Background and Aim: Vitamin C has proved to be an influential factor in wound repair and previous studies showed that it can accelerate the repair of surgical incisions and bed wounds and cornea burns. In this study the effect of vitamin C in the success of tympanic graft repair applying underlay technique and by means of tympanic membrane muscle was evaluated. Materials and Methods: In this c...

‏‎this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...

‏‎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...

two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...

abstract previous studies on willingness to communicate (wtc) have shown the influence of many individual or situational factors on students’ tendency to engage in classroom communication, in which wtc has been viewed either at the trait-level or situational level. however, due to the complexity of the notion of willingness to communicate, the present study suggests that these two strands are ...

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Tomato is one of the most important horticultural crops that is corruptible and susceptible to microbial contamination. In this study, the effect of UV-C at five different irradiation intensities (0, 3, 6, 9 and 12 kJ/m2) on rot control and postharvest quality of greenhouse tomato was investigated. Tomato (cv. Newton) fruits were harvested from a commercial greenhouse at vine-ripe stage and aft...