Reservoir routing is often conducted with the stage-storage curve of the storage facility. Often at a planning stage, little hydraulic information about the storage facility is known yet. Therefore, a performance curve such as the storage-outflow curve needs to be developed from hydrologic information without detail basin geometry and outlet hydraulics. This paper presents a hydrology based pro...

since, in the same vein as public spaces, urban green spaces play a significant role in establishing social interactions in the iranian cities, security concerns need to be taken more seriously in such places than other social environments, the insufficiency of which could diminish their functional capacity. this could in turn lead to a source of subsequent difficulties in urban spaces. therefo...

The major oil industry upstream activities include the exploration, drilling, extraction, pipelines installation, and production of crude oil. In this paper, we develop a mathematical model to plan for theseoperations as a crude oil supply chain network design problem.The proposed multi-period mixed integer linear programming model entails both strategic (e.g., facility location and allocation)...

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It is the " heart " of the Lubuskie province situated in western Poland. It is a city of 120,000 inhabitants, which is located between Berlin, Wrocław, Prague, Szczecin and Dresden.

in the recent decade, special attention is paid to reverse logistic due to economic benefits of recovery and recycling of used products as well as environmental legislation and social concerns. on the other hand، many researches claim that separately and sequential planning of forward and reverse logistic causes sub-optimality. effective transport activities are also one of the most important c...

BACKGROUND In rural areas of Kenya, where the majority of Kenya's population lives, contraceptive use remains low compared with that in urban areas (37% vs. 47%). Inadequate access to family planning services in rural areas is partly due to fewer health facilities and the shortage of health care workers. Community-based access to injectable contraceptives can improve access for rural population...

In the paper an original method of the UMTS radio network design was presented. The method is based on simple way of capacitycoverage trade-off estimation for WCDMA/FDD radio interface. This trade-off is estimated by using universal load characteristics and normalized coverage characteristics. The characteristics are useful for any propagation environment as well as for any service performance ...

This paper examines the single-commodity network design problem with stochastic edge capacities. We characterize the structures of the optimal designs and compare with the deterministic counterparts. We do this partly to understand what constitutes robust network designs, but also to construct a heuristic for the stochastic problem, leading to optimality gaps of about 10%. In our view, that is ...