نتایج جستجو برای: has significant effects on various systems

تعداد نتایج: 10362102  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

introruction khawf in(iran)-herat and mazaresharif and shirkhan bandar in (afghanistan)-dushanbe in (tajikistan)_(kirgizstan)-kashghar in(china) project railway network is under construction that it is as a significant corridor for revitalizing silk road corridor in the region .at the present there are three different gauge in the region central asia with 1,520 mm gauge and turkey-islamic repu...

In this article, the vibrational behavior of a spinning cylindrical thick shell carrying spring- mass systems and conveying viscos fluid flow under various temperature distributions is investigated. This structure rotates about axial direction and the formulations include the coriolis and centrifugal effects. In addition, this system is conveying viscous fluid, and the related force is calculat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...

ژورنال: آبزیان زینتی 2020
Eagderi, Soheil, Radkhah, Ali Reza, Sadeghinejad Masouleh, Esmaeil,

Today, the role of aquaculture in food production, economic development and food security is well known, but this industry still faces many challenges, including the prevalence of pathogens in farming systems. So far, various chemical, physical and biological methods have been used to control and prevent the spread of pathogens in farming environments, some of which are unfortunately not widely...

Journal: :acta medica iranica 0
hamidreza ahmadi ashtiani cosmetic products research center, iran food and drug adminstration, ministry of health and medical education, tehran, iran. and department of basic sciences, school of veterinary medicine, university of tehran, iran. and pharmaceutical sciences branch, islamic azad university, tehran, iran. arash khaki department of pathology, faculty of veterinary, islamic azad university, tabriz, iran. shahram ejtemaei mehr department of pharmacology, tehran university of medical sciences, tehran, iran. soghra anjarani health reference laboratories, ministry of health and medical education, tehran, iran. manochehr dadgarnejad cosmetic products research center, iran food and drug adminstration, ministry of health and medical education, tehran, iran. mahmoud alebouyeh cosmetic products research center, iran food and drug adminstration, ministry of health and medical education, tehran, iran.

lead (pb), has, for decades, being known for its adverse effects on various body organs and systems. in the present study, the damage of pb on the liver tissue apoptosis was investigated, and lycopersicon esculentum as an antioxidants source was administered orally to prevent the adverse effects of pb. eighteen wistar rats, randomized into three groups (n=6), were used for this study. animals i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1392

in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract this research is about a longitudinal case study of english morpheme acquisition by a persian speaking child l2 learner of english (2 .9-3).the goal of this research has been discovery of the child ‘s ability in acquiring of english morphemes in a persian context while only one person (the child’ s father)has been talking to her.this child has also been exposed to english languag...

Journal: :journal of biomedical physics and engineering 0
m eghlidospour smj mortazavi f yousefi sar mortazavi

mobile phone use and wireless communication technology have grown explosively over the past decades. this rapid growth has caused widespread global concern about the potential detrimental effects of this technology on human health. stem cells generate specialized cell types of the tissue in which they reside through normal differentiation pathways. considering the undeniable importance of stem ...

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

legal establishment of court is the birth of social life; each person should define him/herself against others offence or violation. when a society forms and the legal character appears, the thought of society refers to a person name prosecuting attorney who is the president of the court for defending his/her rights. prosecuting attorney remindterms such as court, crime and punishment. accordi...

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