Dil "eng" Scopus İndeksli Yayınlar Koleksiyonu için listeleme
Toplam kayıt 133, listelenen: 21-40
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Damping properties of open pore aluminum foams produced by vacuum casting and NaCl dissolution process
(Metellurgija, Nisan 2013)In this study,damping ratios of 3 samples made of aluminum foam material, which have diff erent-density pores, were calculated, the eff ects pore density on damping were examined. Experimental modal analysis method was ... -
Data mining techniques for the prediction of Bohme surface abrasion rates from rock properties
(ASTM International, Ocak 2020)Abrasion refers to the wearing down of rock surfaces due to abrasive grains. Abrasion resistance refers to the ability of rocks to withstand wear. Abrasion resistance is used to determine the resistance of building ... -
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. ... -
Determination of diametral error using finite elements and experimental method
(Nisan 2010)This study concerns experimental and numerical analysis on a one-sided bound workpiece on the lathe machine. Cutting force creates deflection on workpiece while turning process is on. Deflection quantity is estimated ... -
Determination of equilibrium, kinetic and thermodynamic parameters of Acid Red 88 adsorption onto montmorillonitic clay
(OAIMDD-EcoZone Publishing House, 01.01.2015)The aim of this study is to evaluate adsorption kinetics, isotherms and thermodynamic parameters of anionic textile dye (Acid Red 88) onto montmorillonitic clay from aqueous solutions. The parameters of pH, initial dye ... -
Determining the effects of information security knowledge on Information security awareness via structural equation modelings
(Hacettepe Üniversitesi, 2019)The aim of this study is by investigating the Information Security Awareness of University Students via statistical techniques, revealing the existing awareness and giving some suggestions to improve this awareness. By ... -
Development of a relational database for learning management systems
(TOJET: The Turkish Online Journal of Educational Technology, Ekim 2011)In today’s world, Web-Based Distance Education Systems have a great importance. Web-based Distance Education Systems are usually known as Learning Management Systems (LMS). In this article, a database design, which was ... -
Diffusion bonding of AZ91 using a silver interlayer
(Nisan 2008)Diffusion bonding of AZ91 alloy with a silver interlayer was carried out at 480C for different times under 1 MPa in a vacuum of 2x10^-3Pa. Shear test was applied to measure the shear strengths of the joints in the room ... -
Diffusion bonding of electroless Ni plated WC composite to Cu and AISI 316 stainless steel
(2011)In this study, a composite containing WC (Tungsten Carbide) and Ni was produced by two different processing routes. Electroless Ni coated WC powders were consolidated and sintered at 1200 ◦C. Diffusion bonding couples of ... -
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 ... -
E-core of double sequences
(2014)Boos, Leiger and Zeller [1,2] defined the concept of e-convergence. In this paper we introduce the concepts of e-limit superior and inferior for real double sequences and prove some fundamental properties of e-limit ... -
The effect of 3-Methyl 1-Pentyn 3-ol on the corrosion of Al-Si-Cu alloys in acid solutions by using SEM, EDX and AAS
(Pleiades Publishing, Ltd, 2009)In this study, the effect of alloying elements on the corrosion of Al-Si-Cu alloys in H 2 SO 4 and HCl media content 3-methyl–1pentyn–3-ol (3mlp3ol) is investigated by using SEM, EDX, AAS. The effect of active elements and ... -
Effect of alcohol on the corrosion of al alloys in 1 N H2SO 4 solution Part i
(Pleiades Publishing, Ltd, 2008)The aim of this paper is to examine the effects of alcohol (1-buten–3-ol-l, 2-methyl–3-butyn–2-ol, 3-methyl–2-buten–1-ol, 3-methyl–3-buten–1-ol, 3-methyl–1-pentyn–3-ol, 5-hexen–1-ol) on the corrosion of Al alloys. The ... -
The effect of alcohol on the passivation of Al alloys in 1 N H 2 SO 4 solution
(Pleiades Publishing, Ltd, 2010)In this study, the influence of different alcohol on the passivation of aluminium alloys have been investigated by using current potential curves. Experimental results show that the addition of alcohol in H2SO4 solution ... -
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 mixing water types on the timedependent zeta potential of Portland cement paste
(De Gruyter, 18.03.2013)The measurement of zeta potential (ZP) has important applications in a wide range of industries including ceramics, pharmaceuticals, medicine, mineral processing, electronics, cement industry and water treatment. It ... -
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 effect of polypyrrole and nickel + polypyrrole coatings on corrosion behaviour AISI 304 stainless steel
(Pleiades Publishing, Ltd, 2015)Polypyrrole (PPy) and nickel + PPy (Ni + PPy) coatings have been occured on AISI 304 stainless steel (304 SS) surface by cyclic voltammetry technique in aqueous oxalic acid solutions and as the supporting electrolytes was ...