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Research ArticleOpen accessIn the abstractInvestigating Factors Affecting Environmental Behavior of Urban Residents: A Case Study in Tehran City- IranKhalil Kalantari, Hossein Shabanali Fami, Ali Asadi, H. Movahed MohammadiEnvironmental problems such as air and water pollution, urban garbage and climate changes in urban areas are the results of human behavior. Only change in human behavior can reduce these environmental problems. Thus studying attitude and behavior of people is a precondition to change this situation. So the main objective of this study was to find out individual and social … …American Journal of Environmental Sciences, Vol. 3, Issue 2 · 30 Jun 2007 · 7,935 accessesView PDFCite
Research ArticleOpen accessIn the abstractRobustness Results for Hierarchical Diff-EDF Scheduling upon Heterogeneous Real-Time Packet NetworksMoutaz Saleh, Zulaiha Ali OthmanPacket networks are currently enabling the integration of traffic with a wide range of characteristics that extend from video traffic with stringent QoS requirements to the best-effort traffic requiring no guarantees. QoS guarantees can be provided in conventional packet networks by the use of proper packet scheduling algorithms. As a computer revolution, many scheduling algorithms have been proposed to provide … …Journal of Computer Science, Vol. 3, Issue 5 · 31 May 2007 · 6,609 accessesView PDFCite
Research ArticleOpen accessIn the abstractUtilization of AODV in Wireless Ad Hoc NetworksZeyad M. Alfawaer, GuiWei Hua, Nidal A. HamdehAODV is a mature and widely accepted routing protocol for Mobile Ad hoc Networks (MANET), it has low processing and memory overhead and low network utilization, and works well even in high mobility situation. We modified AODV to use these dominating sets, resulting in the AODV-DS protocol. Our contribution in addressing the fragility of a minimum connected dominating set in … …Journal of Computer Science, Vol. 3, Issue 4 · 30 Apr 2007 · 7,162 accessesView PDFCite
Research ArticleOpen accessIn the abstractDeep Defects Annihilation in GaAs1-xNx Layers by Si-dopingN. Ben Sedrine, A. Hamdouni, J. Rihani et al.The photoluminescence (PL) properties of Si-doped GaAs0.985N0.015 with different silicon content were investigated. The study was carried out on a set of three samples grown by Molecular Beam Epitaxy (MBE) on GaAs (001) oriented substrate using a radio frequency nitrogen beam source. For all samples, the PL measurements show the presence of a wide band situated at 0.83 eV which … …American Journal of Applied Sciences, Vol. 4, Issue 1 · 30 Apr 2007 · 8,163 accessesView PDFCite
Research ArticleOpen accessIn the abstractGas Turbine Ontology for the Industrial ProcessesF. Z. Laallam, M. SellamiThe activity of supervision and control of the industrial processes is a very complex spot and require a great experiment because of the dynamic characteristics of the process. This experiment was acquired with the passing of years. What makes departure of an expert in retirement a great loss of the know-how. The problem thus consists to capture this know-how and … …Journal of Computer Science, Vol. 3, Issue 2 · 28 Feb 2007 · 7,301 accessesView PDFCite
Research ArticleOpen accessIn the abstractGenetic Algorithms Connected Simulation with Smoothing Function for Searching Rule CurvesAnongrit Kangrang, Chavalit ChaleeraktrakoonRule curves are fundamental guidelines for operating a reservoir system. The objective of this paper is to find a suitable objective function and to propose a smoothing function constraint for searching the optimal rule curves by using genetic algorithms connected simulation model. The results show that an average water shortage is the optimal objective function for searching the optimal rule … …American Journal of Applied Sciences, Vol. 4, Issue 2 · 28 Feb 2007 · 7,487 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Cooperative Intelligent Decision Support System for Contingency ManagementAbdelkader ADLATraditional Decision Support Systems (DSS) give not enough possibilities of intervention to the user. These systems are reduced to an insular and very technical state in which the objective is not support decision but to dump data on the screen in the hope that the user will know what to do with. In complex situations, decision is not structured and … …Journal of Computer Science, Vol. 2, Issue 10 · 31 Oct 2006 · 6,698 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Information Management System Model for the Industrial Incidents in Saudi Arabia: A Conceptual Framework Based on SDLC MethodologySaleh Al-ZahraniThe main focus of this study has been on the development of a conceptual framework for improving the current status of industrial accidents' control. The framework is aimed to use of ICT to improve the information exchange between the Civil Defence and Industrial Sector and to provide an information management system model for the Industrial Incidents Administration System (IIAS). The … …Journal of Computer Science, Vol. 2, Issue 5 · 31 May 2006 · 6,924 accessesView PDFCite
Research ArticleOpen accessIn the abstractSurvival in the Current Healthcare Environment How Close Are We to Socialized Medicine?Eldo E. FrezzaIn the 1980's, some hospitals established internal agencies to regulate cash flow and capital expense. State agencies promoted the evolution of healthcare facilities into more business-like organizations. Attention to the following matters will reduce hospital costs: 1) prevent or reduce nosocomial infections; 2) treat diseases at a stage amenable to outpatient therapy; 3) obtain complete information about the policies of … …Journal of Social Sciences, Vol. 1, Issue 4 · 31 Dec 2005 · 6,693 accessesView PDFCite
Research ArticleOpen accessIn the abstractFailure Diagnosis on Discrete Event SystemsSihem Kechida, Nasr Eddine DebbacheThe modern technology advances to a point where it is possible and extensively desirable to improve reliability and the technical process safety. This is achieved by computer implanted FDI procedures (Fault Detection and Isolation). However, the malfunction of actuators, sensors and of the process components, as well as erroneous actions of human operators can have some disastrous consequences in high … …American Journal of Applied Sciences, Vol. 2, Issue 11 · 30 Nov 2005 · 6,889 accessesView PDFCite