Background : Occurrence of corrosion and deposition in drinking water in distribution system can leads to economic and health damages. The aim of this study was to investigate the corrosion and precipitation potential of drinking water in Kerman distribution system.   Methods : This cross-sectional study was performed from September to November of 2011. For determining the chemical quality of...

In this paper, a new strategy based on a dynamic (time-based) model is proposed for expansion planning of electrical energy distribution systems, taking into account distributed generation resources and advantage of the techno-economic approach. In addition to optimal placement and capacity, the proposed model is able to determine the timing of installation / reinforcement of expansion options....

This article is trying to study production and distribution system based on providing value chain with the aim of identifying production & distribution system of hand-made carpet firstly; and studying the feasibility of changing from the push system to the pull system regarding the viewpoints of the elite and expert, secondly. In order to achieve this goal, the descriptive method of research ha...

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...