نتایج جستجو برای: 52 isolates from 24 host plants were identified through morphological methods and by species

تعداد نتایج: 18804753  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات و زبانهای خارجی 1393

rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1386

the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...

Journal: :iranian journal of public health 0
f zaini a kanani m falahati r fateh m salimi-asl n saemi

background: the aim of this study was identification of the epidemiology of prototheca zopfii species from the milk samples of dairy cattle in isfahan, central iran. methods: milk samples were obtained from 230 dairy cattle, 130 with and 100 without mastitis, in isfahan. the samples were cultured in prototheca isolation medium (pim) and sabouraud's dextrose agar. all p. zopfii isolates were ide...

Journal: Mycologia Iranica 2016

In order to determine the fumonisin producingisolates of the Fusarium fujikuroi species complex (FFSC), associated with infected spikes, and ear rot of grass plants, we examined 78 samples collected from Kermanshah province, Iran. Based on morphological characters, twenty two isolates assigned to the FFSC and were identified as F. proliferatum (ten isolates), F. verticillioides (seven isolates)...

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

esl/efl books play a crucial role in shaping language learners worldview of gender roles in society. the present study investigated the status of sexism in two sets of efl textbooks, one developed by non-native iranian authors (ili series) and the other by native authors (top notch series). first, two books from each series was selected randomly. then, a quantitative analysis was carried out wi...

Journal: :iranian journal of science and technology (sciences) 2005
z. banihashemi

during 2000-2001, soil pythium species were studied in fars province. soil samples werecollected from various parts of the province (abadeh, bajgah, bayza, borazjan, darab, estahban, fasa,khafr, sepidan, shiraz, moharloo, and zarghan). isolates were recovered from soil by baiting. specieswere identified based on morphological characters of sexual and asexual organs, growth rate at differenttemp...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده ادبیات، زبانهای خارجی و تاریخ 1389

abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...

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

the present study sought to examine whether a task-based approach could have an impact on raising awareness of collocations. moreover, it sought to investigate the facilitative role of consciousness-raising tasks of collocations in the communicative instances of use. to this end, 68 intermediate learners of english were selected via a placement test. the participants were taught with classroom ...

Journal: رستنیها 2014
Heshmatollah Rahimian Mahdi Arzanlou Mohammad Ali Tajick, Zahra Dehbovid

In order to determine soil inhabitant fungi of Mazandaran and Golestan provinces (N Iran), some soil samples from arable and non-arable areas were collected. After the isolation, purification and identification of fungi, 61 isolates, belonging to Absidia, Actinomucor, Cunninghamella, Lichtheimia, Mucor, Syncephalastrum and Rhizopus were identified. After DNA extraction, all genera were subjecte...

Journal: :jundishapur journal of microbiology 0
samia siddique department of chemistry, government college university, lahore, pakistan; department of chemistry, government college university lahore, pakistan. tel/ fax: +92-3334101261 quratulain syed food and biotechnology research center, pakistan council of scientific and industrial research laboratories complex ferozepur, lahore, pakistan ahmad adnan department of chemistry, government college university, lahore, pakistan fahim ashraf qureshi office of research, innovation and commercialization, comsats institute of information and technology, islamabad, pakistan

conclusions from the results, it was concluded that agricultural lands around pakistan council of scientific and industrial research (pcsir) campus lahore were rich sources of industrially important streptomyces, especially s. avermitilis. results the 10 selected isolates were identified as the avermectin-producing strain by fermentation and characterized on isp2 medium for aerial and reverse s...

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