from two schools. after their homogeneity was established, the students attended the listening sessions to watch five documentary films over t...

زیبایی مفهومی نسبی و مبتنی بر سلیقه است و متناسب با فرهنگ و شرایط اجتماعی گوناگون تعریف می شود. پژوهش حاضر در صدد بررسی انسان شناختی مفهوم زیبایی صورت نزد جوانان 20 تا 30 ساله منطقه 15 شهر تهران است، برای دست یابی به این هدف ابتدا سیر تحول تاریخی زیبایی و سپس معنی آن در یک جغرافیای خاص مورد بررسی قرار گرفته است. پژوهشگر به مهم ترین نظریه های شناخت بدن به مثابه امری فرهنگی در حوزه انسان شناسی و ...

مقدمه و اهداف به منظور تطابق و هماهنگ بین انسان ابزار و محیط کارایجاد بانک اطلاعات آنتروپومتری بسیار لازم می باشد. امروزه آنتروپومتری در طراحی صنعتی نقش بسزایی دارد. این اطلاعات می بایست به طور منظم جمع آوری شود . هدف از این مطالعه تعیین نسبت طول استخوان کلاویکل (ترقوه) به قد بر حسب جنس در افراد بالغ بین 30-20 سال شهر کرمان می باشد. مواد و روش ها محدوده سنی افراد مورد مطالعه 30-20 سال می باش...

food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...

over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...

in this thesis, we exploit a simple and suitable method for immobilization of copper(ii) complex of 4?-phenyl-terpyridine on activated multi-walled carbon nanotubes [amwcnts-o-cu(ii)-phtpy]. this nanostructure was characterized by various physico-chemical techniques. to ensure the efficiency and fidelity of copper species, the implementation of three-component strategies in click-chemistry all...

based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...