نتایج جستجو برای: measurement model was approved
تعداد نتایج: 5654612 فیلتر نتایج به سال:
statement of problem: the effectiveness of fluoride dentifrices in reducing dental caries is well documented. however, not all fluoride dentifrices are equally effective purpose: the objective of this experimental study was to compare fluoride uptake from pooneh pediatric toothpaste and an ada-approved pediatric dentifrice, in sound enamel of primary teeth. materials and methods: in an in vitro...
اگرکیفیت معلم کلاس برای بهبودیادگیری دانش آموزحیاتی است،پس کیفیت اساتیددانشجو-معلمان، یابه عبارتی معلمین معلمان نیزبرای پیشرفت آموزش بسیارمهم واساسی است.ناگفته پیداست که یک سیستم مناسب آموزش معلمان ،معلمین با کیفیتی را تربیت خواهدکرد.که این کار منجربه داشتن مدارس خوب، ودرنتیجه نیروی کارماهرتروشهروندبهتربرای جامعه خواهدشد. اساتیددانشجو-معلمان نقشی بسیارمهم را در سیستم اموزش معلمان درسراسرجهان ای...
Background and Objectives: Noise pollution in cities, as a widespread and worldwide problem, can cause adverse health effects such as hearing loss. Traffic noise, as the most important source of urban noise, can influence many jobsincluding shopkeepers. The aim of this study was simultaneous assessment of traffic noise pollution and hearing threshold level of shopkeepers in congested area of Be...
background: there are thirteen who collaborating centres in iran which no mechanism or model has ever been foreseen for the evaluation of them. this original research is innovative in iran, which has been offered by the researcher through a joint research project with who. methods: the aforesaid model has been approved by the international relation department of ministry of health& education. t...
soil conservation service curve number method (scs-cn) is a widely applied technique for predicting direct runoff from rainfall has been used around the world. in this study, the curve number maps and entry physical model data of kheyrud basin to hec-hms model, the hec-geohms extension in arcgis software and google earth satellite images were used. in addition to the statistical analysis of sur...
BACKGROUND Our facility's current blood volume measurement protocol has involved separate measurement of plasma and red cell volumes. The purpose of this study is to determine whether measurement with a recently FDA-approved, one-compartment semiautomated system provides similar accuracy. METHODS Blood volume measurement was performed on 27 volunteers using our current protocol followed immed...
Data Envelopment Analysis (DEA) is a technique used to compare efficiency in various sectors such as hospitals, chain stores, and dealerships. It represents a set of linear programming techniques and uses deter-ministic data (inputs and outputs), in stable conditions. The DEA technique cannot be used when there is data with indeterministic nature, or when there is an environment with dynamic co...
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