نتایج جستجو برای: this parameter undergoes changes under various conditions therefore

تعداد نتایج: 7468324  

Journal: :international journal of automotive engineering 0
j. marzbanrad m.a. babalooei

the constitutive relationships of the rubber materials that act as the main spring of a hydraulic engine mount are nonlinear. in addition to material induced nonlinearity, further nonlinearities may be introduced by mount geometry, turbulent fluid behavior, temperature, boundary conditions, decoupler action, and hysteretic behavior. in this research all influence the behavior of the system only...

2012
Julia E.M.S. Nabel Natalie Zurbriggen Heike Lischke

The simulation of tree species migration suffers from many sources of uncertainty. In our study we examined the influence of species parameter uncertainty on simulated tree species migration, using the spatially linked dynamic forest landscape model TreeMig. The impact of uncertainty becomes especially apparent under critical conditions arising from the interaction of species sensitivities to c...

Melissa officinalisL. is a herbaceous and perennial plantof family Lamiaceae. It is an antioxidant plant that is found in northern Iran. Aluminum is a heavy metal that generates oxidative stresses in plants, among which antioxidant enzymes are among the most important herbal defensive measures in inhibition of reactive oxygen species.Iron is an essential, while low-consuming, element for plants...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - پژوهشکده علوم 1392

purpose a metabolic abnormality such as obesity is a major obstacle in the maintenance of the human health system and causes various chronic diseases including type 2 diabetes, hypertension, cardiovascular diseases, as well as various cancers. this study was designed to summarize the recent scientific knowledge regarding the anti-obesity role of curcumin (diferuloylmethane), which is isolated f...

Journal: :Ukrainian hydrometeorological journal 2017

Journal: :civil engineering infrastructures journal 0
m.j. seyedan graduate, department of civil engineering, faculty of engineering, ferdowsi university of mashhad, iran ehsan seyedi hosseininia assistant professor, department of civil engineering, faculty of engineering, ferdowsi university of mashhad, iran

dynamic response of underground structures has always been a topic of concern for designers and researchers. the behavior of these complicated systems under blast loading is affected by various factors and parametric studies are required to investigate their significance. the importance of soil density around the underground structure through which, the waves of explosion of a penetrator bomb i...

پایان نامه :موسسه آموزش عالی غیردولتی رودکی تنکابن - دانشکده ادبیات و زبانهای خارجی 1393

abstract the present study was an attempt to investigate the effect of critical thinking on writing ability of 60 iranian intermediate efl learners studying at chenar language institute in khuzestan, iran. to this end, the participants of the study were selected based on their performance in an pet test, a cornell critical thinking test form x and a pre-test of writing. the participants un...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1391

as polysemy is encountered frequently in english as foreign language. fl learners’ ability to disambiguate polysemous verbs becomes critical to their comprehension in the target language. this thesis, accordingly, investigated how iranian efl learners achieved comprehension of english polysemous verbs by using three different types of cues: (1) elaborated context, (2) semantic frames, and (...

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