As the variety and sophistication of educational technologies continues to grow, the need to know more about the incentives and obstacles to technology adoption becomes more important. The purpose of this study was to investigate the usefulness of an interactive communications network (ICN) for agricultural education at the secondary level. The ICN is a state-wide two-way full-motion fiber opti...

a bstrac t   background: organizational and structural obstacles are a group of major obstacles in achievement of appropriate family planning counseling. detection of these obstacles from the viewpoint of managers, staffs and clients who are key members in health services providing system is a major step toward appropriate planning to modify or delete this group of obstacles. the present study ...

G-protein coupled receptors (GPCRs) are transmembrane proteins which via G-proteins initiate some of the important signaling pathways in a cell and are involved in various physiological processes. Thus, computational prediction and classification of GPCRs can supply significant information for the development of novel drugs in pharmaceutical industry. In this paper, a nearest neighbor method ha...

There is growing concern about the long delays that occur before doctors implement the findings from new research. It is also of concern that the clinical practice of different doctors can vary widely.' Consequently the problem of changing the behaviour of doctors to comply with recommendations of new research or guidelines is one of considerable interest. Several methods have been used to chan...

The promotion of mother tongue language has become a pressing concern for many countries and their educational institutions. This study aims to identify the requirements obstacles enhancing proficiency among higher education students, as perceived by faculty members. adopted descriptive approach administered questionnaire population.The findings indicate that activate role institutions in all m...

in spite of 60 years of past experience, agricultural extension in iran still faces problems, obstacles and limitations. researchers believe that during these years, the service available to farmers has been neither successful nor satisfactory. with respect to the presently available problems and limitations, a thorough identification and analysis of these issues is necessary as well as inevita...