نتایج جستجو برای: standard iso
تعداد نتایج: 534562 فیلتر نتایج به سال:
the aim of this study was to evaluate the needs assessment component of service education programs for the managers and staff at the department of youth and sports based on the iso 10015 standard. the research method was a descriptive survey conducted as a case study. the statistical population consisted of all managers and staff, consisting a total of 120 of the esfahan province general direct...
introduction: work-related musculoskeleta ldisorders (wmsds) of upperlimbs (ul)in the last 35 years have become extremely widespread, reaching epidemiclevels, inalladv ancedindustrializedcountries. they are considered the main cause of disability, time off work, and requests for healthcare . method and materials: for detailed risk assessment, iso -11228-3 is the preferred method. it is recommen...
vibration from the operation of industrial implements can be harmful to the human body. these implements, such as the power tiller or hand tractor often used to till rice in northern iran, can vibrate the entire body or one part, particularly the hands. in this research, the transmissibility and effects of vibration from a mitsubishi power tiller of 7.7 hp and 2400 rpm on the operator’s health ...
با پیشرفت تکنولوژی و کاربرد مدل های رایانه ای همچون fluent، نیازی به آزمایشات تجربی برای ساخت قطره چکانهای جدید کاهش یافته و با صرفه جویی در زمان و هزینه می توان جریان را در قطره چکان با استفاده از این مدلها ارزیابی و ابعاد قطره چکان را اصلاح کرد. به این منظور، قطره چکان یوروکی مدل کلاسیک، با توجه به امکانات و شرایط موجود انتخاب و اندازه مجاری آن توسط میکروسکوپ الکترونی (sem) اندازه گیری شد. به...
چکیده ندارد.
introduction: commitment to abstracting standards has a very significant role in information retrieval. the present research aimed to evaluate the rate of commitment to iso 214 standards among the persian abstracts of approved research projects at school of health management and medical informatics, isfahan university of medical sciences, isfahan, iran. methods: this descriptive study used a...
Introduction: The most common standards being used for predicting the health risks of whole body vibrations are ISO 2631- and BS 6844, presenting frequency weighting anfd different coefficients for different sensivities in variuse axes. In yhis study, vibration was measured about 900 minutes on 9 trains in one of the active lines of tehran metro with the aim of comparing the mentioned standards...
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