نتایج جستجو برای: diffusion study

تعداد نتایج: 4088996  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1391

this study sought to examine the effect of cooperative game on iranian students achievements in english alphabet learning. cooperative games are games, in which players or teams work together towards a common goal without defeating someone. the methodology used in this study was experimental. the population of the study was 60 female students from the grade one in secondary school in tabriz, ir...

Journal: :the iranian journal of pharmaceutical research 0
hossein khalili department of clinical pharmacy, faculty of pharmacy, tehran university of medical sciences, tehran, iran. rasool soltani department of clinical pharmacy, faculty of pharmacy, isfahan university of medical sciences, isfahan, iran. sorrosh negahban microbiology laboratory, imam khomeini hospital, tehran, iran. alireza abdollahi department of pathology, faculty of medicine, tehran university of medical sciences, tehran, iran. keirollah gholami department of clinical pharmacy, faculty of pharmacy, tehran university of medical sciences, tehran, iran.

disk diffusion test is the usual applicable method for assessing the antimicrobial susceptibility pattern in most institutions and hospitals. the aim of this study was to determine the reliability of resistant-reported results of disk diffusion test for 6 routinely used antibiotics against gram-positive microorganisms of nosocomial origin, using e-test method.    over a 1-year period, clinical ...

2013
Fang-Cheng Yeh Wen-Yih Isaac Tseng

Fiber orientation is the key information in diffusion tractography. Several deconvolution methods have been proposed to obtain fiber orientations by estimating a fiber orientation distribution function (ODF). However, the L 2 regularization used in deconvolution often leads to false fibers that compromise the specificity of the results. To address this problem, we propose a method called diffus...

Journal: :jentashapir journal of health research 0
batool sadeghi nejad department of medical mycology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran maryam erfani nejad department of medical mycology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran sedigheh yusef naanaie agricultural and natural resources center, ahvaz, ir iran majid zarrin department of medical mycology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of medical mycology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6113330074, fax: +98-6113332036

results the minimal inhibitory concentration (mics) values of myrtus communis leaves extract ranged 0.625-5.0 µg/µl and 5-40 µg/µl against tested candida spp. and aspergillus spp., respectively. conclusions results revealed that the ethanolic extract of myrtus communis leaves have antifungal potency against both pathogenic tested fungi, and it can be used as a natural antifungal agent. material...

Journal: :مهندسی متالورژی و مواد 0
نگار عباسی اول خدیجه فرجام حسین آقاجانی

in this study, the effect of grain size on nitrogen diffusion into ck45 has been investigated. in order to obtain different grain sizes, samples were annealed and normalized at various temperatures and durations.the grain size was determined with clemex vision software. then, the specimens were exposed to dc plasma nitriding treatment and again analyzed by optical microscope ,scanning electron ...

پایان نامه :دانشگاه امام رضا علیه اسلام - دانشکده ادبیات و زبانهای خارجی 1393

abstract this mixed method study examines whether there is any relationship among the variables of the study (job satisfaction, social capital and motivation). the researcher considered job satisfaction and social capital as independent variables; motivation is the dependent variable of the study. the researcher applied a questionnaire to assess each variable. to measure efl teachers’ job sati...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...

پایان نامه :موسسه آموزش عالی غیردولتی رودکی تنکابن - دانشکده ادبیات و زبانهای خارجی 1393

abstract this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...

2008
Hilary Berger Paul Beynon-Davies

This paper builds upon the previous research of Beynon-Davies and Williams (2003) and their knowledge-based model of the diffusion of Information Systems Development Methods (ISDMs). Through the lens of the implementation of a UK government IS development project we consider how a Rapid Application Development approach was unbundled and contextualized and highlight the problems experienced. We ...

2006
Susumu Mori

Introduction MRI has been a powerful tool to map anatomy and function of human brains. To assign functions of the cortex, fMRI has been playing important roles. Classically, anatomy – function correlation studies had relied on postmortem examination of patients with localized lesions. Now we have a tool to non-invasively investigate functional centers of the brain. Compared to the cortical mapp...

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