نتایج جستجو برای: 1 and web

تعداد نتایج: 17260942  

Due to the huge amount of data published on the Web, the Web search process has become more difficult, and it is sometimes hard to get the expected results, especially when the users are less certain about their information needs. Several efforts have been proposed to support exploratory search on the web by using query expansion, faceted search, or supplementary information extracted from exte...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

in this thesis, we exploit a simple and suitable method for immobilization of copper(ii) complex of 4?-phenyl-terpyridine on activated multi-walled carbon nanotubes [amwcnts-o-cu(ii)-phtpy]. this nanostructure was characterized by various physico-chemical techniques. to ensure the efficiency and fidelity of copper species, the implementation of three-component strategies in click-chemistry all...

Journal: :پژوهشنامه کتابداری و اطلاع رسانی 0
حمید کشاورز امیر وفائیان

abstract purpose: initially, reading challenges related to the web environment will be discussed in the current paper followed by describing four reading modes including exegetical, dogmatic, agnostic and dialectical which have been proposed by walter kaufman. the research aimed to examine such modes of reading in the web environment via a questionnaire distributed among the postgraduate studen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده علوم 1370

1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...

Aliabadi, KH, Mohammadimehr, M, Moradi, R,

Background: Interaction is considered a necessary, and integral part in all forms of distance learning and web -based learning environments. That how much technologies can support and help interactions is one of the most important issues that should be considered in the web-based environment. These interactions seek to engage students with other students, teachers and also non-human contex...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی 1388

چکیده ندارد.

Introduction: With regard to general benefits of e-learning in medical education, and the necessity of paying attention to it, this study was to assess the strength and weak points of web-based teaching in medical mycology course. Methods: In this descriptive comparative study conducted on pharmacy students in the first semester of 2009-2010, parallel to attendance and the traditional teaching...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1392

a novel and ultra low cost isfet electrode and measurement system was designed for isfet application and detection of hydronium, hydrazinium and potassium ions. also, a measuring setup containing appropriate circuits, suitable analyzer (advantech board), de noise reduction elements, cooling system and pc was used for controlling the isfet electrode and various characteristic measurements. the t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1389

current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

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