نتایج جستجو برای: control
تعداد نتایج: 1329043 فیلتر نتایج به سال:
چکیده ندارد.
in the last two decades, there has been an increasing interest in structural engineering control methods. shape memory alloys and seismic isolation systems are examples of passive control systems that use of any one alone, effectively improve the seismic performance of the structure. characteristics such as large strain range without any residual deformation, high damping capacity, excellent re...
the aim of the present study was to explore the relationship between media literacy and social skills among citizens in isfahan. to this end, a descriptive-correlation methodology was employed. the population under study consisted of all citizens living in isfahan who were reported to be 1796967 persons in 2013. using cochran formula, 384 persons were selected by stratified sampling and were in...
in this paper a robust road departure avoidance system based on a closed-loop driver decision estimator (dde) is presented. the main idea is that of incorporating the driver intent in the control of the vehicle. the driver decision estimator computes the vehicle look ahead lateral position based on the driver input and uses this position to establish the risk of road departure. to induce a risk...
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...
در این پروژه سیستم کنترل وضعیت یک ماهواره چرخان طراحی می گردد. طراحی این سیستم که فی الواقع ترکیبی از طراحی های تئوری و لحاظ محدودیتهای عملی می باشد را می توان به دو بخش تقسیم کرد. بخش اول طراحی که انتخاب عملگرهای بکار گرفته شده در سیستم کنترل وضعیت می باشد بر پایه ویژگیهای فیزیکی ماهواره و تحت طراحی انجام می پذیردو بنابراین با توجه به اینکه ماهواره مورد نظر از خانواده ماهواره های leo می باشد و...
اثر تیمارهای گوناگون کودهای آلی، زیستی و شیمیایی روی ویژگی های زیستی شته جالیز (aphis gossypii glover) در شرایط آزمایشگاه با دمای 1±25 درجه سلسیوس، رطوبت 5±60 درصد و دوره ی نوری 16 ساعت روشنایی و 8 ساعت تاریکی مورد بررسی قرار گرفت. تیمارها شامل، control، dung، vermicompost، npk، npknb، npkpb و npknbpb بود. افزون بر این اثر این تیمارها روی سطح مواد غذایی گیاه خیار و مقاومت آنتی زنوزی آن نسبت به...
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 objectives: there is an association between viral infection and development of diabetes mellitus. this study aimed to investigate the role of rubella virus, cytomegalovirus and coxsackievirus in patients with type 1 (t1d)and type 2 (t2d) diabetes mellitus in respect to the glycemic control and immune response presented by ...
abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...
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