در حال نمایش موارد 1 - 9 از 9
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Effect of Antifreeze Admixtures on Cold Weather Concrete (Materials and Energy Research Center, 2019-03-01)Kashmir is located in a region where winter temperatures are very low. During the winter months, the temperature in Kashmir is often below 0⁰ C. Generally concrete placed in colder regions with the help of insulated forms ...
 
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Fluoride Precipitation of Cu Over Fe in a Selected pH Window (Materials and Energy Research Center, 2019-03-01)Fe is an impurity in most leach liquors. Its coexistence with copper in leaching solution of chalcopyrite (CuFeS2) which is the most important mineral of copper creates major extraction problems. Hydrochloric ...
 
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Investigation of the Effect of L-Ascorbic Acid on Class G Oil Well Cement (Materials and Energy Research Center, 2019-03-01)Various chemicals can have different effects on the properties of the cement slurry. In this paper, the different effects of L-ascorbic acid have been investigated on the important parameters of cement slurry made from ...
 
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Mistake Proofing Cam Mechanism Through Six-sigma Process: Case Study on Clothes Printing Machines (Materials and Energy Research Center, 2019-03-01)Controlling the occurrence of defects is a major challenge for manufacturing organizations that are seeking to enhance their competitive position in today's global market. This paper considers the process of screen-printing ...
 
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A New Approach Applying Multi-objective Optimization using a Taguchi Fuzzy-based for Tourist Satisfaction Management (Materials and Energy Research Center, 2019-03-01)The paper describes the usage of the fuzzy Mamdani analysis and Taguchi method to optimize the tourism satisfaction in Thailand. The fuzzy reasoning system is applied to pursue the relationships among the options of a tour ...
 
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A New Approach to Provide High Water Permeable Polyethersulfone based Nanofiltration Membrane by Air Plasma Treatment (Materials and Energy Research Center, 2019-03-01)In this study, polyethersulfone based nanofiltration membranes were modified by air plasma generated through dielectric barrier discharge to increase the membrane hydrophilicity aiming to improve the separation and antifouling ...
 
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Prediction of Noise Transmission Loss and Acoustic Comfort Assessment of a Ventilated Window using Statistical Energy Analysis (Materials and Energy Research Center, 2019-03-01)In this paper, a novel analytical method was developed based on statistical energy analysis framework to evaluate sound transmission loss through ventilated windows. The proposed method was compared to numerical and ...
 
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Quaternion-based Finite-time Sliding Mode Controller Design for Attitude Tracking of a Rigid Spacecraft during High-thrust Orbital Maneuver in the Presence of Disturbance Torques (Materials and Energy Research Center, 2019-03-01)In this paper, a quaternion-based finite-time sliding mode attitude controller is designed for a spacecraft performing high-thrust orbital maneuvers, with cold gas thrusters as its actuators. The proposed controller results ...
 
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Reversible Logic Multipliers: Novel Low-cost Parity-Preserving Designs (Materials and Energy Research Center, 2019-03-01)Reversible logic is one of the new paradigms for power optimization that can be used instead of the current circuits. Moreover, the fault-tolerance capability in the form of error detection or error correction is a vital ...
 



