نتایج جستجو برای: repair and maintenance cost

تعداد نتایج: 16913422  

2009
Ushio Sumita Kazuki Takahashi

A cyclic renewal process is considered as an extension of an alternating renewal process, where each of the underlying independently and identically distributed (i.i.d.) nonnegative random increments is composed of multiple stages. Such a process may be appropriate for analyzing optimal preventive maintenance policies for production management, where a pair of two stages representing an uptime ...

Journal: :Proceedings of the American Thoracic Society 2008

Journal: :International Journal of Molecular Sciences 2017

Journal: :Journal of Quality in Maintenance Engineering 2014

Journal: :Advances in transdisciplinary engineering 2023

Aftersales service/support has always been a key factor for company’s business development, growth, and fair advantage to its competitors. In line with this, the project management must be strong reliable. Problems faced by are fast changing service locations, parts supply delays, manpower shortages immediate client support/response. The study aims pin-point, discuss systematically solve these ...

 In this research, optimization of gas microturbine through economic, exergy and environmental analysis has been investigated by the gray wolf algorithm. First, a thermodynamic modeling was performed for each of the above modes, and then using the gray wolf method, optimum points were determined for each systemchr('39')s performance. For modeling, the code written in MATLAB software was used. ...

2017
Richard Curran

Decision making in daily maintenance requires consideration of multiple factors. The importance of each of the factors fluctuates depending on the repair scenario and the needs of the maintainer. In order to include the prioritisation of multiple criteria, a weighted decision making model is developed. The model evaluates all repair options and rates them individually for three decision making ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

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