نتایج جستجو برای: and convectional activity

تعداد نتایج: 16955589  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1391

this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1390

monumental changes occurring on a daily basis have altered the world into a global village of expanding technology and shrinking geography in which preparing language learners for intercultural communication seems to be a sine qua non for modern language education. employing a cross-sectional design in its first phase, this study investigated the intercultural sensitivity and language proficien...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1388

abstract : the purpose of this research is to study a bout multiple manifestations of poem music in hakim sanaee ghaznavi poems yherefore the first seetion of this book study and describes the complete works of this research about poem music love poem sanaee poem and this known and famous poets life and works the second section explained the external music of sanaee poems that for better u...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حقوق 1389

abstract the third millennium has started, but the world is facing with serious challenges in achieving international security and peace. various human rights violations have lead the states to find means to protect human rights. also article 55 of the united nations charter introduces the respect to human rights and fundamental freedom as the most suitable ways to realize peace and security. ...

Journal: :آب و خاک 0
موسوی موسوی رئیسی رئیسی

abstract earthworms are an important component of soil fauna, and play a crucial role in the improvement of soil properties. however, very little is known of the interactive influence of earthworms and organic materials on soil enzyme activities, particularly in arid and semi-arid soils. the low organic matter content and the significant role of earthworms in stimulating microbiological and bio...

Journal: :international journal of occupational and environment medicine 0
mi white canadian institute for the relief of pain and disability, vancouver, canada, and department of family practice, university of british columbia, vancouver, canada ce dionne département de réadaptation, faculté de médecine, université laval, québec city, canada o wärje canadian institute for the relief of pain and disability, vancouver, canada m koehoorn school of population and public health, university of british columbia, vancouver, canada sl wagner school of health sciences, university of northern british columbia, prince george, canada iz schultz department of educational and counselling psychology and special education, university of british columbia, vancouver, canada

background: the prevention of work disability is beneficial to employees and employers, and mitigates unnecessary societal costs associated with social welfare. many service providers and employers have initiated workplace interventions designed to reduce unnecessary work disability. objective: to conduct a best-evidence synthesis of systematic reviews on workplace interventions that address ph...

Journal: :jundishapur journal of natural pharmaceutical products 0
yasmin shakiba division of microbiology and virology, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, ir iran seyedeh elham rezatofighi division of microbiology and virology, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, ir iran; division of microbiology and virology, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, ir iran. tel/fax: +98-6113331045 seyyed mansour seyyed nejad division of plant physiology, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, ir iran mohammad roayaei ardakani division of microbiology and virology, department of biology, faculty of science, shahid chamran university of ahvaz, ahvaz, ir iran

conclusions the present investigation supports the use of the methanolic extract of a. maurorum as an antiviral drug in folk and modern medicine. this activity may justify its use as a source of natural compounds to control fmdv in infected animals. background foot and mouth disease (fmd) is an infectious disease of cloven-hoofed animals that has adverse economic impacts. given the prevalence o...

Journal: :iranian journal of radiation research 0
t. hosseini nuclear science and technology research institute (nstri), material research school, national radiation protection department (nrpd), p.o. box 14155, tehran, iran a.a. fativand nuclear science and technology research institute (nstri), material research school, national radiation protection department (nrpd), p.o. box 14155, tehran, iran h. barati nuclear science and technology research institute (nstri), material research school, national radiation protection department (nrpd), p.o. box 14155, tehran, iran m. karimi nuclear science and technology research institute (nstri), material research school, national radiation protection department (nrpd), p.o. box 14155, tehran, iran

background: knowledge of radioactivity levels in human diet is of particular concern for the estimation of possible radiological hazards to human health. however, very few surveys of radioactivity in food have been conducted in iran therefore the baseline values of the natural radionuclides concentration (40k, 226ra and 232th), and man made radionuclide, 137cs, were determined in twenty six sam...

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