Yayıncı "Elsevier" için listeleme
Toplam kayıt 25, listelenen: 1-20
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Adhesion and wear properties of boro-tempered ductile iron
(Elsevier, 2011)In this study, adhesion and wear properties of boro-tempered ductile iron (BDI) were investigated. Boro-tempering was carried out on two stage processes i.e. boronizing and tempering. At the first stage, ductile iron samples ... -
Characterization of acidic pumice and determination of its electrokinetic properties in water
(Elsevier, 12.09.2009)In this study some characterization tests of acidic pumice were performed using various techniques such as Mercury Intrusion Porosimetry (MIP), Scanning Electron Microscope (SEM), X-Ray Diffraction (XRD), Thermal Analysis ... -
Colloidal stability-slip casting behavior relationship in slurry of mullite synthesized by the USP method
(Elsevier, 30.07.2011)This study presents the outcome of a research concerning the relationship between the colloidal stability of mullite powders synthesized by the USP (ultrasonic spray pyrolysis) method and its slip casting behavior. ... -
Design and optimization of multigeneration biogas power plant using waste heat recovery System: A case study with Energy, Exergy, and thermoeconomic approach of Power, cooling and heating
(Elsevier, 15.09.2022)This study modeled and analyzed transforming an operational biogas power plant into a trigeneration system with power, cooling, and heating. In this context, the energy, exergy, and optimum unit energy costs of this ... -
Determination of actual dissolution rates from some rock properties in construction of deep salt cavern for natural gas storage
(Elsevier, 2020)Available energy resources should be efficiently used to meet the global energy demand. The storage of energy resources, especially as natural gas, is important to balance extreme fluctuations in demand and supply of energy. ... -
Development of models for green hydrogen production of Turkey geothermal Resources: A case study demonstration of thermodynamics and thermoeconomics analyses
(Elsevier, 01.03.2024)The transition to sustainable and clean energy sources has become imperative in the face of global climate change concerns. Hydrogen is a versatile and environmentally friendly energy carrier among the potential solutions. ... -
Diffusion kinetics of borided AISI 52100 and AISI 440C steels
(Elsevier, 2012)In this study, the case properties and diffusion kinetics of AISI 440C and AISI 52100 steels borided in Ekabor-II powder were investigated by conducting a series of experiments at temperatures of 1123, 1173 and 1223 K for ... -
The effect of BaCO3 addition on the sintering behavior of lignite coal fly ash
(Elsevier, 11.04.2008)The effect of BaCO 3 (witherite) addition on the sintering behavior of lignite coal fly ash taken from the Seyitömer power plant of Kütahya/Turkey was examined at temperatures of 1100, 1150 and 1200 C in air atmosphere. ... -
Effect of hydrocarbon chain length on adsorption of cationic surfactants onto clinoptilolite
(Elsevier, 01.01.2003)The adsorption behavior of quaternary ammonium cationic surfactants with different hydrocarbon chain lengths, i.e. HDTMA (hexadecyltrimethylammonium), TDTMA (tetradecyltrimethy- lammonium) and DDTMA (dodecyltrimethylammonium), ... -
Effect of N2 + H2 gas mixtures in plasma nitriding on tribological properties of duplex surface treated steels
(Elsevier, 2008)Thermo-reactive diffusion chromizing followed by pulsed plasma nitriding were carried out on AISI 52100 and 8620 bearing steels. The chromized samples were pulse-plasma nitrided for 5 h at 500 °C in various N2–H2 gas ... -
Effect of pH and polymer charge density on settling rate and turbidity of natural stone suspensions
(Elsevier, 02.02.2005)In the present paper, the effects of suspension pH and charge density of anionic polyacrylamide (PAA) on flocculation behavior of two different natural stone suspensions (NSS) marble and travertine were investigated by ... -
The effects of 3D multi-user virtual environments on freshmen university students' conceptual and spatial learning and presence in departmental orientation
(Elsevier, 16.03.2016)Search ScienceDirect Advanced Outline Highlights Abstract Keywords 1. Introduction 2. Theoretical framework and relevant literature 3. Methodology 4. Findings 5. Discussion 6. Conclusion and future work Ackno ... -
The effects of boro-tempering heat treatment on microstructural properties of ductile iron
(Elsevier, March 2011)In this study, the effects of boro-tempering heat treatment on microstructural properties of ductile iron were investigated. Test samples with dimensions of 10 × 10 × 55 mm were boronized at 900 °C for 1, 3 and 5 h and ... -
Effects of infrared treatment on urease, trypsin inhibitor and lipoxygenase activities of soybean samples
(Elsevier, 2015)In this study, infrared (IR) treatment at different powers (814 W, 1003 W, 1208 W, 1342 W) and times (10 min, 15 min) were applied to unsoaked and soaked (30 min, 45 min) soybeans (cvs. Adasoy, Nazlican). Effects of IR ... -
Effects of La2O3 addition on the thermal stability of γ-Al2O3 gels
(Elsevier, 01.01.2004)The effects of La2O3 additions up to 5 wt.% on the thermal stabilities of sol-gel derived alumina gels were studied. Observations were made on pore size, total pore area, phase changes at various sintering temperatures ... -
Electrokinetic properties of clinoptilolite with mono- and multivalent electrolytes
(Elsevier, 09.09.2002)In this study, electrokinetic properties of clinoptilolite have been determined. A series of systematic zeta potential measurements have been performed to determine the isoelectric point (iep) and potential determining ... -
Evaluation of multi–hydrogen production for Afyon biogas plant from excess methane and by–product hydrogen sulfide through desulfurization process
(Elsevier, 28/11/2024)This study presents a detailed computational simulation of a hybrid hydrogen production system that integrates steam methane reforming (SMR) and hydrogen sulfide (H₂S) electrolysis, coupled with waste heat recovery, at the ... -
High-efficiency thermoeconomic approach for multi-generation at Afyon biogas power Plant: Electricity, liquid hydrogen, liquid carbon dioxide and hot water
(Elsevier, 02/09/2025)This study proposes a high-efficiency multi-generation model for the Afyon Biogas Power Plant (ABP), which has a 4000 kW electricity generation capacity. In addition to electricity production, the proposed model integrates ... -
Investigation of diffusion kinetics of borided AISI P20 steel in micro-wave furnace
(Elsevier, 2015)In present study, kinetics of borides formed on AISI P20 steel has been investigated by boronizing treatment which was carried out in Ekabor-II powders at the process temperatures of 1123, 1173 and 1223 K for 2, 4 and 6 h ... -
Investigation of electrochemical corrosion behavior in a 3.5wt.% NaCl solution of boronized dual-phase steel
(Elsevier, April 2013)In this study, corrosion behaviors of boronized and non-boronized dual-phase steel were investigated with Tafel extrapolation and linear polarization methods in a 3.5 wt.% NaCl solution. Microstructure analyses show that ...
