نتایج جستجو برای: distribution costs
تعداد نتایج: 773859 فیلتر نتایج به سال:
based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...
BACKGROUND Atrial fibrillation (AF) has substantial impacts on healthcare resource utilization. Our objective was to understand the pattern and predictors of cumulative healthcare costs in AF patients after incident diagnosis in an emergency department (ED). METHODS AND RESULTS Patients discharged after a first presentation of AF to an ED in Ontario, Canada, were identified from April 1, 2005...
Nowadays, shovels play an important role in production of open pit mines and their failures result in significant production loss and considerable increase in maintenance costs. Therefore, reliability and risk analysis can help to improve production, productivity and reduce production costs. In this study, reliability of electric cable shovel of Chadormalu iron ore mine in Iran was investigated...
There is constant danger of patients admitted into the hospital acquiring infection while in the hospital. Such infections are known as Hospital Acquired Infections(HAI) or Nasocomial Infections. Appearing of hospital infections is one of important health care quality indicators. These infections, annually impose many costs on secondary, tertiary and primary health care sectors, the patients ...
energy costs comprise considerable amount of operation costs in water distribution networks. optimal management of energy costs to provide required water for consumers with desired quality is of high importance. to achieve this, optimization is defined as a powerful tool. in this paper, by focusing on operation phase, multi-objective optimization of water supply network considering hydraulic, q...
All environmental policies involve costs of implementation and management that are distinct from pollution sources’ abatement costs. In practice, regulators and sources usually share these administrative costs. We examine theoretically an optimal policy consisting of an emissions tax and the distribution of administrative costs between the government and regulated sources of pollution. Our focu...
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