Erişim şekli için "info:eu-repo/semantics/closedAccess" listeleme
Toplam kayıt 87, listelenen: 21-40
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Demokratik anayasada vergilendirme yetkisi
(Ord. Prof. Dr. Ali Fuat Başgil’in Anısına Armağan, 2019)Halkın halk tarafından ve halk için yönetim tarzı olan demokrasi, özellikleri ile kendisini anayasalarda gösterir. Ülkemizde de uzunca bir süredir sivil, demokratik ve çoğulcu bir anayasaya ihtiyaç olduğu tüm kesimler ... -
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 ... -
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 H2S and CO2 on Cement/Casing alloy interface corrosion integrity for cold climate oil and gas well applications
(The Electrochemical Society, 2016)A study has been carried out to investigate sweet and sour corrosion at the cement-casing interface for offshore oil and gaswells in cold climate. The test solution chemistry was determined by sampling pore water from ... -
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 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 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 ... -
Effects of CO2 and H2S on corrosion of martensitic steels in NaCl(aq) at low temperature
(Nace International, 2016)Corrosion studies were conducted for martensitic carbon steels in brine solutions at 4 °C and 10 MPa (1450 psi), which simulated the subsurface environments encountered in Arctic drilling. Three environments with a 5 % wt. ... -
Effects of H2S and CO2 on Cement/Casing interface corrosion integrity for cold climate oil and gas well applications
(The Electrochemical Society, 2016)Low-temperature corrosion relevant to oil and gas wells was investigated. Casing cement was exposed to brine in contact with CO2 at 4 °C and 10 MPa. Pore water was extracted from wet cement using a die press, and a cement ... -
Effects of infrared treatment on tocopherols, total phenolics and antioxidant activity of soybean samples
(Wageningen Academic, 2016)In this study, infrared treatment at different powers (814, 1,003, 1,208, 1,342 W) was applied to unsoaked and soaked (30 min, 45 min) soybeans (cvs. Adasoy and Nazlican) for 10 or 15 min. Effects of infrared treatment on ... -
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 ... -
The effects of North Atlantic and Arctic oscillations over winter precipitation values of selected stations in Turkey
(St. Kliment Ohridski University Press, 2016)The most effective component and element effective on the climate is the ocean current system. Especially, as a result of the scientific studies carried out by climate scientists in the last quarter of the 20th century, ... -
The effects of servicescape on the emotional states and behavioural responses of hotel guests
(2019)The aim of this paper is to reveal the influence of servicescape of hotel businesses on the emotional states and behavioural responses of guests. Data collected from 211 participants, was tested by using Regression Analysis ... -
Electrochemical corrosion behavior of high strength carbon steel in H2S-Containing alkaline brines
(The Electrochemical Society, 2015)The electrochemical corrosion behavior of high strength low alloy carbon steel API S-135 was investigated using in-situ electrochemical measurements, ex situ surface analyses, and software modeling in the alkaline brines ... -
Electrochemical determination of bisphenol a with pencil graphite electrodes modified with Co(II), Ni(II), Cu(II) and Fe(II) phthalocyaninetetrasulfonates
(The Japan Society for Analytical Chemistry, 2016)Pencil graphite electrodes modified with Co(II), Ni(II), Cu(II) and Fe(II) metallophthalocyaninetetrasulfonates (MePcTSs) were investigated for electrochemical determination of bisphenol A (BPA). Electrochemical performances ... -
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 ... -
Exchange risk perception and exchange risk management: A regional application in Turkey’s manufacturing firms
(Emerald Publishing Limited, 2.09.2020)The most important result obtained in the study is that the majority of the companies, which operate in a competitive environment, are intensely exposed to foreign exchange risk but try to overcome the foreign exchange ... -
Improvement of energy efficiency using a multi-input fuzzy logic controller in a stone cutting machine
(ASTM, 2018)Block cutter machines (BCMs) are commonly used in the manufacturing of natural stones. Although the energy consumption of the BCM is affected by the rotation speed of the blade, depth of cut, and traverse speed, these ...