نتایج جستجو برای: failure mode

تعداد نتایج: 585682  

Azin Jahan Nia Hamideh Sadat Mohammadipour Mohammad Javad Moghaddas, Roya Amiri Daluyi

Introduction: To achieve acceptable clinical performance, a ceramic veneer must be bonded to enamel by well-polymerized resin cement. Among different factors, thickness and translucency of the ceramic may affect the resin cement polymerization. Thus, the current study evaluated the effect of the thickness and translucency of lithium disilicate ceramic on light-cured resin cement bond strength t...

Background and purpose: Identification of risk in hospital waste management have a major role in reducing the cost of surplus and preventing the spread of diseases. In this quantitative analysis, we aimed at determining waste components, evaluating hospital waste management, and prioritizing the risks in Sari Fatemeh Zahra Hospital. Materials and methods: We performed a descriptive-cross-secti...

ژورنال: مجله دندانپزشکی 2006
یوسفی, محمدحسین, دانش‌کاظمی, علیرضا , داوری, عبدالرحیم , یاسائی, صغری ,

Background and Aim: With the introduction of different bondable restorative materials in dentistry, various methods have been suggested to enhance the polymerization and shear bond strength of these materials. The aim of this study was to determine the effects of different methods of enamel conditioning on bond strength of orthodontic brackets and on the bracket/ adhesive failure mode. Material...

Accurate modeling of masonry has been a major concern of the researchers in the past decades. Besides reinforced and unreinforced masonry structures, masonry can be found in frame structures as infill panels which are used as partitions and/or external walls. These elements role as a part of structure and introduce a large degree of nonlinearity into the system. In this study, a micro-modeling ...

2003
R. L. Weaver

A new test method is developed for studying mixed-mode interfacial failure of thin films using laser generated stress waves. Guided by recent parametric studies of laser-induced tensile spallation, we successfully extend this technique to achieve mixed-mode loading conditions. By allowing an initial longitudinal wave to mode convert at an oblique surface, a high amplitude shear wave is generate...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و فرهنگ - دانشکده مهندسی 1391

این رساله به زمانبندی مسئله جریان تولید منعطف، با در نظر گرفتن امکان ورود مجدد کارها، در حالت چند هدفه می پردازد. همچنین زمان های آماده سازی وابسته به توالی، در این تحقیق، دیده شده-است. مسئله مورد مطالعه در این تحقیق، در صنایع تولیدی و شیمیایی بسیاری مانند محیط های تولید قطعات الکترونیکی، به خصوص نیمه هادی ها و نیز فرآیندهایی که در صنایع پتروشیمی انجام می شوند، کاربرد دارد. توابع هدف در نظر...

2004
Claudia Picardi Luca Console Frederic Berger Jan Breeman Tony Kanakis Jeroen Moelands Stephan Collas Emmanuel Arbaretier Nino De Domenico Ermanno Girardelli Oskar Dressler Peter Struss Benjamin Zilbermann

The goal of the FMECA (Failure Mode, Effects and Criticality Analysis) process is to determine the consequences that failures may have on the function of a complex system. In aeronautic industries, this process is very important and must comply with international standards. Today, most of the process is performed manually. This can be problematic, since, although the basic process is not diffic...

Journal: :Journal of personality and social psychology 2013
Jocelyn J Bélanger Marc-André K Lafrenière Robert J Vallerand Arie W Kruglanski

Four studies investigated the impact of success and failure information on passionate individuals' performance. Obsessive passion, characterized by a rigid and defensive mode of functioning, predicted greater performance in domains both related and unrelated to the passionate activity in response to exposure to failure information. Conversely, harmonious passion, characterized by a flexible, no...

2001
Irem Y. Tumer Robert B. Stone

Communicating failure mode information during design and manufacturing is a crucial task for failure prevention. Most processes use Failure Modes and Effects types of analyses, as well as prior knowledge and experience, to determine the potential modes of failures a product might encounter during its lifetime. When new products are being considered and designed, this knowledge and information i...

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