Software component-based reuse is diÆcult for software developers to adopt because rst they must know what components exist in a reuse repository and then they must know how to retrieve them easily. This paper describes the concept and implementation of active reuse repository systems that address the above two issues. Active reuse repository systems employ active information delivery mechanism...

this study aimed to identify problems arising from lack of knowledge in interest groups about wastewater reuse and delphi survey was conducted. according to experts, the most important factor that may cause the public resistance against the use of treated wastewaters is “health concerns”. this factor may be resulted from “lack of trust on the responsible organizations” and “ignorance about trea...

As modern software grows more and more complex, various techniques are invented or introduced to this field to increase productivity and reliability of software development. Software reuse plays an important role with respect to this goal. This essay tries to summarize popular techniques in software reuse field. Basing on a set of terminologies, we examine the nature of the techniques by clarif...

Introduction :By ever-increasing of population, shortage of water resources and the necessity of wastewater treatment, huge volumes of sludge that is a byproduct of wastewater treatment, requires to be disposed in environmentally secure ways. The target of specifying strategic preferences of reuse of sludge has been to find the correct way of disposal or beneficial use of sludge. Material and ...