Başlık için Scopus İndeksli Yayınlar Koleksiyonu listeleme
Toplam kayıt 140, listelenen: 30-49
-
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. ... -
The effect of different mineral additives on non-wettability and surface energy of epoxy floor coating [Farklı mineral katkıların epoksi zemin kaplama malzemesinin ıslanmazlığına ve yüzey enerjisine etkisi]
(Gazi Üniversitesi, 01.02.2018)Bu çalışmada epoksi esaslı zemin kaplama malzemesinin ıslanmazlık ve yüzey enerjisi üzerine mineral katkı türü ve miktarının etkisi incelenmiştir. Mineral katkı olarak üç farklı atık ürün (uçucu kül, silis dumanı ve yüksek ... -
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 mineral admixture type on rheological properties of polymeric self-consolidating mortar [Kendiliǧinden yerleşen polimerik harçlarda mineral katkinin reolojik özeliklere etkisi]
(Gazi Üniversitesi, 24.02.2017)Polimer matrisli kompozitler, simetrik ve dengeli malzeme özelliklerine sahip olmaları, üretim ve kullanım kolaylıklarından dolayı inşaat, hava-uzay yapıları ve otomobil yapıları için popülerlik kazanmaktadır. Günümüzde ... -
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 ... -
Effect of sliding speed on friction and wear behaviour of borided gear steels
(Journal of the Balkan Tribological Association, 2014)In this study, the wear behaviour of GS18NiMoCr36 (GS18), GS22NiMoCr56 (GS22) and GS32NiCrMo6.4 (GS32) gear steels borided in Ekabor-II powder was investigated by conducting a series of experiments at temperatures ... -
The effect of voltage on the arc stud welding of microwave sintered Fe+Al powder mixture
(2014)The joining of powder metallurgy products is of importance because of high demand in many industrial applications. In this study, the effect of welding voltage on the joint quality has been investigated using discharge ... -
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 ... -
Effects of alcohols on the corrosion of aluminum alloys in 1 N HCl solution. Part II
(Pleiades Publishing, Ltd, 2008)The use of alcohols as cathodic inhibitors in HCl solution results in a negative shift of corrosion potential (Ecor). The alcohols concentration of 20 mM, was shown to be the best one. EDX analyses of the alloys showed ... -
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 CO2 and H2S on corrosion of martensitic steels in brines at low temperature
(Nace International, 2018)Corrosion studies were conducted for martensitic carbon steels in 5 wt% NaCl brine solutions at 4°C and 10 MPa (1,450 psi). These studies simulated different subsurface environments relevant to Arctic drilling. Here, two ... -
The effects of employee empowerment on employee job satisfaction: A study on hotels in Turkey
(2011)Purpose – The main objective of this study is to determine the impact of employee empowerment on job satisfaction. To serve this purpose, empowerment is taken into consideration as two dimensions – i.e. behavioral and ...