arteriovenous fistula is considered as a prerequisite in patients with chronic renal failure undergoing hemodialysis. the purpose of this study was to compare the effectiveness and side effects if any of native vein and synthetic grafts in these patients. from april 2002 till july 2003, a total of 37 patients were referred to us for the utilization of these grafts. in 16 out of these patients w...

Speech produced in noise (Lombard speech) is more intelligible than speech quiet (plain speech). Previous research on the Lombard intelligibility benefit focused almost entirely how native speakers produce and perceive speech. In this study, we investigate size of both (American-English) non-native (native Dutch) English for listeners (Dutch Spanish). We used a glimpsing metric to measure energ...

background: leucocytozoonosis is a disease of birds caused by obligate intracellular protozoa of the genus leucocytozoon. we determined the prevalence of leucocytozoon spp. using light and transmis-sion electron microscopy in domestic birds in southwest of iran. methods: a total of 825 blood smears from 275 birds were examined for presence of infection. the structure morphology of leucocytozoon...

in order to perform breeding programs and improve production of native chickens, preserving genetic diversity in different areas of iran is important due to the reduced available population. genome sequencing is considered the most functional approach to determine the phylogeny relation between close populations. the aim of the present study was the evaluation of the phylogeny and genetic nucle...

in view of native/nonnative language teacher dichotomy, different characteristics have been assigned to these 2 groups. the dichotomy has been the source of different actions and measures to clarify the positive and negative points of being (non)native teachers. in recent years, many researchers have revisited this dichotomy. the challenge to the dichotomy can be a source of motivation to explo...

Dittrichia viscosa (L.) Greuter is a shrub native to the Mediterranean, however, declared as very invasive species in Australia and North America. Environmental (climatic) socio-economic (land abandonment) changes can trigger different adaptive mechanisms cause behavior, influencing invasion dynamics. Motivated by recently noticed change of D. behavior its Mediterranean habitat, we discuss prop...

In view of the paucity of evidence on teachers’ conceptions of teaching English an International Language (EIL), the present study used panel discussions to investigate the beliefs of 10 native and 10 non-native English-speaking teachers about their roles in teaching English in the EIL contexts and the perceptions of EIL. The findings revealed that some aspects of teachers’ beliefs about their ...

This study examined the contribution of both auditory and visual cues in native and non-native speech perception. Three groups of listeners, a group of native speakers of English and two groups of EFL learners (elementary and advanced), were tested on their perception of auditory-only, visual-only and audiovisual English stimuli. The audiovisual stimuli included a congruent (matched auditory-vi...