نتایج جستجو برای: f and jafari
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abstract the variables affecting the nature of reading comprehension can be classified into two general categories: reader’s variables, and text variables (alderson, 2000). despite the wave of research on vocabulary knowledge as reader’s variable, the role of this knowledge in c-test as a text-dependent test and its interaction with lexical cohesion of the test as a text feature has remained a...
Background and Objectives: In the past decades, due to population growth and industrial activities, important water resources around the world have been exposed to domestic, industrial and agricultural wastewater. One of the most important wastewater pollutants is linear alkylbenzene sulphonates (LASs). This study aimed to investigate the concentration and health risk assessment of these compou...
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
according to previous studies, the genus rheum in iran includes four species: r. turkestanicum janisch., r. persicum losinsk., r. ribes l. and r. khorasanicum baradaran & jafari. during the long-term study, based on field and many herbaria specimens, three new species including r. iranshahrii taheri & assadi sp. nov., r. kordestanicum taheri & assadi sp. nov. and r. austro-iranicum taheri & ass...
Mehdi Jafari, Arash Rashidian, Farid Abolhasani, Kazem Mohammad, Shahram Yazdani, Patricia Parkerton, Masud Yunesian, Feizollah Akbari and Mohammad Arab* Department of Health Services Management, School of Health Services Management, Iran University of Medical Sciences, Tehran, Iran Department of Health Management and Economics, School of Public Health, Tehran University of Medical Sciences, Te...
The particle-hole continuum in the Dirac sea of graphene has a unique window underneath, which in principle leaves room for bound state formation in the triplet particle-hole channel (Baskaran and Jafari 2002 Phys. Rev. Lett. 89 016402). In this work, we construct appropriate triplet particle-hole operators and, using a repulsive Hubbard-type effective interaction, we employ equations of motio...
Employees are expected to perform specific roles in an organization as specified by their job descriptions and superior’s expectations. Bidarian Jafari (2012) found that employees play important role activities the organization, such social interaction with colleagues leaders conduct activities. These extra-role behavior’ behaviors termed Organizational Citizenship Behavior (OCB). Although many...
Zhouchao Wei∗ School of Mathematics and Physics, China University of Geosciences, Wuhan 430074, P. R. China Division of Dynamics, Technical University of Lodz, Lodz, Stefanowskiego 1/15, 90-924, Poland College of Mechanical Engineering, Beijing University of Technology, Beijing 100124, P. R. China Mathematical Institute, University of Oxford, Oxford, OX2 6GG, England [email protected]...
recently, the algebraic theory of mv -algebras is intensively studied. in this paper, we extend the concept of derivation of $mv$-algebras and we give someillustrative examples. moreover, as a generalization of derivations of $mv$ -algebraswe introduce the notion of $f$-derivations and $(f; g)$-derivations of $mv$-algebras.also, we investigate some properties of them.
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