نتایج جستجو برای: multigraded class

تعداد نتایج: 399507  

Journal: :iranian journal of toxicology 0
سپیده کمال بیک sepideh kamalbeik department of microbiology, islamic azad university fars science and research branch, shiraz, iran. مهران کوچک mehran kouchek department of icu of imam hossein hospital, shahid beheshti university of medical sciences, tehran, iran. مجید باصری صالحی majid baseri salehi department of microbiology, islamic azad university fars science and research branch, shiraz, iran. فاطمه فلاح fatemeh fallah phd of bacteriology, pediatric infections research center, mofid hospital, shahid beheshti university of medical sciences, tehran, iran. محمدعلی ملکان mohammad ali malekan phd of bacteriology, pediatric infections research center, mofid hospital, shahid beheshti university of medical sciences, tehran, iran. هاله طالایی haleh talaie proffesor of toxicological research center, loghman hakim hospital, shahid beheshti university of medical sciences, tehran, iran.

background: acinetobacter baumannii is an important opportunistic pathogen which causes complications in hospitalized patients, especially those in icu. the aim of this study was to determine the frequency of class 1 and 2 integrons in multi-drug resistance a. baumannii and to investigate the association between the presence of integrons and antibiotic resistance patterns. methods: a total of 4...

Journal: :journal of studies in learning and teaching english 0
fatemeh barzegar shiraz azad university ghaffar tajalli shiraz azad university

this study investigated language learning styles of iranian efl learners and their class achievement. to this end, sixty female ad- vanced learners of instruction and different ages (15-30), studying at a language institute in shiraz were asked to take part in the study. a 30- item language learning styles questionnaire developed by reid (1987) was employed to elicit information for the study. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم انسانی 1390

the main purpose of this study was to investigate any relationship between high school efl teachers metaphorical understandings of their role in class and their self-efficacy beliefs. teachers metaphors were elicited through two different prompts: one picturing what they believed a language teacher should be like in class, and the other demonstrating what they are actually like in class; such...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1376

in this thesis our aim is to construct vector field in r3 for which the corresponding one-dimensional maps have certain discontinuities. two kinds of vector fields are considered, the first the lorenz vector field, and the second originally introced here. the latter have chaotic behavior and motivate a class of one-parameter families of maps which have positive lyapunov exponents for an open in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

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...

2009
Ezra Miller

Schubert polynomials, which a priori represent cohomology classes of Schubert varieties in the flag manifold, also represent torus-equivariant cohomology classes of certain determinantal loci in the vector space of n×n complex matrices. Our central result is that the minors defining these “matrix Schubert varieties” are Gröbner bases for any antidiagonal term order. The Schubert polynomials are...

2008
Ezra Miller

Schubert polynomials, which a priori represent cohomology classes of Schubert varieties in the flag manifold, also represent torus-equivariant cohomology classes of certain determinantal loci in the vector space of n×n complex matrices. Our central result is that the minors defining these “matrix Schubert varieties” are Gröbner bases for any antidiagonal term order. The Schubert polynomials are...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده ادبیات و علوم انسانی 1387

چکیده ندارد.

Journal: :iranian journal of applied language studies 2011
nasser rashidi zohreh vahedi

the extensive research done on the interrelationship between different social factors such as social class, gender and age and different linguistic variables has shown that these factors have important effects on the way language is used. among these factors a special importance can be placed on age due to the role it plays in revealing different patterns of language use, such as the age-gradin...

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