the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

Introduction: Clerkship in field is one of the important educational programs in the field of laboratory sciences and providing opportunities for students to learn in clerkship, improved the quality of health services. The aim of this study was to design a structured microbiology clerkship program from the perspective of case based discussion method among laboratory science students. Methods: ...

One of the main problems of field effect diode (FED) is the increasing of its turn-off current as the channel length decreases. Thus, in this paper, a new structure is presented which decreases the injection of extra carriers to the channel and also increases the control of the gate over the channel by reducing the portion of channel shared with the source and drain regions and without the need...

The purpose of this study was to understand and explain the competencies affecting the performance of university departments in the age of networking, which was done from the perspective of department chairs and with an interdisciplinary approach in the field of educational management and communication sciences. The research method was qualitative and a case study type. The department chairs of...

  Background & Aim: Governing organizational culture in hospitals can affect patients’ safety through establishment of behavioral norms among nurses. This study aimed to determine the relationship between nurses’ perception of organizational culture and their performance about patients’ safety .   Methods & Materials: In this cross sectional, descriptive-correlation study, we used stratifie...

peace and national security protection and ironic solving of international conflicts become the preliminary foundation of the united nations charter and had been considered as the main responsibilities of the security council, after world war ii and the establishment of united nations organization. therefore, the security council enables to analyze every kind of conflicts and challenges which ...