مرور Volume 27, Issue 2 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 15 از 15
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Influence of Nano-silica and Polypropylene Fibers on Bond Strength of Reinforcement and Structural Lightweight Concrete (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-02-01)In this study, first by surveythe parameters affecting the compressive strength, such as water to cement ratio, cementgrade, silica fume to cement percentage, and the various ratios oflight weight aggregate LECA, to total ...
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Structural and Functional Analysis of an Industrial, Flexible, and Demountable Wall Panel System (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-02-01)Building waste is a critical issue in current construction. Innovative design strategies are required to reduce the depletion of valuable materials and resources through providing flexible and versatile structures. This ...
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Convective Heat Transfer of Oil Based Nanofluid Flow Inside a Circular Tube
(Materials and Energy Research Center, 2014-02-01)Abstract An empirical investigation was carried out to study convective heat transfer of nanofluid flow inside an inclined copper tube under uniform heat flux condition. Required data are acquired for laminar and ...
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Leaching Kinetics of Stibnite in Sodium Hydroxide
(Materials and Energy Research Center, 2014-02-01)Spherical pellets of antimony sulphide were dissolved in 1 molar sodium hydroxide solutions at different temperatures. It was found that the shrinking core with ash layer model could satisfactorily explain the dissolution ...
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Effect of Organic Substrate on Promoting Solventogenesis in Ethanologenic Acetogene Clostridium ljungdahlii ATCC5538
(Materials and Energy Research Center, 2014-02-01)Clostridium ljungdahlii is a strictly anaerobic acetogene known for its ability to ferment a wide variety of substrates to ethanol and acetate. This bacterium presents a complex anaerobic metabolism including the acetogenic ...
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A comparison on Lipase Production from Soybean meal and Sugarcane Bagasse in Solid State Fermentation using Rhizopus oryzae
(Materials and Energy Research Center, 2014-02-01)In this study, solid-state fermentation of two types of agricultural residues/products for lipase production in a tray-bioreactor was investigated. Rhizopus oryzae was used as a potential fungus strain and two types of ...
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Preparation and Characterization of Polyaniline/Sb2O3 Nanocomposite and its Application to Removal of Pb(ІІ) from Aqueous Media
(Materials and Energy Research Center, 2014-02-01)Nanocomposite of polyaniline (PAn) containing nanometre size Sb2O3 was prepared in aqueous media in situ chemical oxidative polymerization method at room temperature in the presence of hydroxypropylcellulose (HPC) as a ...
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Analytical and Experimental Investigation of I Beam-to-CFT Column Connections under Monotonic Loading (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-02-01)In this study, the behavior characteristics of I beam-to-concrete filled tube (CFT) column connection is studied through experiment and finite element models under the monotonic loading. To validate the finite element ...
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Investigation of Correlations between Seismic Parameters and Damage Indices for Earthquakes of Iran Region (TECHNICAL NOTE)
(Materials and Energy Research Center, 2014-02-01)Seismic record of an earthquake contains important and significant data about characteristics of a ground motion. In this study, interdependencies between important seismic parameters and three overall structural damage ...
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Modeling of TiO2-water Nanofluid Effect on Heat Transfer and Pressure Drop
(Materials and Energy Research Center, 2014-02-01)This paper reports a numerical study on the force convection heat transfer and flow characteristics of a nanofluid containing water and Tio2 with various volume fractions (0.002
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Comparison of using Different Modeling Techniques on the Prediction of the Nonlinear Behavior of R/C Shear Walls
(Materials and Energy Research Center, 2014-02-01)Abstract: Reinforced concrete shear walls have been used throughout the world as known resisting elements for the lateral wind and earthquake loads. They are mostly designed and constructed based on elastic calculations ...
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Modification of Polyaniline/Polystyrene and Polyaniline/Metal Oxide Structure by Surfactant
(Materials and Energy Research Center, 2014-02-01)Polyaniline/polystyrene (PAni/PS) composites were prepared in aqueous solution by polymerization of styrene and aniline in two-stages. Firstly styrene polymerize by using Ammonium persulfate (APS) as an oxidant in the ...
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Behavior of Compacted Lime-soil Columns
(Materials and Energy Research Center, 2014-02-01)This study presents the results of large scale laboratory model tests to investigate the behavior of Compacted Lime – Well-graded Soil (CL-WS) rigid stone columns in soft soils. The unit cell idealization is used for ...
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Entropy Generation of Double Diffusive Natural Convection in a Three Dimensional Differentially Heated Enclosure
(Materials and Energy Research Center, 2014-02-01)Entropy generation of double diffusive natural convection in a three dimensional differentially heated enclosure has been performed numerically. Vertical walls of enclosure are heated differentially and remaining walls are ...
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Experimental Investigation of Force Convection Heat Transfer in a Car Radiator Filled with SiO2-Water Nanofluid
(Materials and Energy Research Center, 2014-02-01)In this study, effect of adding in SiO2 nanoparticle in base fluid (water) in car radiator is investigated experimentally. Radiators are compact heat exchangers that optimized and evaluated by considering different working ...



