environmental issues have attracted many concerns in recent years. life cycle assessment (lca) is a method that evaluates all environmental effects of a product during its life cycle. the objective of this study was to introduce lca [to persian researchers] and to use it in assessment of environmental impact of wheat production in gorgan, ne iran compared to european counties. first, data were ...

Abstract Geotechnical engineering work contributes to the total environmental impact and monetary cost occurring from construction sector. Decisions made regarding geotechnical aspects have a profound effect on of structure during its life cycle. Life Cycle Assessment (LCA) Cost Analysis (LCCA) are established methods for assessing impacts works. This paper presents results literature review 56...

background: the main object of this experimental work was to practise laboratory production both adult and the larval stage of hymenolepis diminuta with conventional modification to make further studies easier. materials & method: adults h. diminuta were collected from urban rats in tehran, iran. the beetles became infected using blended gravid segments with flour as bait. cysticercoids have be...