نتایج جستجو برای: reliability and durability dimensions

تعداد نتایج: 16857663  

Journal: :Materials advances 2022

This review concisely elaborates the advancement from stretchable toward autonomous self-healable semiconducting polymers owing to their long-term use and enhanced reliability, maintenance, durability for modern thin-film transistor devices.

Journal: :geopersia 0
vahid rastegarian postgraduate student in engineering geology, bu-ali sina university, geology department, hamadan mojtaba heidari assisstant prof. in engineering geology, bu-ali sina university, geology department, hamadan behrouz rafiei associate prof. in sedimentary petrology, bu-ali sina university, geology department, hamadan yazdan mohebi phd student in engineering geology, bu-ali sina university, geology department, hamadan

a research program was conducted on different clay-bearing rocks selected from the ilam, sarpol-e zahab and tajarak regions (iran) to predict their slaking characteristics. the new durability apparatus (nested mesh drums) separates disintegrated particles varying from > 25.4 to < 2 mm as the drums were rotated. on the basis of the particle size distribution, the disintegration ratio (dr) was us...

Journal: :Nauka i Tehnika 2021

The paper provides an overview of the known designs water wells. A new design a two-column two-filter intake well has been also proposed, in which filters are arranged two tiers. This will lead to increase capacity and reduce filtration rate on approach filters. This, turn, create conditions for reducing head losses make it possible drawdowns well, ensuring reduction cost produced water. combin...

بنی اسدی, اکرم, حسینی, آغا فاطمه, وطن خواه, سودابه,

  Background and Aim: Quality measurement and management has changed to be one of the most important topics in health care today. This study aims to analyze service quality through Importance-performance Analysis tool in selected hospitals.   Materials and Methods : This is an Analytical-descriptive study. Research community was all admitted patients to four hospitals during a specific period, ...

ژورنال: ارگونومی 2022

Background and Objectives: The importance of surgical jobs and their high workload is known to many researchers. Until now, various studies have used the NASA TLX for measuring the workload of surgeons. The present study seeks to investigate the relationship between the mental workload of surgeons and their productivity through the validation of specialized tools for this job in Iranian culture...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
علی اصغر میرک زاده استادیار گروه ترویج و آموزش کشاورزی، دانشگاه رازی کرمانشاه نعمت اله شیری دانشگاه رازی سعید هدایتی نیا دانشجوی کارشناسی ارشد توسعه روستایی، دانشگاه یاسوج

the present study was conducted to investigate and formulate the effects of social capital dimensions on entrepreneurial intentions. the population of this study consisted of all fourth year agricultural students of yasouj university (n=196), that by using patten (2002) sampling table, 130 student were selected as the sample using the random simple sampling method. the main instrument of study ...

Journal: :Biomedical journal 2015
Shivani Kohli Shekhar Bhatia

BACKGROUND Proper function, esthetics, and cost are the prime factors to be considered while selecting bridge veneering materials. The purpose of the study is to evaluate color durability of acrylic veneer materials after immersion in common beverages at different time intervals. METHODS Spectrophotometer was used for taking color measurements based on the transmission of light through the sp...

2012
Samuel Greiff Sascha Wüstenberg Joachim Funke

This article addresses two unsolved measurement issues in dynamic problem solving (DPS) research: (a) unsystematic construction of DPS tests making a comparison of results obtained in different studies difficult and (b) use of time-intensive single tasks leading to severe reliability problems. To solve these issues, the MicroDYN approach is presented, which combines (a) the formal framework of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1388

abstract the present thesis studies different question sentences in persian and russian languages comparatively. sentence is a syntactic unit that matches a lot of dimensions together. sentence includes syntactic structure definite meaning & concept and different applied demotions. in applied, question and imperative sentences based on speakers aim. predicative sentences state a kind of info...

Journal: :E3S web of conferences 2021

The article looks through the justification of projected frame reliability characteristics trailer and its components. Given desired level for as a whole promoted calculation required parameters reliability, including probability failure-free operation mean time between failure elements frame. substantiation indicators durability is carried out. Based on complexity factors elements, were calcul...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید