• Monitoring patient dissatisfaction: a methodology based on SERVQUAL scale and statistical process control charts 

  Altuntaş, Serkan; Dereli, Türkay; Kaya, İhsan (Taylor & Francis Online, 2020)

  In this study, a methodology has been suggested to monitor patient dissatisfaction in hospitals. The proposed methodology uses the service quality (SERVQUAL) scale and statistical process control charts, namely standardised ...

• The controllable deposition of large area roll-to-roll sputtered ito thin films for photovoltaic applications 

  Demirhan, Yasemin; Köseoğlu, Hasan; Türkoğlu, Fulya; Uyanık, Zemzem; Özdemir, Mehtap; Aygün, Gülnur; Özyüzer, Lütfi (Pergamon-Elsevier Science, 2020)

  In the present study, using a large area roll-to-roll DC magnetron sputtering system deposition of ITO thin films on polyethylene terephthalate (PET) substrates were achieved. In order to investigate the effect of growth ...

• Design of a metamaterial inspired omega shaped resonator based sensor for industrial implementations 

  Altıntaş, Olcay; Aksoy, Murat; Ünal, Emin (Elsevier, 2020)

  In this study, the omega shaped resonator based sensor structure by inspiring of metamaterial (MTM) concept is presented at X-band frequency regime for industrial purpose both numerically and experimentally. Four distinguishing ...

• An Investigation on Cutting of the MWCNTs-Doped Composite Plates by AWJ 

  Ceritbinmez, Ferhat; Yapıcı, Ahmet (Springer Heidelberg, 2020)

  In this study, cutting of multi-walled carbon nanotubes (MWCNTs)-doped composite sheets by abrasive water jet machining (AWJM) and the effects of the water jet on cut composite materials were analyzed. The influence of ...

• Characterization of chiral metamaterial sensor with high sensitivity 

  Dalgaç, Şekip; Bakır, Mehmet; Karadağ, Faruk; Ünal, Emin; Karaaslan, Muharrem; Sabah, Cumali (Elsevier Gmbh, 2020)

  In this study, a chiral metamaterial sensor applications are created by placing asymmetrically two meander line front and back side of the substrate layer. Characterization of the dielectric constant, thickness and loss ...

• Copolymerization of Azobenzene-bearing Monomer and 3,4-Ethylenedioxythiophene (EDOT): Improved Electrochemical Performance for Electrochromic Device Applications 

  Hacıoğlu, Şerife Özdemir (Springer, 2020)

  In this study, novel electrochromic copolymers of 3,4-ethylenedioxythiophene (EDOT) and (E)-1,2-bis(2-fluoro-4-(4-hexylthiophen-2-yl)phenyl)diazene (M1) with different monomer feed ratios were designed and synthesized ...

• Properties and High-Temperature Wear Behavior of Remelted NiCrBSi Coatings 

  Günen, Ali; Çürük, Ahmet (Springer, 2020)

  Remelted NiCrBSi coatings were examined using optical microscopy, scanning electron microscopy, energy dispersive spectroscopy, x-ray diffraction analysis, microhardness and wear testing. After wear tests, the surfaces of ...

• Properties and High Temperature Dry Sliding Wear Behavior of Boronized Inconel 718 

  Günen, Ali (Springer, 2020)

  Silicide-free boride layers were grown on Inconel 718 Ni-based superalloy surface at 850 degrees C, 950 degrees C, and 1050 degrees C for 2, 4, 6 hour by the powder pack-boronizing process using nano-sized B4C powders. The ...

• Novel Metamaterials-Based Hypersensitized Liquid Sensor Integrating Omega-Shaped Resonator with Microstrip Transmission Line 

  Abdulkarim, Yadgar I.; Deng, Lianwen; Karaaslan, Muharrem; Altıntaş, Olcay; Awl, Halgurd N.; Muhammadsharif, Fahmi F.; Liao, Congwei; Ünal, Emin; Luo, Heng (Mdpi, 2020)

  In this paper, a new metamaterials-based hypersensitized liquid sensor integrating omega-shaped resonator with microstrip transmission line is proposed. Microwave transmission responses to industrial energy-based liquids ...

• Synthesis of a Multifunctional Quinoxaline and Benzodithiophene Bearing Polymer and Its Electrochromic Device Applications 

  Yaşa, Mustafa; Sürmeli, Seher; Depci, Tolga; Toppare, Levent; Hacıoğlu, Şerife Özdemir (Wiley-V C H Verlag Gmbh, 2020)

  A quinoxaline (Qx) and benzodithiophene (BDT) comprising of random copolymers, namely poly(5-(6-(5-(4,8-bis((2-ethylhexyl)oxy)benzo[1,2-b:4,5-b ']dithiophen-2-yl)-4-(2-ethylhexyl)thiophen-2-yl)-4,8-bis ((2-ethylhexyl)oxy ...

