نتایج جستجو برای: flexible structure

تعداد نتایج: 1664193  

Journal: :Teaching & Learning Inquiry: The ISSOTL Journal 2022

Traditional course deadline policies uphold the myth of “normal” student, assuming students face few and equal barriers to completing work on time. In contrast, flexible acknowledge that unequal seek mitigate them. Flexible maintain structure while transferring some decision-making power from instructor into hands student. These practices align with current pedagogical movements in higher educa...

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

abstract: the present thesis includes ; one preface and 11speeches , that each speech considered in different researches . the prefact part , studied grammer back ground , the first speech considered a brief description about grammatical credits . the second speech considered the different typs of sentences , from structure and meaning points of view . the third speech considered the verb es...

The statistical modeling of social network data needs much effort  because of the complex dependence structure of the tie variables. In order to formulate such dependences, the statistical exponential families of distributions can provide a flexible structure. In this regard, the statistical characteristics of the network is provided to be encapsulated within an Exponential Random Graph Model (...

The conformation of alinidine a new and specific bradycardic agent was studied using MNDO method. It has been found that the rotation of both phenyl and imidazoline ring of this compound is restricted. Of two possible isomers of irnidazoline ring, the one with NH in the cis position to allyl side chain is slightly more stable. On the other hand, the allyl group can rotate freely and at leas...

ژورنال: اعتیاد پژوهی 2019

Target:In this research, the structure of addiction treatment centers in Iran has been investigated by reviewing the views of the expert in this field.Method: In this research is used directed qualitative content analysis with interview. conclusion:According to the results, structures of Congress 60 and Iran Region of Narcotics Anonymous are closer to the structure of special mission. Due to li...

Journal: :iranian journal of pharmaceutical research 0
hoda abolhasani tabriz university of medical sciences, tabriz, iran afshin zarghi shahid beheshti university of medical sciences, tehran, iran maryam hamzeh-mivehroud tabriz university of medical sciences, tabriz, iran ali akbar alizadeh tabriz university of medical sciences, tabriz, iran javid shahbazi mojarrad tabriz university of medical sciences siavoush dastmalchi tabriz university of medical sciences, tabriz, iran

interference with microtubule polymerization results in cell cycle arrest leading to cell death. colchicine is a well-known microtubule polymerization inhibitor which does so by binding to a specific site on tubulin. a set of 3',4'-bis (substituted phenyl)-4'h-spiro[indene-2,5'-isoxazol]-1(3h)-one derivatives with known antiproliferative activities were evaluated for their t...

Journal: :مهندسی سازه 0
مسعود عسگری علی یوسفیه

braced frames structures have a good lateral stiffness against earthquakes. however, energy loss of their members is slight and strong forces are given to the structures. moment frames have a more flexible function against earthquakes and also have a better flexibility than braced frames. however, since its lateral stiffness is low, too much displacement of the structure results in an increase ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1386

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی مکانیک 1385

مدل ریاضی سیستمهای دینامیکی با انعطاف پذیری سازه ای، مجموعه ای از معادلات دیفرانسیل معمول، پاره ای و انتگرالی است این سیستمها با ترکیبی از مختصات متمرکز و توزیعی توصیف می شوند. از سویی، اغلب تیوریهایی کنترلی برای سیستمهای گسسته بیان و اثبات شده و حسگرها و عملگرهای کنترلی نیز ماهیت متمرکز و گسسته دارند. بنابراین، توسعه روشهای کنترلی به منظور کاربرد در سیستمهای متحرک جدید مانند ماهواره ها و روبات...

Main contribution of this work is improving transient stability by installing Flexible AC Transmission System (FACTS) in power systems. For do this, Unified Power Flow Controller (UPFC) has been selected. Also a novel structure has been suggested to improve classic Harmony Search algorithm and suggested improved Harmony Search (iHS) algorithm. This algorithm has been used to obtain UPFC paramet...

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