نتایج جستجو برای: more also

تعداد نتایج: 3746371  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2007
Daniel I Bolnick Richard Svanbäck Márcio S Araújo Lennart Persson

There is extensive evidence that some species of ecological generalists, which use a wide diversity of resources, are in fact heterogeneous collections of relatively specialized individuals. This within-population variation, or "individual specialization," is a key requirement for frequency-dependent interactions that may drive a variety of types of evolutionary diversification and may influenc...

2009
Henry T. Robertson David B. Allison

CONTEXT In randomized controlled trials (RCTs), some drugs, including CB1 antagonists for obesity treatment, have been shown to cause increased suicidal ideation. A key question is whether drugs that increase or are associated with increased suicidal ideations are also associated with suicidal behavior, or whether drug-induced suicidal ideations are unlinked epiphenomena that do not presage the...

پایان نامه :دانشگاه رازی - کرمانشاه - دانشکده ادبیات و علوم انسانی 1393

in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

Journal: :The Yale Journal of Biology and Medicine 1939
Edward W. Dempsey

for the first time in English an authentic treatise on this subject. Such a work could only be the product of a master of his subject and Palmer Findley has long been recognized as a leader in American Obstetrics. Bearing in mind that "History is the essence of innumerable biographies" the author has used this approach to the subject with great effectiveness. The great personalities of obstetri...

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