life cycle study of a product is an accepted method for determining the side effects of its production process on environment during its complete life cycle. in this research, the impacts of global warming, acidification, terrestrial eutrophication and fossil resources depletion per unit yield of wheat (ton) on environment were investigated using life cycle assessment method in marvdasht region...

  A product life cycle is the life span of a product in which the period begins with the initial product specification and ends with the withdrawal from the market of both the product and its support. A product life cycle can be divided into several stages characterized by the revenue generated by the product. This study investigates inventory control policies in a manufacturing system for a si...

Journal of Futures Studies, May 2007, 11(4): 97 104 How do we conceive of the world system? For a long time, say 1950-2000, there were two clear answers based on real world divisions coinciding with the compass: the West-East, and the North-South discourses; the former based on ideology and military alliances and the latter on economic development. NATO versus WTO, the North Atlantic Treaty Org...