نتایج جستجو برای: engineering and technology

تعداد نتایج: 16910195  

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و - پژوهشکده علوم نانو 1392
پویا پرتوی آذر, افشین نمیرانیان,

among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...

15 صفحه اول
Journal: :iranian red crescent medical journal 0
hossein shafeghat health management and economics research center, iran university of medical sciences, tehran, ir iran; department of management, school of management, university of tehran, tehran, ir iran mehdi jafari health management and economics research center, iran university of medical sciences, tehran, ir iran; department of health services' management, school of health management and information sciences, iran university of medical sciences, tehran, ir iran; school of health management and information sciences, iran university of medical sciences, no. 6, rashid yasemi street, vali-e-asr avenue, p.o.box:1995614111, tehran, ir iran. tel: +98-9123210131 abbas monavarian department of management, school of management, university of tehran, tehran, ir iran maryam shafayi health management and economics research center, iran university of medical sciences, tehran, ir iran; department of management, school of management, university of tehran, tehran, ir iran reza dehnavieh research center for health services management, institute for future studies in health, kerman university of medical sciences, kerman, ir iran

conclusions: according to our results and the views of the employees of the iranian ministry of health, “countrywide services management law” positively affected the personnel's work motivation regarding all the factors associated with motivation including: organizational structure, information technology, training patterns, salary and bonus system and re-engineering pattern. finally, to enhanc...

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Journal: :Journal of Engineering Materials and Technology 1975

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Journal: :نشریه دانشکده فنی 0
مصطفی تقوی مرکز تحقیقات سیاست علمی کشور سیده پریسا موسوی طباطبایی مطالعات علم و فنّاوری دانشگاه وبرجینیا تک

design process is one of the main processes practiced in engineering. in this paper, after demonstrating the place of engineering among the topics discussed about technology, design process is studied from the perspective of three different models. the first model, vincenti’s model, provides an abstract explanation of the design process; the second model, bucciarelli’s model, has a sociological...

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پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1389
مدریت موصطفرای, سید کمال چهارسوقی,

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...

15 صفحه اول
پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391
علیرضا راشکی, مهدی اژدری مقدم,

today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

Journal: :سیاست نامه علم و فناوری 0
علی چاپرک دانشجوی دکتری دانشکده علوم و فنون نوین، دانشگاه تهران حجت الله حاجی حسینی دانشیار سازمان پژوهش های علمی و صنعتی ایران

0

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Journal: روش های عددی در مهندسی (استقلال) 1997
Seyed H. Iran-Manesh and Seyed T. A. Niaki,

In this paper an application of the cluster analysis technique in educational planning is demonstrated by means of a developed computer software with some characteristics of an expert system. The main idea is based on the knowledge-based systems which have been applied in group technology. The software is applied to weekly schedules of the courses and professors of the Industrial Engineering De...

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ژورنال: ایمنی زیستی 2019
Norouzi, Peyman,

Plant genetic engineering has been the fastest technology adopted in human history to achieve quantitative and qualitative superiority by farmers. This technology has real benefits to the environment and the livelihood of farmers. Unfortunately, despite numerous credible scientific studies on the safety of GM products for the consumer and the environment, this technology still faces misleading ...

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Journal: مواد پیشرفته در مهندسی (استقلال) 1997
Seyed H. Iran-Manesh and Seyed T. A. Niaki,

In this paper an application of the cluster analysis technique in educational planning is demonstrated by means of a developed computer software with some characteristics of an expert system. The main idea is based on the knowledge-based systems which have been applied in group technology. The software is applied to weekly schedules of the courses and professors of the Industrial Engineering De...

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function paginate(evt) { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term pg=parseInt(evt.target.text) var data={ "year":filter_year, "term":term, "pgn":pg } filtered_res=post_and_fetch(data,url) window.scrollTo(0,0); } function update_search_meta(search_meta) { meta_place=document.getElementById("search_meta_data") term=search_meta.term active_pgn=search_meta.pgn num_res=search_meta.num_res num_pages=search_meta.num_pages year=search_meta.year meta_place.dataset.term=term meta_place.dataset.page=active_pgn meta_place.dataset.num_res=num_res meta_place.dataset.num_pages=num_pages meta_place.dataset.year=year document.getElementById("num_result_place").innerHTML=num_res if (year !== "unfilter"){ document.getElementById("year_filter_label").style="display:inline;" document.getElementById("year_filter_place").innerHTML=year }else { document.getElementById("year_filter_label").style="display:none;" document.getElementById("year_filter_place").innerHTML="" } } function update_pagination() { search_meta_place=document.getElementById('search_meta_data') num_pages=search_meta_place.dataset.num_pages; active_pgn=parseInt(search_meta_place.dataset.page); document.getElementById("pgn-ul").innerHTML=""; pgn_html=""; for (i = 1; i <= num_pages; i++){ if (i===active_pgn){ actv="active" }else {actv=""} pgn_li="
  • " +i+ "
    • "; pgn_html+=pgn_li; } document.getElementById("pgn-ul").innerHTML=pgn_html var pgn_links = document.querySelectorAll('.mypgn'); pgn_links.forEach(function(pgn_link) { pgn_link.addEventListener('click', paginate) }) } function post_and_fetch(data,url) { showLoading() xhr = new XMLHttpRequest(); xhr.open('POST', url, true); xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8'); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { var resp = xhr.responseText; resp_json=JSON.parse(resp) resp_place = document.getElementById("search_result_div") resp_place.innerHTML = resp_json['results'] search_meta = resp_json['meta'] update_search_meta(search_meta) update_pagination() hideLoading() } }; xhr.send(JSON.stringify(data)); } function unfilter() { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":"unfilter", "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } function deactivate_all_bars(){ var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(bar) { bar.dataset.active = false bar.style = "stroke:#71a3c5;" }) } year_chart.on("created", function() { var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(check) { check.addEventListener('click', checkIndex); }) }); function checkIndex(event) { var yrchart = document.querySelectorAll('.ct-bar'); var year_bar = event.target if (year_bar.dataset.active == "true") { unfilter_res = unfilter() year_bar.dataset.active = false year_bar.style = "stroke:#1d2b3699;" } else { deactivate_all_bars() year_bar.dataset.active = true year_bar.style = "stroke:#e56f6f;" filter_year = chart_data['labels'][Array.from(yrchart).indexOf(year_bar)] url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":filter_year, "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } } function showLoading() { document.getElementById("loading").style.display = "block"; setTimeout(hideLoading, 10000); // 10 seconds } function hideLoading() { document.getElementById("loading").style.display = "none"; } -->