‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

educational researchers have provided evidence that teachers’ emotional intelligence has strong effects on various aspects of teaching and learning. yet, in the field of teaching english to speakers of other languages (tesol), inquiry into teachers’ emotional intelligence is nearly limited. given its documented powerful impact on teaching practices and student learning, it is critical to pursue...

Objectives: Hypertension is one of the most common chronic diseases in old age. The self-care and quality of life of older people can improved by appropriate interventions. This study aims to assess the effects of an intervention based on 5A model on self-care and quality of life in the elderly with hypertension.. Methods & Materials: This quasi-experimental study was conducted on 80 older peo...

In this study the impact of the Islamic revolution on freedom as an important achievement, and the changes and levels of independence in the growing process of the revolution. In a negative approach, the research proposes the hypothesis that the Islamic Revolution has opposed the Westphalian state-based independence and developed Islamic teaching-based independence based. The present study, wit...

the main purpose of the present study was to investigate the relationship between listening proficiency and metacognitive listening strategies awareness among low, mid, and highly self-regulated students. three hundred and seventy one efl students participated in this study (all grade 3 and 4 high-school students who were studying in khansar in academic year 1391-92). to gather the data, three ...