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51 articles for “mixed methods”
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Research ArticleOpen accessIn the abstractA GA Based Transmission Network Expansion Planning Considering Voltage Level, Network Losses and Number of Bundle LinesS. Jalilzadeh, H. Shayeghi, M. Mahdavi, H. HadadianTransmission Network Expansion Planning (TNEP) was studied considering voltage level, network losses and number of bundle lines using decimal codification based genetic algorithm (DCGA). TNEP determines the characteristic and performance of the future electric power network and directly influences the operation of power system. Up till now, various methods have been presented for the solution of the Static Transmission Network … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 7,588 accessesView PDFCite
Research ArticleOpen accessIn the abstractBenders' Decomposition Based Heuristics for Large-Scale Dynamic Quadratic Assignment ProblemsSirirat Muenvanichakul, Peerayuth CharnsethikulProblem statement: Dynamic Quadratic Assignment Problem (DQAP) is NP hard problem. Benders decomposition based heuristics method is applied to the equivalent mixed-integer linear programming problem of the original DQAP. Approach: Approximate Benders Decomposition (ABD) generates the ensemble of a subset of feasible layout for Approximate Dynamic Programming (ADP) to determine the sub-optimal optimal solution. A Trust-Region Constraint (TRC) for the … …Journal of Computer Science, Vol. 5, Issue 1 · 31 Jan 2009 · 7,684 accessesView PDFCite
EditorialOpen accessIn the abstractSpecial Issue on Current Challenges in Materials DesignChiara Bedon, Fausto Mistretta, Mauro Sassu, Flavio StochinoAkhoundi, F., G. Vasconcelos and P. Lourenço, 2018. In-plane behavior of infills using glass fiber shear connectors in Textile Reinforced Mortar (TRM) Technique. Int. J. Struct. Glass Adv. Mat. Res., 2: 1-14. DOI: 10.3844/sgamrsp.2018.1.14 Baraldi, D., F. Minghini, E. Tezzon and N. Tullini, 2018. Nonlinear analysis of RC box culverts resting on a linear elastic soil. Int. J. Struct. Glass … …International Journal of Structural Glass and Advanced Materials Research, Vol. 2, Issue 1 · 11 Jul 2018 · 6,715 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Aliphatic Hydrocarbons in Sediments of Shatt Al-Arab River, Southern Iraq, North East Arabian GulfWisam Abdul-Ameer FaridShatt Al-Arab River is one of the important rivers for water supply, industry and irrigation in Basrah City, south of Iraq. It's also supply drinking water to users in the region. Despite the significance of this river, there is a lack of previous studies dealing with petroleum pollution especially for geochemical studies of organic matter in the river sediments using … …American Journal of Environmental Sciences, Vol. 13, Issue 6 · 29 Jan 2018 · 7,460 accessesView PDFCite
Research ArticleOpen accessIn the abstractPorosity Analysis in Porous Brass Using Dual ApproachesRyan Yeargin, Rob Ramey, Cindy WatersThe goal of this research is to produce porous samples for various applications such as heat exchangers, filters and radiation shields. The level of porosity is an important objective yet the level of confidence in two main methods (hand calculations and microscopic analysis) is not high. This work will compare porosity values obtained from traditional hand calculations against analysis from … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 1 · 25 Feb 2016 · 8,529 accessesView PDFCite
Research ArticleOpen accessIn the abstractEnergy Balance for a Diesel Engine Operates on a Pure Biodiesel, Diesel Fuel and Biodiesel-Diesel BlendsM. I. Al-Hasan, A. S. Al-GhamdiIn general, small part of fuel chemical energy transforms to effective power in diesel engines and other parts are going as energy losses, there for many researchers, as well as engine designers, are searching to increase this part by using various methods. In this study, the effect of pure biodiesel and biodiesel-diesel fuel blends on engine energy balance, compared with … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 3 · 29 Jan 2016 · 8,117 accessesView PDFCite
EditorialOpen accessIn the abstractThe Proton Radius PuzzleG. M. HuberOccasionally,“revolutions” are caused in physics when new measurement techniques becomeavailable and cause us to rethink what we thought we knew. This has recently happenedin the field of proton structure physics, where researchers have had to revisitfundamental assumptions used in their determinations of the proton's meanelectric charge radius. Until 2010, ourknowledge of the proton's electric charge radius came exclusively fromelectron-proton interactions. … …Physics International, Vol. 6, Issue 1 · 12 Sep 2015 · 8,330 accessesView PDFCite
Research ArticleOpen accessIn the abstractGreen Environments and their Effect Upon Hospital UsersCarol A. Haigh, Gary Witham, Jessica Thompson, Hilary WoodWhilst there is significant academic and health care opinion is that green space both in and outside of institutions is both beneficial and desirable for hospital patients and workers, there is little in the literature to suggest that patients and staff recognise or identify 'good' and 'bad' natural environments. This study reports an exploration of the green environment around a … …International Journal of Research in Nursing, Vol. 5, Issue 2 · 19 Jan 2015 · 7,072 accessesView PDFCite
Research ArticleOpen accessIn the abstractFINITE VOLUME METHOD OF MODELLING TRANSIENT GROUNDWATER FLOWN. Muyinda, G. Kakuba, J. M. MangoIn the field of computational fluid dynamics, the finite volume method is dominant over other numerical techniques like the finite difference and finite element methods because the underlying physical quantities are conserved at the discrete level. In the present study, the finite volume method is used to solve an isotropic transient groundwater flow model to obtain hydraulic heads and flow … …Journal of Mathematics and Statistics, Vol. 10, Issue 1 · 15 Feb 2014 · 7,111 accessesView PDFCite
Research ArticleOpen accessIn the abstractFUZZY SIMPLE ADDITIVE WEIGHTING BASED, DECISION SUPPORT SYSTEM APPLICATION FOR ALTERNATIVE CONFUSION REDUCTION STRATEGY IN SMARTPHONE PURCHASESRobertus Nugroho Perwiro Atmojo, Anindito, Bens Pardamean et al.Consumer confusion is a phenomena when the consumer experiencing several confusion problems when she/he should to purchase products/services. Usually, consumer will do a strategy to coping the confusion, that strategy is known as Confusion Reduction Strategy. The conventional ways usually taken by the consumer to reduce the confusion are, such as: Asking for product recommendation to close relatives, seeking for … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 8 Feb 2014 · 7,593 accessesView PDFCite