نتایج جستجو برای: introductionas a dynamic phenomenon

تعداد نتایج: 13529640  

Journal: :مدیریت فناوری اطلاعات 0
مریم یارمحمدی دانشجوی کارشناسی ارشد مدیریت فناوری اطلاعات دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران، ایران علی معینی دانشیار گرایش الگوریتم ها و محاسبات، پردیس دانشکد ه های فنی دانشگاه تهران و عضو وابسته گروه مدیریت فناوری اطلاعات، دانشکده مدیریت، دانشگاه تهران، ایران کامبیر بدیع دانشیار مرکز تحقیقات مخابرات ،پژوهشکده فناوری اطلاعات، تهران،ایران

today, change is a definite phenomenon and organizations should make themselves aligned with requirements for survival and success in the competitive market and retain customers. one of the main components of any organization that is undergoing these changes is the business processes of that organization. in other words, in a dynamic business environment, business processes are changed at runti...

Introduction: The school has always been the center of cultural and social developments in the society and has important effects on the scientific dynamics of the society. The current research was conducted with the aim of identifying the effective factors on the implementation of the dynamic school plan. Methods: The present qualitative research was conducted using the grounded theory method....

Journal: :iranian journal of science and technology (sciences) 2005
s. m. fatemi aghda

the artificial accelerograms have been developed for assessing the dynamic response ofstructures. considering seismological properties of the site are necessary for the best simulation ofaccelerograms. the real recorded accelergrams for simulating earthquake phenomenon are used in thearma model. this is due to the fact that the arma model can be considered more advantageous than theothers.in th...

Advanced high strength steels (AHSS) have recently attracted great attention because of their superior mechanical properties. A modern group of these steels, known as twinning induced plasticity (TWIP) steels, shows a unique combination of strength and ductility even at high rates of strain. In order to examine the functionality of such steels in dynamic loading conditions, their mechanical beh...

Journal: :journal of advances in computer research 0

one of the most important challenges in nonlinear, multi-input multi-output (mimo) and time variant systems (e.g., robot manipulator) is designing a controller with acceptable performance. this paper focused on design a new artificial non linear controller with on line tunable gain applied in the robot manipulator. the sliding mode fuzzy controller (smfc) was designed as 7 rules mamdani’s infer...

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 گیلان - دانشکده فنی و مهندسی 1390

magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...

Journal: :Micromachines 2015
Weiwei Cui Menglun Zhang Xuexin Duan Wei Pang Daihua Zhang Hao Zhang

A quantitative description of the dynamics of droplet motion has been a long-standing concern in electrowetting research. Although many static and dynamic models focusing on droplet motion induced by electrowetting-on-dielectric (EWOD) already exist, some dynamic features do not fit these models well, especially the dynamic saturation phenomenon. In this paper, a dynamic saturation model of dro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...

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