نتایج جستجو برای: failure of equipment

تعداد نتایج: 21202573  

Nowadays, more than 10,000 different types of medical devices can be found in hospitals.These devices used in medical centers and hospitals for monitoring and treatment of patients require periodic safety and performance checking in order to have confidence in their functioning and operation. Physicians need better accurate medical measurements in order to better diagnose diseases, monitor pati...

2003
Yong Jiang Ming Ni James D. McCalley Tim Van Voorhis

This paper describes a new maintenance selection and scheduling approach for bulk transmission equipment that is based on the cumulative long-term risk caused by each piece of equipment. This approach not only accounts for equipment failure probability and equipment damage, as do most state of the art reliability centered maintenance (RCM) approaches, but it also accounts for the outage consequ...

Journal: :CoRR 2015
Mostafa Sayyed

In this research, computerized maintenance management will be investigated. The rise of maintenance cost forced the research community to look for more effective ways to schedule maintenance operations. Using computerized models to come up with optimal maintenance policy has led to better equipment utilization and lower costs. This research adopts ConditionBased Maintenance model where the main...

Journal: :فصلنامه تخصصی جنگ ایران و عراق 0
مهدی حاجی خداوردی محقق

abstract: following the failure of the combatants in operation karbala-4 and in despite of the various problems which existed for launching the next operation, operation karbala-5 necessarily began in shalamcheh area in jan. 1987. an exclusive and very important operation included many experiences in different aspects, particularly be cause both sides had been entered into the scene with all of...

2017
Pat Lennon Brian Atuhaire Shahrzad Yavari Vidya Sampath Mercy Mvundura Nithya Ramanathan Joanie Robertson

Vaccine cold chain equipment (CCE) in developing countries is often exposed to harsh environmental conditions, such as extreme temperatures and humidity, and is subject to many additional challenges, including intermittent power supply, insufficient maintenance capacity, and a scarcity of replacement parts. Together, these challenges lead to high failure rates for refrigerators, potentially dam...

ژورنال: سلامت کار ایران 2014

Background & aim :The Compressed Natural Gas(CNG)emphasize as clean fuel in reducing contaminating, limitation in providing air, oil resources and subsequently less expenses, preparation and utilization of Natural Gas regarding to gasoline and oil. Through this recent years, natural gas cause increasing the station development to it in the country. The study of statistics interruption fuel...

Arun B. Rane Vivek K. Sunnapwar

Automobile sector forms the backbone of manufacturing sector. Vehicle assembly line is important section in automobile plant where repetitive tasks are performed one after another at different workstations. In this thesis, a methodology is proposed to reduce cycle time and time loss due to important factors like equipment failure, shortage of inventory, absenteeism, set-up, material handling, r...

Journal: :galen medical journal 0
fatemeh bahramnezhad department of critical care nursing, school of nursing and midwifery, tehran university of medical sciences, tehran ahmad ali asadi noughabi school of nursing and midwifery, tehran university of medical sciences, tehran pouya farokhnezhad afshar school of nursing and midwifery, tehran university of medical sciences, tehran simin marandi school of nursing and midwifery, tehran university of medical sciences, tehran

background: guidelines recommend that exercise training can be considered for medically stable outpatients with heart failure; thus, this study sought to determine the effect of exercise on quality of life in patients with heart failure. patients and methods : in this cross sectional study 160 patients were included and divided into 2 groups (n=80). intervention group performed the exercise (po...

Journal: :تحقیقات نظام سلامت 0
فاطمه رجعتی گروه بهداشت عمومی، دانشکده بهداشت، دانشگاه علوم پزشکی کرمانشاه، کرمانشاه، ایران فیروزه مصطفوی گروه آموزش بهداشت و ارتقا سلامت، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران غلامرضا شریفی راد گروه آمارو اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران آوات فیضی گروه آمارو اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشک اصفهان، اصفهان، ایران معصومه صادقی دانشیار، مرکز تحقیقات بازتوانی قلبی، پژوهشکده قلب و عروق اصفهان، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران مهنوش رئیسی دانشجوی دکترا، کمیته تحقیقات دانشجویی، گروه آموزش بهداشت و ارتقای سلامت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

background: heart failure is a severe chronic disease and has a negative impact on the health-related quality of life (hrql). in addition to preventing disease progress, one of the important goals in heart failure treatment is to improve the patient’s quality of life. this study is aimed to compare three generic to specific quality of life instruments that are used in cardiac rehabilitation set...

2015
Wu Guoqing

High-precision machine tools are important equipment of production line in general [1]. However, there has been more difficult on failure prediction and maintenance of its spindle bearings. There are no timely replacement of the bearing when the failure occurs will result in decreased equipment utilization. This paper designed a set of bearing failure prediction system based on LabVIEW programm...

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