نتایج جستجو برای: chains of normalsubgroups

تعداد نتایج: 21170678  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1392

while performance-based language assessment has led to an increased authenticity and content validity in the practice of writing assessment, the reliability of ratings has become a major issue. research findings have shown different reactions by native english speaker (nes) and non-native english speaker (nns) teachers to students’ writings. the focus of this study is on investigating whether i...

Journal: :مدیریت فناوری اطلاعات 0
علی رجب زاده قطری دانشگاه تربیت مدرس علی رضا حسین زاده دانشگاه تربیت مدرس نیلوفر نالچی گر دانشگاه تربیت مدرس سروش نالچی گر دانشگاه تهران

companies strive to improve market share, grow corporate profit, and gain strategic advantage. in order to achieve these goals, supply chain competency must be placed at the heart of a company’s business model. using e-commerce and information and communication technologies (ict) in today’s changing demands of business has made organizations more responsive and flexible. e-commerce and internet...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1389

the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

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

in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...

Baradaran Kazemzadeh, R. , Faraz , A. R,

  In this paper the delivery times in the delivery chains is modeled and monitored statistically. The model is developed based on a double warning control chart using Lorenzen and Vance cost function and it is solved by using the Genetic Algorithm approach. The model is tested using the TNT post services data in the United States of America .

Journal: :international journal of pediatrics 0
farid imanzadeh professor of children gastroenterology, gastroenterology unit, mofid hospital, shahid beheshti university of medical sciences, tehran, iran. aliakbar sayarri professor of children gastroenterology, gastroenterology unit, mofid hospital, shahid beheshti university of medical sciences, tehran, iran. pantea tajik fellow of children gastroenterology, gastroenterology unit, mofid hospital, shahid beheshti university of medical sciences, tehran, iran.

immunoproliferative small intestinal disease (ipsid) is the syndrome associated with mediterranean lymphoma (a rare form of non-hodgkin’s lymphoma). many of the patients diagnosed with secretory ipsid have variable level of abnormal immunoglobulins in serum or other bodily fluids, identified as truncated alpha heavy chain globulins. most cases are characterized by a loss of ability to synthesiz...

Journal: :journal of sciences islamic republic of iran 0

in this paper, using the tight-binding model, we extend the real-space renormalization group method to time-dependent hamiltonians. we drive the time-dependent recursion relations for the renormalized tight-binding hamiltonian by decimating selective sites of lattice iteratively. the formalism is then used for the calculation of the local density of electronic states for a one dimensional quant...

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