نتایج جستجو برای: based on force field theory

تعداد نتایج: 9733067  

Journal: :مدیریت دولتی 0
عباس منوریان دانشیار گروه مدیریت دولتی، دانشکدۀ مدیریت دانشگاه تهران، تهران، ایران

abstract: in regard to the policy implementation, there are a few research at global level and differences about implementation model are very high. in this research, a missing ring, i. e., enhancement of capabilities and competencies of implementers of policy through policy learning is under consideration. the research approach is based on quality research and grounded theory method. the popul...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده زبانهای خارجی 1393

writing an academic article requires the researchers to provide support for their works by learning how to cite the works of others. various studies regarding the analysis of citation in m.a theses have been done, while little work has been done on comparison of citations among elt scopus journal articles, and so the dearth of research in this area demands for further investigation into citatio...

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

a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...

2000
Kirk T. McDonald Joseph Henry

Can the wavelength of a classical electromagnetic field be arbitrarily small, or its electric field strength be arbitrarily large? If we require that the radiationreaction force on a charged particle in response to an applied field be smaller than the Lorentz force we find limits on the classical electromagnetic field that herald the need for a better theory, i.e., one in better accord with exp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1393

this studyinvestigated therelations between examinees’ academic knowledge and theirperformanceonreading section of ielts and toefl (ibt) through using generalizabilitytheory. g-theory was utilized to investigate the effects of subtest, test items, participants and academic background on the reliability of ielts and toefl (ibt) score. tosamplethe subjectsofthissurvey,a placement testwasadministe...

Journal: :journal of physical and theoretical chemistry 0
mohammad mahdi akbarzadeh building chemical engineering, setoodeh bana co., jomhori st., p.o. box 13187-63715, tehran, iran khirollah mehrani department of chemistry, ardabil branch, islamic azad university, p.o. box 56157-31567, ardabil, iran shahriar ghammamy faculty of sciences, science and research branch, islamic azad university, p.o. box 14778-93855, tehran, iran vahideh hadigheh rezvan department of chemistry, imam khomeini international university, p.o. box 34148 - 96818 qazvin, iran

compound (n,n-bis (salicylidene) 1,2-diaminophenylene) was prepared by condensation of ethanolsolution of 2-hydroxybanzaldehyde and 1,2-diaminophenylene. the compound was characterized by1h nmr, infrared spectroscopy (ft-ir) data and analytical data. the geometrical parameters andenergies have been obtained from density functional theory (dft) b3lyp method and hartree-fock (hf) method with 3-21...

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

this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...

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

textbooks play a crucial role in language learning classrooms. the problem is that among the great quantity of available textbooks on the market which one is appropriate for a specific classroom and a group of learners. in order to evaluate elt textbooks, theorists and writers have offered different kinds of evaluative frameworks based on a number of principles and criteria. this study evaluate...

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