• Microfluidic sensor applications by using chiral metamaterial 

  Dalgaç, Şekip; Bakır, Mehmet; Karadağ, Faruk; Karaaslan, Muharrem; Akgöl, Oğuzhan; Ünal, Emin; Sabah, Cumali (World Scientific Publishing Company, 2020)

  Chiral metamaterial-based sensor is designed for sensing the change in substance ratio of chemical substances when combined with distilled water. These samples have been prepared with 10%, 50% and 90% volume fraction of ...

• Improving a battery charger architecture for electric vehicles with photovoltaic system 

  Yılmaz, Ünal; Türksoy, Ömer; Teke, Ahmet (Wiley, 2020)

  In this study, a two-stage battery charger architecture with high-efficiency, multi-input, and output half-bridge LLC (HBLLC) resonance converter that performs a wide load range is proposed. The first input of the HBLLC ...

• Review of experimental photon-induced Kβ/Kα intensity ratios 

  Daoudi, Salim; Kahoul, Abdelhalim; Aylıkçı, Nuray Küp; Sampaio, Jorge Miguel; Marques, J. P.; Aylıkçı, Volkan; Yassine, Sahnoune; Kasri, Y.; Bahri, Deghfel (Academic Press Inc Elsevier Science, 2020)

  In this paper, we present a compilation of the measured photon-induced K-beta/K-alpha intensity ratio values published in the literature from 1969 to 2018. In the considered period, we found about 1118 values (127 papers) ...

• Selective Copper Recovery with HCl Leaching from Copper Oxalate Material 

  Sarı, Zeynel Abidin; Turan, M. Deniz; Nizamoğlu, Hasan; Demiraslan, Aslıhan; Depci, Tolga (Springer Heidelberg, 2020)

  In this study, recovery of copper from solid material (obtained by leaching of chalcopyrite with oxalic acid in the presence of hydrogen peroxide) with a copper oxalate structure was carried out selectively using HCl. The ...

• Position resolution study at high energies of a sampling electromagnetic calorimeter whose active material is a scintillator with Peroxide-cured polysiloxane base 

  Aydın, Güral; Sarıgül, Mehmet; Sarıgül, Hasan (Elsevier, 2020)

  This study is based on the simulation for the position resolution performances of a sampling electromagnetic calorimeter with a Peroxide-cured polysiloxane based scintillator as an active material. Various algorithms and ...

• Electromagnetic Scattering Properties of MWCNTs/Graphene Doped Epoxy Layered with PVC Nanofiber/E-Glass Composites 

  Özkan, Vildan; Yapıcı, Ahmet; Karaaslan, Muharrem; Akgöl, Oğuzhan (Springer, 2020)

  In this study, composites composed of glass fiber reinforced-epoxy laminates interleaved with electrospun polyvinylchloride (PVC) nano-fibres were designed for radar absorption investigations. The laminated composites which ...

• Metamaterial based sensor integrating transmission line for detection of branded and unbranded diesel fuel 

  Tamer, Ahmet; Karadağ, Faruk; Ünal, Emin; Abdulkarim, Yadgar, I.; Deng, Lianwen; Altıntaş, Olcay; Karaaslan, Muharrem (Elsevier, 2020)

  In this paper, a high sensitive metamaterial - based liquid sensor employing microstrip transmission line have been designed and investigated for detection of authentic and inauthentic diesel samples both numerically and ...

• The Rheology and Performance of Geothermal Spring Water-Based Drilling Fluids 

  Avcı, Emine; Mert, Bayram Ali (Wiley-Hindawi, 2019)

  In this study, the rheological properties and performances of mud prepared with geothermal spring water to be used by geothermal drilling operators were examined at ambient and elevated temperatures. In this context, mud ...

• Comparison of stable isotope values of Quaternary calcretes from Adana and Mersin provinces: implications on controlling factors 

  Eren, Muhsin; Yeşilot Kaplan, Meryem; Kadir, Selahattin; Kapur, Selim (Scientific Technical Research Council Turkey-Tubitak, 2019)

  Calcretes are widespread in Adana and Mersin provinces and form under different morphologies. Most calcrete profiles comprise a hard laminated crust/hardpan at the top, gradually intergrading into the nodular and/or ...

• Multifarious correlations for p-adic gamma function and weighted q-Daehee polynomials 

  Duran, Uğur; Açıkgöz, Mehmet (Maejo University, 2019)

  Diverse relations and identities for p-adic gamma function and p- adic Euler constant by means of weighted p-adic q-integral on pZ and Mahler expansion of the function are investigated. Then several correlations and formulas ...

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