منابع مشابه
assessment of the efficiency of s.p.g.c refineries using network dea
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
Errors in Boiler Efficiency Standards
This paper presents both criticism and suggested changes to boiler efficiency standards associated with fossil-fired steam generators. These standards include the widely used ASME PTC 4.1 and DIN 1942, and their replacements ASME PTC 4:2008 and the European EN 12952-15. For these standards it is useful to review both old and new. The chief criticism lies with inconsistent application of thermod...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1908
ISSN: 0036-8733
DOI: 10.1038/scientificamerican04041908-214supp