نتایج جستجو برای: Global and local reactivity

تعداد نتایج: 16965207  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1392

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1391

abstract global financial crisis has created too many problems in relations among governments. among these problems, the issue of global monetary management, more than every time in the past four decades, has been moved in the center of international economic attentions. a problem which is specially known with the monetary hostility between united states and public republic of china. where ar...

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

this study investigates the relationship between field-related cognitive styles and global reading comprehension of hypertext. technically, field dependency is prevailing dominance of field on perception of parts, while global comprehension is skim-like reading to grasp the general content. in this research project, 60 senior and junior students of arak university majoring in english literature...

Journal: :iranian journal of applied language studies 2013
zohreh gooniband shooshtari elham akrami

this study investigated the impact of using the technique of self-monitoring on non-academic efl learners’ composition writing. fifty female students studying english at navid english institute in shiraz, iran were chosen based on the results of a proficiency test. they were all 16-20 years old and were intermediate learners of english who were divided into two control and experimental groups a...

Journal: Nanomedicine Journal 2016
F. Shojaie M. Dehghan

Objective(s): First principles calculations were performed to study four multiple sclerosis drugs namely, Ampyra, Fingolimod, Mitoxantrone and Eliprodil in gas and liquid phases using Density Functional Theory (DFT). Computational chemistry simulations were carried out to compare calculated quantum chemical parameters for Ampyra, Fingolimod, Mitoxantrone and Eliprodil. Materials and Methods: Al...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1388

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

2015
LUIS HUMBERTO MENDOZA-HUIZAR

The global and local DFT reactivity descriptors were calculated at the MP2/6-311++G (2d,2p) level of theory for aminocyclopyrachlor herbicide in the aqueous phase. Global reactivity descriptors, such as ionization energy, molecular hardness, electrophilicity and total energies, were calculated to evaluate the reactivity of aminocyclopyrachlor. The local reactivity was evaluated through the Fuku...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1391

efl/esl textbooks have been regarded as essential language teaching materials with which the learners spend about 70 up to 90 percent of their class time. the important role they play and their vast use make them not only influential in learning the language but also in shaping values and attitudes. put it another way, textbooks socialize learners using their contents (i.e. texts, illustrations...

Journal: :nanomedicine journal 0
f. shojaie department of photonic, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iranسازمان اصلی تایید شده: دانشگاه تحصیلات تکمیلی صنعتی کرمان (graduate university of advanced technology) m. dehghan department of photonic, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iranسازمان اصلی تایید شده: دانشگاه تحصیلات تکمیلی صنعتی کرمان (graduate university of advanced technology)

objective(s): first principles calculations were performed to study four multiple sclerosis drugs namely, ampyra, fingolimod, mitoxantrone and eliprodil in gas and liquid phases using density functional theory (dft). computational chemistry simulations were carried out to compare calculated quantum chemical parameters for ampyra, fingolimod, mitoxantrone and eliprodil. materials and methods: al...

One-pot, four-component procedure for the synthesis of a small library of new chiral spiro- oxindolopyrrolidines with high regio-, diastereo- (>99:1 dr), and enantioselectivity (up to 80% ee) is described. In this process, the regio- and stereochemical 1,3-dipolar cycloaddition of azomethine ylides, which were generated insitu by the reaction of isatin derivatives and sarcosin,with optically ac...

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