the effect of the presence of perforations on he stresses of a plate is a problem which is of great interest in structural design and in the mathemattical theory of elasticity. among the many hole patterns that are likely to require consideration is the ring of equally spaced circular holes. the present worke investigates stress & strain analysis of a thin isotropic circular plate containing a ...

Modified index of orthodontic treatment needs (IOTN) assessment by senior dental students Dr. AR. Akbarzadeh Bagheban*-Dr. SMR. Safavi** -Dr. M. Nouri*** -Dr. L. Eslamian** -Dr. GR. Babaei**** - Dr. A. Kazemnejad**** - Dr. S. Faghihzadeh**** *Assistant Professor of Biostatistics Dept., Shaheed Beheshti University of Medical Sciences. **Associate Professor of Orthodontics Dept., Faculty of Denti...

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

Evaluation of stress distribution in endodontically treated teeth, restored with post and crown by finite element analysis Dr. H. Kermanshah * - Dr. M. Mirzaee* - Dr. L. Ranjbar Omrani** *- Assistant Professor of Operative Dentistry Dept. - Faculty of Dentistry–Tehran University of Medical Sciences. **- Operative Dentistry Specialist. Background and Aim: Proper restoration of root canal treated...

in chapter 1, charactrizations of fragmentability, which are obtained by namioka (37), ribarska (45) and kenderov-moors (32), are given. also the connection between fragmentability and its variants and other topics in banach spaces such as analytic space, the radone-nikodym property, differentiability of convex functions, kadec renorming are discussed. in chapter 2, we use game characterization...

the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...

building on previous studies on intellectual features and learners’ grammar learning, the present study aimed at investigating whether intelligence criterion had any impact on efl learners’ english grammar learning across two intelligence levels. in the current study, the participants were divided into two experimental and control groups by administration of raven i.q. test. this led to the for...