نتایج جستجو برای: qec method
تعداد نتایج: 1630250 فیلتر نتایج به سال:
Musculoskeletal disorders (MSDs) are one of the most important problems in advanced and industrialized countries particularly in manufacturing companies. The main objective of this study is to determine work- related musculoskeletal disorders and its related risk factors among Seymareh hydropower plant workers. Determination of disorders and its relevant factors are one the most leading basis f...
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
abstract according to increase in electricity consumption in one hand and power systemsreliability importance in another , fault location detection techniqueshave beenrecentlytaken to consideration. an algorithm based on collected data from both transmission line endsproposed in this thesis. in order to reducecapacitance effects of transmission line, distributed parametersof transmission line...
زمینه و هدف: درصد بالایی از ناراحتی های اسکلتی- ماهیچه ای به علت وضعیت بدنی نامناسب و طراحی ضعیف ایستگاه های کار می باشد. بنابراین پژوهش حاضر جهت بررسی میزان شیوع اختلالات اسکلتی- ماهیچه ای، ارزیابی ایستگاه های کاری و بررسی تاثیر اقدامات مداخله ای ارگونومیک در بین کارکنان دانشکده پزشکی دانشگاه علوم پزشکی شیراز انجام گردید. روش بررسی : در این مطالعه مداخله ای، 200 نفر از کارکنان واحد های مختلف...
زمینه و هدف: در نگرش ارگونومیک جهت کاهش اختلالات عضلانی- اسکلتی در محیط کار میبایست تمام مواردی که در وقوع آسیبها نقش دارند، مورد ارزیابی قرار گیرند. این نگرش میتواند زمینهساز دستیابی به راهحل بهینه جهت حذف یا کاهش شیوع اختلالات عضلانی-اسکلتی در محیط کار شود. هدف از تحقیق حاضر ارزیابی ارگونومیک خطر ابتلا به اختلالات عضلانی- اسکلتی پرستاران به روش qec و بررسی تأثیر 8 هفته حرکات اصلاحی منتخب...
in this thesis, using concepts of wavelets theory some methods of the solving optimal control problems (ocps). governed by time-delay systems is investigated. this thesis contains two parts. first, the method of obtaining of the ocps in time delay systems by linear legendre multiwavelets is presented. the main advantage of the meth...
background: work-related musculoskeletal disorders are the most important factors of absent from work, increased costs and human damages experienced by workers. the aim of this study was to determine the prevalence of work-related musculoskeletal disorders of nurses in al-zahra hospital and the effect of eight-week selected corrective exercises and ergonomic interventions on them. methods: nord...
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