objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

In this paper, the author presents the significance of denomination as well as the point that, name must contain the main functions of the scientific field and be of consensus. Name of a major indicates the unity of its subject, such that if the major’s components are alongside each other as integration rather than annexation, they exhibit a single identity. In its new definition, librarianship...

Introduction: In the present era, information is the main factor; base of economical and social development of countries plays an important role in the field of human activities, innovation and development. This study has been done with the purpose to investigate the relationship between IT adoption with organizational innovation and professional development of Urmia employees. Method: Th...

the effect of learning strategies on the speaking ability of iranian students in the context of language institutes abstract language learning strategies are of the most important factors that help language learners to learn a foreign language and how they can deal with the four language skills specifically speaking skill effectively. acknowledging the great impact of learning strategies...

this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...

investigation the archetype of mother can help the reader to understand poes works, especially his fiction, better, if not fully. motivated by internal and external drives to get into the universe in its manifold form poe was impelled to art and, from various modes of art, to symbolism. how much was poe successful to produce works of art has been a matter of dispute among critics. however, ther...

seismic retrofit strategies have been developed in the past few decades following the introduction of new seismic provisions and the availability of advanced materials and methods. it can be observed that new approaches to deal with more lateral forces are more innovative and more energy absorbent. in line with this, there is a growing trend toward the use of steel shear walls as a system with ...

terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...

The purpose of this study is to provide a strategic model of human resources with an interpretive structure approach in the Petrochemical Research and Technology Company in order to increase productivity and reduce costs. The present research has been descriptive, survey and applied in terms of purpose. By reviewing the research literature, eight factors were identified and then an interpretive...