نتایج جستجو برای: maintenance costs
تعداد نتایج: 314515 فیلتر نتایج به سال:
Annually more than 80% of the overall budget of the uran solid waste management system in Iran is allotted to collection and transportation of the solid wastes. The main objective of the current study is to evaluate the external costs associated with solid waste collection, transfer, and transportation in Tehran for the period of 2018 to 2032 based on the current situation. Waste guidance syste...
Maintenance costs, as defined by normal plant accounting procedures, are normally a major portion of the total operating costs in most plants. Traditional maintenance costs (i.e. labor and material) in the U. S. have escalated at a tremendous rate over the past 10 years. In 1981, domestic plants spent more than $600 Billion to maintain their critical plant systems. By 1991, the costs had increa...
Medical equipment play an important role in the diagnosis, treatment and education of medical affairs. Each year a noteworthy volume of medical sets and equipments in hospitals become obsolete due to technical defects and lose their efficiency in a way that major parts of hospitals’ expenses are allocated for the supply, service and repair of this equipment. The outcome of such expenses a...
efficient and on-time maintenance plays a crucial role inreducing cost and increasing the market share of an industrial unit. preventivemaintenance is a broad term that encompasses a set of activitiesaimed at improving the overall reliability and availability of a systembefore machinery breakdown. the previous studies have addressed thescheduling of preventive maintenance. these studies have co...
Introduction: Choosing maintenance strategy is one of the most complex and essential processes that can affect the safety and cost of equipment. The main aim of this study was to determine a risk-based maintenance policy for improvement of the safety and maintenance indices. Material and Method: According to literature reviews and constraints associated with the studied industry, a number of...
The conventional method towards deriving schedule for a fleet of ships to minimize cost alone has the short-coming of not addressing the problem of operation revenue losses associated with delays during maintenance at ships dockyards. In this paper, a preventive maintenance schedule for a fleet of ships that incorporates op-portunity cost is presented. The idea is to assign a penalty cost to al...
Background and Aims: Application of fluoride products is known as one of the most successful interventions to prevent dental caries. This study aimed to compare the costs of in-office fluoride therapy versus salt fluoridation in Iranian population. Materials and Methods: In this study, the costs relating to the use of in-office fluoride therapy were analyzed using Activity Based Costing dur...
The Life-Quality Index (LQI) is a tool for the assessment of risk reduction initiatives that would enhance safety and quality of life. The paper evaluates the impact of road maintenance programs on the quality of life in the Netherlands using the LQI method. The LQI is calibrated using the specific economic and demographic data for the Netherlands. A preliminary cost-benefit analysis shows that...
Maintenance costs of Information Systems (ISs) are high and growing. Systems of poor quality demand more maintenance resources than systems of good quality. The quality of software can be measured when it is maintained. By improving the quality of maintenance prone modules future maintenance costs may be lowered for those modules. In this article we will present a case study of porting a measur...
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