In this paper, the phononic structure and Enthalpy of CaB2 compound in simple hexagonal and orthorhombic phase have been investigated. The calculations were performed using the pseudo-potential method in the framework of the density functional theory and using the Quantum-Espresso code. Using the group theory and the characteristic table of the composition point group, the phonon modes were ide...

 This study was conducted to identify the intertidal crab species and their temporal distribution caught by set net in northwest of the Qeshm Island. A total of 120 crabs were collected monthly from February 2015 to January 2016. The specimens were collected by hand and then fixed in formaldehyde 10%, transported to the laboratory and then identified based on their morphological characteristics...

cognitive studies of translation process have recently been awarded a great deal of attention. there exists a psychological angle to almost all translation activities. the present study, thus, deals with analysing the relationships between iranian prospective translators tolerance for ambiguity (ta) and their willingness to translate (wtt). the research was conducted as a mixed methods study, d...

with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...

Iran has high vegetation diversity due to different climates and ecological conditions. Golestan province is one of the most diverse vegetation provinces in the country. Among the plant species of this province, the Juniper genus, with the presence of 6 native species, is one of the few coniferous species which is an important part of the under story vegetation flora of the area. Chahar Bagh Ju...

for any educational program to be successful, many factors work hand in hand. based on pervious efl studies, teachers and learners are the keys to gain achievement. granted the fact that explicit and implicit practice plays a key role in education, knowledge of it can help teachers facilitate students’ vocabulary learning. this study investigated to determine the contribution of explicit and i...

Background and purpose: Onychomycosis is a nail fungal infection caused by various species of dermatophytes, yeasts and non-dermatophytic molds and represents about 30% of cutaneous mycotic infections. The goal of this study was to investigate the frequency of onychomycosis and its associated factors in patients referred to Boali Sina Hospital and Toba dermatology outpatient clinics, Sari. ...