منابع مشابه
An economic analysis of carp culture production cost in Iran
Although carp is still widely sold and used in its fresh form, a range of value additions may also be observed. It is essential to know the development and management of a carp farm production costs and their evolution. In Iran, warm-water fish farming is based on common, silver, grass, and bighead carps. The carp is easy to rise in hatcheries in very large numbers at little cost, and is distri...
متن کاملAn economic analysis of carp culture production cost in Iran
Although carp is still widely sold and used in its fresh form, a range of value additions may also be observed. It is essential to know the development and management of a carp farm production costs and their evolution. In Iran, warm-water fish farming is based on common, silver, grass, and bighead carps. The carp is easy to rise in hatcheries in very large numbers at little cost, and is distri...
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Site-specific factors are assumed to influence ethanol plant location and production. This paper aims at determining whether these factors actually have influence on plant size. The rapid expansion of the industry could make these factors crucial in its survival. Exploratory spatial analyses did not show spatial dependence among nearby ethanol plants. However, a spatial error model was found to...
متن کاملVariational learning for rectified factor analysis
Linear factor models with non-negativity constraints have received a great deal of interest in a number of problem domains. In existing approaches, positivity has often been associated with sparsity. In this paper we argue that sparsity of the factors is not always a desirable option, but certainly a technical limitation of the currently existing solutions. We then reformulate the problem in or...
متن کاملPropylene Production via Metathesis - Cost Analysis
This report presents a cost analysis of Polymer Grade (PG) Propylene production from ethylene and raffinate-2 using a metathesis process. The process examined is similar to CB&I Lummus Technology's Olefins Conversion Technology (OCT). In this process, Polymer Grade Propylene is produced through a metathesis reaction of ethylene with 2-butene, present in raffinate-2 feedstock. This report examin...
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ژورنال
عنوان ژورنال: Thermal Science
سال: 2011
ISSN: 0354-9836,2334-7163
DOI: 10.2298/tsci100914022b