Volume 20, Issue 3
مرور بر اساس
ارسال های اخیر
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Influences of Track Structure, Geometry and Traffic Parameters on Railway Deterioration
(Materials and Energy Research Center, 2007-12-01)The roles of the several parameters that influences railway track deterioration most, are examined in this research with a view to make railway track maintenance more effective and cost efficient. The results presented are ...
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Comparison of Mechanical Behavior and Microstructure of Continuous Cast and Hot Worked CuZn40Al1 Alloy (TECHNICAL NOTE)
(Materials and Energy Research Center, 2007-12-01)The performance of components produced by conventional route of a thermo mechanical process and those produced by continuous casting is interesting from different aspects of economy and technology. The performance of ...
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Effects of Salinity, ph and Temperature on CMC Polymer and XC Polymer Performance (TECHNICAL NOTE)
(Materials and Energy Research Center, 2007-12-01)The rheological and filtration properties of drilling mud under down-hole conditions may be very different from those measured at ambient pressures and temperatures at the surface. This paper presents the results of an ...
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Mössbauer and Magnetic Studies of Iron-Zeolite and Iron-Cobalt Zeolite Catalysts Used in Synthesis Gas Conversion
(Materials and Energy Research Center, 2007-12-01)Medium-pore (diameter ~ 6A) zeolites such as ZSM-5 and silicalite impregnated with Group VIII metals provide selective catalytic pathways for the conversion of synthesis gas to gasoline or olefins. Mössbauer and magnetic ...
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Effects of Surface Modification on the Recovery Time and Stability of Nanostructured Tin Oxide Thick Films Gas Sensors
(Materials and Energy Research Center, 2007-12-01)Along with high sensitivity in detecting gas, the response and recovery times of semiconductor gas sensors are of considerable importance for real life applications. In most cases, the recovery time is more than the response ...
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Novel Method for the Preparation of Copper Phthalocyanin Blue Nanoparticles in an Electrochemical Cell Irradiated by Microwave (RESEARCH NOTE)
(Materials and Energy Research Center, 2007-12-01)Combined electrochemical and hydrothermal assisted by microwave was used for the preparation of copper phthalocyanin blue (Cu Pc) nanoparticles with sizes ranging from 5 to 35 nm. Phthalic anhydride, urea and ammonium ...
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The Analysis of Bayesian Probit Regression of Binary and Polychotomous Response Data
(Materials and Energy Research Center, 2007-12-01)The goal of this study is to introduce a statistical method regarding the analysis of specific latent data for regression analysis of the discrete data and to build a relation between a probit regression model (related to ...
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An Analysis to Wealth Distribution Based on Sugarscape Model in an Artificial Society
(Materials and Energy Research Center, 2007-12-01)In this paper an artificial society is being assumed as a multi agents system. A sugarscape model consisting of a cellular landscape of resources is used to form an interaction among the agents of the population. In the ...
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Image Restoration Using A PDE-Based Approach
(Materials and Energy Research Center, 2007-12-01)Image restoration is an essential preprocessing step for many image analysis applications. In any image restoration techniques, keeping structure of the image unchanged is very important. Such structure in an image often ...



