Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 123, listelenen: 61-80
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Synthesis and Characterization of SiO2NPs/MWCNTs Nanocomposite and Effect on the Properties of Na-Bentonite Water Based Drilling Fluids: Experimental Investigation
(IOP Publishing, 2020)Drilling fluid is an essential element of the drilling operations and has many functions. Some of these are wellbore cleaning, checking high formation pressures and corrosion protection, etc. This study aimed to determine ... -
Efficient Direct-Methanol Fuel Cell Based on Graphene Quantum Dots/Multi-walled Carbon Nanotubes Composite
(Wiley, 2020)Direct-methanol fuel cells are proton-exchange fuel cell in which methanol is used as the fuel. The important advantage of these fuel cells is the simplicity of transport and storage of methanol. In this study, methanol ... -
Enhancing electrochemical and electrochromic performances of carbazole comprising monomer via copolymerization with 3,4-ethylenedioxythiophene (EDOT)
(Elsevier, 2020)In this study, two novel electrochromic copolymers (CoP1.3 and CoP1.5) were synthesized via electrochemical methods and characterized. The comonomers used in the synthesis were 3,4-ethylenedioxythiophene (EDOT) and a ... -
Novel Research on CuONPs/MWCNTs Effect on the Properties of Na-Bentonite Water Based Drilling Muds with Experimental Study
(IOP Publishing, 2020)This novel research, aimed to improve the properties of Na-bentonite water based drilling mud (WBDM) and reduce its cost by adding multi-walled carbon nanotubes functionalized with copper oxide nanoparticles (CuONPs/MWCNTs). ... -
Production of Multi-Walled Carbon Nanotube and Graphene Doped Thermoplastic Polyurethane Fiber and Investigation of Mechanical Properties
(IOP Publishing, 2020)Nowadays nanofibers are used in many areas. Nanofibers produced by electrospinning are required to be porous, large surface area, lightweight and cost effective. In addition to being lightweight, nanofibers must also have ... -
Synthesis of a Multifunctional Quinoxaline and Benzodithiophene Bearing Polymer and Its Electrochromic Device Applications
(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 ... -
Selective Copper Recovery with HCl Leaching from Copper Oxalate Material
(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 ... -
Electromagnetic Scattering Properties of MWCNTs/Graphene Doped Epoxy Layered with PVC Nanofiber/E-Glass Composites
(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 ... -
Effect of Clinoptilolite-Rich Zeolite on the Properties of Water Based Drilling Fluid
(Parlar Scientific Publications (P S P), 2019)Wellbore instability is an important problem in drilling operation, especially in high temperature and pressure shale formations. This problem has been addressed using zeolite or other particles as drilling fluid additives. ... -
Investigation of electromagnetic properties of glass-fiber reinforced epoxy composites containing pan nanofibers with mwcnt/graphene additive
(Parlar Scientific Publications (P S P), 2019)In this work; the differences between of electromagnetic properties of glass fiber reinforced (GFR)-epoxy laminate composites with various nanoparticle doped polyacrylonitrile (PAN) fibers were investigated. The laminated ... -
The Rheology and Performance of Geothermal Spring Water-Based Drilling Fluids
(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 ... -
Usage of Olivine as Additive Material in Water-Based Drilling Muds
(Parlar Scientific Publications (P S P), 2019)Drilling is one of the most common methods for the production of fossil fuels or geothermal energy. The success of drilling operations depends on various parameters. One of these parameters is drilling mud. Drilling mud ... -
Comparison of stable isotope values of Quaternary calcretes from Adana and Mersin provinces: implications on controlling factors
(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 ... -
Investigation of the effects on rheological and filtration properties of water-based drilling mud of boron minerals: An experimental study
(Pamukkale University, 2019)The aim of this study is to determine the effect on the rheological and filtration properties of water based drilling fluid of boron minerals. For this purpose, water-based drilling mud was prepared and borax (Na2B4O7.10H2O) ... -
A Comprehensive Study on Fuel Adulteration Sensing by Using Triple Ring Resonator Type Metamaterial
(Electrochemical Society Inc., 2019)A novel shaped metamaterial sensor application which is designed to operate in X band is proposed. A new sample holder for easy operation is designed and placed just behind the proposed structure in X band. Since the ... -
Exergetic Simulation and Performance Analysis of the Effect of Flow Patterns in PEMFCs
(Int Center Applied Thermodynamics, 2019)In this study, 6 different novel flow channels of the "proton exchange membrane" (PEM) type fuel cells were designed and modeled, while evaluations were conducted on three-dimensional channels of various designs using ... -
Thiadiazoloquinoxaline and benzodithiophene bearing polymers for electrochromic and organic photovoltaic applications
(Taylor & Francis Ltd, 2019)Two novel thiadiazoloquinoxaline and benzodithiophene (BDT) bearing copolymers were designed and synthesized. Different BDT units (alkoxy and thiophene substituted) were used as donor materials and the effect of alkoxy and ... -
Effect of Carbon Nanotube Addition on the Superconducting Properties of BSCCO Samples Textured via Laser Floating Zone Technique
(Springer, 2019)In this research, the effect of carbon nanotube (CNT) addition on the structural and superconducting properties of Bi2Sr2CaCu2Oy + x wt% CNT materials with x = 0, 0.5, 1, and 3 prepared by solid state method, followed by ... -
Effect of Gold Nanoparticle Functionalized Multi-Walled Carbon Nanotubes on the Properties of Na-Bentonite Water Based Drilling Fluid
(Parlar Scientific Publications (PSP), 2020)This study aims to investigate and define the influence of gold nanoparticle functionalized multi-walled carbon nanotubes (AuNP/p-MWCNTs) on the performance of drilling fluids to make the drilling operation smooth and ... -
Oil and gas exploration in Seferihisar Uplift (Western Turkey) containing an operable-size gold deposit: Geochemical evidence for the presence of a working petroleum system
(Springer Heidelberg, 2020)In recent studies, the links between hydrocarbon accumulations and gold mineralizations have been examined. According to the results obtained from these studies, it has been reported that gold and hydrocarbons are carried ...
