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تعداد نتایج: 1967447 فیلتر نتایج به سال:
Rhipidocotyle pentagonum (Ozaki, 1924) is reported for the first time in South America parasitizing Auxis thazard and in a new host Katsuwonus pelamis. Tergestia laticollis (Rudolphi, 1819) is reported for the first time in South America and in Thunnus albacares, representing a new host record. Copiatestes filiferus (Leuckart, in Sars, 1885) is recorded for the first time in Brazil and in Thunn...
introduction. the clinical education is one of the most perspectives of nursing education. fifty percent of the time spent in nursing school is for education in clinical field. clinical education is “heart” instruction in nursing profession. methods. from each clinical group of students, twenty percent were randomly selected, then the students were asked randomly (one day per week) to record th...
during 2010–2011, a faunistic study of the family syrphidae was carried out in torbat heydarie, roshtkhar and khaf (razavi khorasan province), northeastern iran. among the collected specimens, we found two species, paragus gussakovskii bańkowska and platycheirus immarginatus zetterstedt which are new records for the fauna of iran.
this paper provides faunistic data for 27 species of cryptinae in iran, of which 12 species and three genera, buathra cameron, myrmeleonostenus uchida and glyphicnemis foerster, are newly recorded from iran. previously recorded species with related references are also included. distributional map is given for all species of cryptinae. this study increases the number of known species of iranian ...
introduction: efficient use of information systems in provision of health services is very important for achieving efficiency, effectiveness and service quality. in this study the various aspects of clinical information systems implementation and estimate of one of main users' knowledge about these systems in hospitals was investigated. methods: this study was conducted in two-stages: in the fi...
among the recently collected chalcidoid wasps in a rice field of eastern guilan province (coast of caspian sea), in july 2012, there was a specimen of pteromalidae belonging to the genus callitula. it was identified as callitula ferrierei (bouček, 1964). both genus and species are new record for iranian fauna. morphological characters and geographical distribution of the newly recorded species ...
cousinia glochidiata (sect. pseudactinia) and c. albiflora (bornm. & sint.) bornm. (sect. stenocephalae), two narrow endemics to kopetdagh mountains, are newly recorded for the flora of iran from razavi and north khorassan provinces near the borders of turkmenistan. the presence of c. apiculata tscherneva in iran is confirmed. new localities and additional notes on the distribution and cons...
بر اساس نمونه هایی از استان کردستان، silene odontopetala subsp. congesta به عنوان گزارش جدیدی برای فلور ایران اعلام می گردد. شرح زیر گونه، تصویر و نقشه انتشار گونه ارائه می شود.
به منظور تدوین فلور گیاهان آبزی ایران تیره های najadaceae و lemnaceae مطالعه گردید. در بین نمونه ها گونه های najas gracillima از استان خوزستان و lemna perpusilla از استان فارس برای اولین بار جمع آوری و شناسایی شد. در این مقاله گونه های مذکور از ایران معرفی و کلید شناسایی جنس های najas و lemna برای گونه های شناخته شده از ایران ارائه می شود.
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