نتایج جستجو برای: up to 5242

تعداد نتایج: 10703984  

Journal: :Journal of Cell Biology 2008

Journal: :Fundamenta Informaticae 1993

Journal: :Evidence-Based Spine-Care Journal 2011

Journal: :Journal of Combinatorics 2016

2007

During 1970. field corn produced in southern and midwestern United States was heavily infected with Helminthosporium maydis )iisikado and :v1iyake race T. the causative agent of southern corn leaf blight. The main secondary im'aders of the blighted corn were Trichoderma. Fusarium. and A.lternaria i.J. .J. Ellis. personal communication J. Several toxic compounds have been isolated from Trichoder...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...

2017
Ailin Song Farong Liu Lupeng Wu Xiaoying Si Yanming Zhou

BACKGROUND The impact of histopathologic tumor invasion of the superior mesenteric vein (SMV)/portal vein (PV) on prognosis in patients with pancreatic ductal adenocarcinoma (PDAC) after pancreatectomy remains controversial. A meta-analysis was performed to assess this issue. RESULTS Eighteen observational studies comprising 5242 patients were eligible, of whom 2199 (41.9%) patients received ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

learning-oriented assessment seeks to emphasise that a fundamental purpose of assessment should be to promote learning. it mirrors formative assessment and assessment for learning processes. it can be defined as actions undertaken by teachers and / or students, which provide feedback for the improvement of teaching and learning. it also contrasts with equally important measurement-focused appro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

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