نتایج جستجو برای: in silico study

تعداد نتایج: 17492600  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1382

‏‎in this research,the authors conducted a study comparing two groups of male and female english language learners studying in a elt institute,in terms of their performance on their achievement test including listening comprehension,vocabulary,grammar,and reading comprehension and found no significant difference between the group except in listening comprehension part of the test in which the f...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1391

the present study aimed to investigate the possible effects of focused highlighted error feedback on grammatical accuracy of writing among iranian intermediate efl learners. after selecting 52 homogenous participants from among 70 university students attending azad university of rasht and randomly dividing them into two intact groups of 26 students, the researcher exposed the participants of th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

there is less published research about how teachers in efl contexts respond to students who are relatively less mature and less competent l2 writers. while writing researchers have examined various issues concerning peer and teacher response in writing-oriented classes, little research has centered on the effect of collaborative tasks particularly dictogloss on writing skills. output collaborat...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1391

the present study was conducted to investigate the effect of implicit focus on form through input flooding and the effect of noticing, explicit focus on form on linguistic accuracy. to fulfill the purpose of the study, 86 iranian pre-intermediate efl learners of one of the language institutes were chosen by means of administering ket as the homogeneity test. these learners were pretested throug...

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 ...

Journal: :iranian journal of basic medical sciences 0
najmeh ranji department of genetics, college of science, rasht branch, islamic azad university, rasht, iran majid sadeghizadeh department of genetics, school of biological sciences, tarbiat modares university, tehran, iran morteza karimipoor department of molecular medicine, biotechnology research center, pasteur institute of iran, tehran, iran mohammad ali shokrgozar national cell bank of iran, pasteur institute of iran, tehran, iran reza ebrahimzadeh-vesal department of medical genetics, faculty of medicine, tehran university of medical sciences, tehran, iran

objective(s): study of non-coding rnas is considerable to elucidate principal biological questions or design new therapeutic strategies. mirnas are a group of non-coding rnas that their functions in pi3k/akt signaling and apoptosis pathways after t cell activation is not entirely clear. herein, mirnas expression and their putative targets in the mentioned pathways were studied in the activated ...

Journal: :reports of biochemistry and molecular biology 0
mehrdad gholami department of microbiology, faculty of medicine, iran university of medical sciences, tehran, iran alireza salimi chirani tel: +98 2123872556; fax: +98 2123872556 mona moshiri department of pathobiology, division of microbiology, faculty of public health, tehran university of medical sciences, tehran, iran mansour sedighi department of microbiology, faculty of medicine, iran university of medical sciences, tehran, iran abazar pournajaf department of microbiology, faculty of medicine, iran university of medical sciences, tehran, iran masoud tohidfar agricultural biotechnology research institute of iran, tehran, iran

background: neisseria meningitidis, a life-threatening human pathogen with the potential to cause large epidemics, can be isolated from the nasopharynx of 5–15% of adults. the aim of the current study was to evaluate biophysical and biochemical properties and immunological aspects of chimeric acyl-carrier protein-macrophage infectivity potentiator protein-type iv pilus biogenesis protein antige...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

abstract pragmatics is the study of communicative action in its sociocultural context. communicative action includes not only using speech acts (such as apologizing, complaining, complimenting, and requesting), but also engaging in different types of discourse and participating in speech events of varying length and complexity. the present study aimed to investigate the assessment of pragm...

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

the aim of conducting this study was to investigate the foreign language learning needs of undergraduate economics students and business management students in faculties of social sciences of alzahra and azad naragh university. in the study, which was designed on the basis of a qualitative-quantitative basis using interviews and questionnaires, 146 female undergraduate business management as we...

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