Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 114, listelenen: 21-40
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Cost Analysis of Inhibitive Drilling Fluids
(International journal of energy studies, 2021)The main objective of this study is to provide a better understanding of inhibitive water-based drilling fluid's central cost drivers. In this study a comparison of costs is provided between two polymer drilling fluid ... -
Biochar Produced from Co-Pyrolysis of Olive Pomace & Crude Oil as an Adsorbent for Cr (VI) Removal from Aqueous Solutions
(Iranian Institute of Research and Development in Chemical Industries, 2022)This study investigated aqueous solution treatment to remove Cr (VI) using a biochar-based adsorbent. Olive pomace and crude oil were used to synthesize the biochar adsorbent via co-pyrolysis for the first time. The biochar ... -
Analysis of various flow field designs for PEM fuel cells used in vehicular systems through 3D modelling
(MIM Research Group, 2022)The importance of green energy has increased in recent years. Vehicles that don't run on fossil fuels and have zero CO2 emissions are on the agenda of many developed countries. Battery-based vehicles have long charge times ... -
A New Insight into Formulation Approach for Water Based Drilling Fluids
(Slovnaft VURUP a.s, 2022)The objective of this study is to develop a water-based drilling fluid with enhanced rheological and filtation characteristics by using a coal combustion by product which is known as fly ash (CCA). To this end, initially, ... -
Low temperature thermoelectric properties of Na-substituted Bi2Ca2Co2Oy ceramics fabricated via LFZ technique
(Elsevier, 2022)In this work, Bi2Ca2-xNaxCo2Oy with x = 0.0, 0.05, 0.10, and 0.125 thermoelectric ceramic materials have been produced by the classical solid-state route, followed by texturing through the laser floating zone (LFZ) method. ... -
Detailed low temperature studies on thermoelectric performance of K-doped Bi2Ca2Co2Oy ceramics fibers
(Institute of Physics, 2022)The effect of K substitution for Ca in Bi2Ca2-xKxCo2Oy (x = 0.0, 0.05, 0.075, 0.10, and 0.125) thermoelectric ceramics, produced via laser floating zone (LFZ) method, have been systematically investigated. XRD patterns are ... -
An Innovative Experimental Study on Improving the Rheological Properties of Na-Bentonite Water Based Drilling Muds using Graphene, Graphene Oxide and Graphene Oxide Functionalized with Gold Nanoparticles
(Institute of Physics, 2022)In this study; it is aimed to improve the rheological properties of Na-Bentonite water based drilling muds (WBDM) by graphene, graphene oxide (GO) and graphene oxide functionalized with gold nanoparticles (AuNPs/GO) at ... -
A Review on Wind Power Forecasting Regarding Impacts on the System Operation, Technical Challenges, and Applications
(Wiley, 2022)Wind power forecasting's (WPF) technical improvements exhibit that the smooth forecasting of wind power is essential in executing operational management like energy balance, grid reliability, scheduling maintenance, and ... -
A new approach to estimate drilling time, rate of penetration, and drillability of formations in oil and gas exploration and production basins of Turkey
(Springer, 2022)It is of great importance that the drilling program required for the newly drilled wells is estimated by using the drilling data of the previously drilled wells in a field or basin to complete the drilling under economic ... -
The determination of the molecular weight profiles and biochemical compositions eight macroalgae species from Turkey
(Islamic Azad University of Tonekabon, 2022)Algae biomass could be one of the most important economic values in near future. For this reason, we determined the biochemical compositions and molecular weight profiles (MWPs) of eight macroalgae; Green Algae (Codium ... -
Development of novel inhibitive water-based drilling muds for oil and gas field applications
(Elsevier, 2022)The aim of this study is to develop inhibitive drilling fluid systems generated from waste materials that can contribute to the reduction of potential well instability problems caused by drilling fluid based on rheological ... -
Multipurpose acetic acid functionalized carbazole derivatives: Synthesis, electrochemical properties and electrochromic device applications
(Elsevier, 2022)In this study, synthesis of two multifunctional acetic acid functionalized carbazole bearing monomers; 2-(3,6-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-9H-carbazol-9-yl)acetic acid (M1) and 3,6-dithien-2-yl-9H-carbaz ... -
Characterization and evaluation of the antimicrobial properties of algal alginate; a potential natural protective for cosmetics
(Marmara University, 2022)Sargassurn vulgare was sampled by free dives in Iskenderun Bay, Hatay, Turkey, in September 2018. Sargassum vulgare is a material with high economic value because it has compounds that can be used in medical applications ... -
Development of Water-Based Drilling Fluid in Miticration of Differential Sticking Tenuency
(University of Zagreb, 2022)The objective of the study is to design a drilling fluid that prevents differential pressure pipe sticking tendency caused by drilling fluid with fly ash that is an industrial waste generated from the combustion of coal. ... -
Adsorption of Cr(VI) onto cross-linked chitosan-almond shell biochars: equilibrium, kinetic, and thermodynamic studies
(Springer, 2021)In this study, to remove Cr(VI) from the solution environment by adsorption, the almond shell was pyrolyzed at 400 and 500 degrees C and turned into biochar (ASC400 and ASC500) and composite adsorbents were obtained by ... -
Farklı Konfigürasyonlarda Çelik Metamalzemeler Kullanarak Sismik Etkilerin Azaltılması
(Türk deprem araştırma dergisi (Online), 2021)Depremlerin yıkıcı etkilerini azaltmak için yapılan çalışmalar, son zamanlarda üzerinde durulan araştırma konuları arasındadır. Bu çalışmada, kare, üçgen, sinüs ve daire olmak üzere dört farklı saha dizisinde çelik met ... -
Tuning thermoelectric properties of Bi2Ca2Co2Oy through K doping and laser floating zone processing
(Elsevier, 2021)In the present study, thermoelectric Bi2Ca2-xKxCo2Oy ceramic materials (x = 0.0, 0.05, 0.075, 0.10, and 0.125) in different forms (called bulk, as-grown and annealed fibers) have been manufactured via a classical solid-state ... -
Non-fullerene organic photovoltaics based on thienopyrroledione comprising random copolymers; effect of alkyl chains
(Elsevier, 2021)Two new random donor-acceptor (D-A) copolymers, signed as P1 and P2, were designed and synthesized. Electrochemical and spectroelectrochemical measurements were performed to investigate absorption, energy levels, electronic ... -
Natural hydroxyapatite obtained from pufferfish teeth for potential dental application
(Hanyang University, 2021)Hydroxyapatite and associated calcium phosphate ceramic materials are commonly applied as implant resources because of their close resemblance in structure with natural bone. In the present study, the elemental composition ... -
Low Velocity Impact and Tensile Performance of GFRPs Interleaved with Electrospun Nylon 6,6 Nanofiber Mats
(Strojarski Facultet, 2021)Nanofibers can be interleaved into polymers and improvements in mechanical properties such as resistance to impact, delamination and debonding as well as enhanced ductility can be obtained. In this work, GFRP laminated ...
