نتایج جستجو برای: specific for all pestiviruses based on 11 positive cases detected by rt

تعداد نتایج: 16175671  

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

although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...

شجاع, ذبیح الله, مختاری آزاد, طلعت, ساریجلو, محبوبه , ساریجلو, اکرم , شاه محمودی , شهره , طباطبایی, حمیده , فرخی , کبری , محمودی, محمود , ناطق, رخشنده ,

Background and Aim: Iran managed to eradicate the wild poliovirus in 2000. However, a large number of AFP cases are still detected each year because of close surveillance: there were 450 reported AFP cases in 1382. The expected number of cases for the year 1382 in the province of West Azarbayjan (with an under-15 population of 1100000) was 11, while the observed number was more than 6 times gre...

Journal: :Journal of clinical microbiology 1993
B Wirz J D Tratschin H K Müller D B Mitchell

Reverse transcription coupled with the polymerase chain reaction (RT-PCR) was used for the detection and differentiation of pestiviruses. For this purpose, one primer pair was selected from a highly conserved region of the genome of pestiviruses. Using these primers (PEST 1-PEST 2), DNA fragments of between 72 and 74 bp could be amplified from all pestivirus isolates tested. In order to differe...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1370

the subjects of the study are only the tefl teachers and students at gilan university. to obtain the desired data, a questionnaire which was based on the theories and disecussions gathered, was used as the main data gathering instrument. to determine the degree of relationship between variables, covariance and pearson product moment correlation coefficient were the formulas applied. the data we...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

armenias geopolitics and its historical experience have had a determining impact on the character of its foreign policy .present-day armenia is a small, landlocked country with _11,620 square miles area armenias landlocked nature makes it dependent on the benevolence of its neighbors for access to the outside world a fact that gives it a sense of isolation and vulnerability. as it was indic...

Journal: :jundishapur journal of microbiology 0
mojtaba rasti department of medical _isooolow{loohoolmofiomnmoiom~a{h~u~dkwneywzau{vu~{u{sovymofioeliscmecmence, ir iran +98-6113354389, [email protected]; research institute for infectious diseases of digestive system, ahvaz jundishapur university of medical science, ir iran ali reza samarbaf-zadeh department of medical _isooolow{loohoolmofiomnmoiom~a{h~u~dkwneywzau{vu~{u{sovymofioeliscmecmence, ir iran +98-6113354389, [email protected]; infectious and tropical disease research center, ahvaz jundishapur university of medical science, ir iran; department of medical _isooolow{loohoolmofiomnmoiom~a{h~u~dkwneywzau{vu~{u{sovymofioeliscmecmence, ir iran +98-6113354389, [email protected] manoochehr makvandi department of medical _isooolow{loohoolmofiomnmoiom~a{h~u~dkwneywzau{vu~{u{sovymofioeliscmecmence, ir iran +98-6113354389, [email protected]; research institute for infectious diseases of digestive system, ahvaz jundishapur university of medical science, ir iran; infectious and tropical disease research center, ahvaz jundishapur university of medical science, ir iran niloofar neisi department of medical _isooolow{loohoolmofiomnmoiom~a{h~u~dkwneywzau{vu~{u{sovymofioeliscmecmence, ir iran +98-6113354389, [email protected]; research institute for infectious diseases of digestive system, ahvaz jundishapur university of medical science, ir iran ahmad shamsizadeh department of pediatrics, ahvaz aboozar hospital, ahvaz jundishapur university of medical science, ir iran

background human enteroviruses are members of picornaviridae family; they are non-enveloped, icosahedral viruses with positive rna as genome. echovirus 30 is an important member of enteroviruses that is recognized in outbreaks of enterovirus meningitis. objectives the aim of this study was to determine relative frequency of echovirus 30 as an important agent of aseptic meningitis among children...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی صنایع 1387

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

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

‏‎despite the different criticisms on contrastive analysis it has been proved that the results of it(when processed) can be useful in a tefl environment, specially at the level of phonology.this study is an attempt to compare and contrast the sound systems of kurdish and english for pedagogical aims.the consonants,vowels,stress and intonation of the two languages are described by the same model...

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

abstract the present study investigated the effects of task types and involvement load hypothesis on incidental learning of 10 target words (tws) in junior high schools (jhss) in givi, ardabil. the tasks deployed in this study were two input-based tasks (reading plus dictionary use with an involvement index of 3, and reading plus gap-fill task with an involvement index of 2), and one output-ba...

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