Başlık için Mühendislik Fakültesi / Faculty of Engineering listeleme
Toplam kayıt 642, listelenen: 47-66
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Bacterial hyaluronic acid production through an alternative extraction method and its characterization
(2019)BACKGROUND In this study, hyaluronic acid (HA) was produced using Streptococcus equi ssp. equi via an optimized Central Composite Design process, with purification by an alternative extraction method. Determinations of ... -
Ballistic performance of unidirectionally oriented carbon fiber reinforced composite armor with high-velocity impact
(2020)For the last few decades, composite materials have been more popular than other conventional metal materials in the aircraft industry. Having better mechanical properties (strength, fatigue life, impact strength, corrosion ... -
Beam Steering of Vortex Waves by A Phased Array Based on The Field Equivalence Principle
(2022)A further ability can be added to an existing phased array (PA) to include generation and steering of noncollimated or collimated electromagnetic (EM) vortex waves (VW). The concept is based on the EM field equivalence ... -
A benzimidazole-based turn-off fluorescent sensor for selective detection of mercury (II)
(2020)In this study, potential fluorescent sensing ability of a donor-acceptor-donor type conjugated molecule over various metal ions (Ni(II), Zn(II), Cu(II), Cd(II), Pb(II), Fe(II), Fe(III), As(III), Se(IV), Hg(I) and Hg(II)) ... -
Brain tumor prediction on MR images with semantic segmentation by using deep learning network and 3D imaging of tumor region
(2021)When it comes to medical image segmentation on brain MR images, using deep learning techniques has a significant impact to predict tumor existence. Manual segmentation of a brain tumor is a time-consuming task and depends ... -
Buffer Allocation and Performance Modeling in Asynchronous Assembly System Operations: An Artificial Neural Network Metamodeling Approach
(2007)This article investigates metamodeling opportunities in buffer allocation and performance modeling in asynchronous assembly systems ( AAS). Practical challenges to properly design these complex systems are emphasized. A ... -
Building a Graphical User Interface for Concrete Production Processes: A Combined Application of Statistical Process Control and Design of Experiment
(2019)Quality improvement and control in the manufacturing industry is a necessity for responding timely to increase customer needs and sustainability expectations. In order to decrease the variance in design and production ... -
Calibration of Quartz Tuning Fork transducer by coulometry for mass sensitive sensor studies
(2019)Mass-sensitive sensing has one main advantage: mass is one of the most fundamental properties of any analyte. They also require suitable recognition materials to ensure selectivity. Quartz Tuning Forks (QTFs) have been ... -
Calibration Transfer Between E-Noses
(2014)Electronic nose is an instrument which is composed of gas sensor array and pattern recognition unit. It is generally used for classifying, identifying or quantifying the odors or volatile organic components for these ... -
Can Sleep Apnea be Detected by Heart Sounds?
(2017)Objective: It has previously been shown that there are morphological changes in hearth sounds during respiration and holding breath. In this study, for the first time in the literature, it was investigated whether sleep ... -
Carbazole Based Electrochromic Polymers Bearing Ethylenedioxy and Propylenedioxy Scaffolds
(2018)In this study, synthesis of two new monomers; 2-(2,3-dihydrothieno[3,4-b] (1,4] dioxin-5-yl)-7(2,3-dihydrothieno [3,4-b][1,4]dioxin-7-yl)-9H-carbazole (ECzE) and 2-(3,3-dihexy1-3,4-dihydro2H-thieno[3,4-b][1,4]dioxepin-6y ... -
A Case Study on Shopping Malls Attributes for Young Consumers
(2016)Purpose - This study aims to determine the mall criteria that are the most crucial for the youth market by determining the winning brand in comparison to other offerings to understand what is required to gain a competitive ... -
A Case Study on the Utilization of Problem and Solution Domain Measures for Software Size Estimation
(2016)Detailed requirements is the primary input of software size measurement and effort estimation methodologies and a significant amount of time and expertise is needed for size measurement. In order to streamline size measurement ... -
CFD vs. XFOIL of Airfoil Analysis at Low Reynolds Numbers
(2016)For Blade Element Momentum (BEM) theory, the airfoil data needs to be as accurate as possible. Nowadays, Computational Fluid Dynamics (CFD) is used for optimization and design of turbine application. Lift coefficient, drag ... -
Change Detection of Urban Areas in Ankara through Google Earth Engine
(2018)Rapid urbanization with inadequate planning can have negative impact on the cities with growing population. Maintaining sustainable urban development and planning becomes one of the major necessity for the government and ... -
Characteristics of CZTSSe Thin Films Prepared by Selenization of Sputtered Cu, Sn and ZnS Layers
(2019)We reported the growth of CZTSSe thin films on Mo-coated SLG substrates by the two-step approach which includes the deposition of precursor films by the magnetron sputtering method at room temperature followed by selenization ... -
Characterization of Cu2ZnSnS4 thin films prepared with and without thin Al2O3 barrier layer
(2022)We investigated the effect of thin Al2O3 barrier layer (similar to 20 nm) deposited by radio frequency magnetron sputtering technique on the structural, morphological, optical, and electrical properties of Cu2ZnSnS4 (CZTS) ... -
Charged de Sitter-like black holes: quintessence-dependent enthalpy and new extreme solutions
(2015)We consider Reissner-Nordstrom black holes surrounded by quintessence where both a non-extremal event horizon and a cosmological horizon exist besides an inner horizon (-1 = omega < - 1/3). We determine new extreme black ... -
Chasing the black electrochromism: A new electrochromic copolymer based on 4,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)benzo[c][1,2,5]thia-diazole and ProDOT
(2022)Absorbing all the visible light, in other words, neutral state black electrochromics has a great importance for certain applications such as smart windows, electronic papers, car rear views or displays. In this study, it ... -
Chemical Insight Into Benzimidazole Containing Donor-Acceptor-Donor Type Pi-Conjugated Polymers: Benzimidazole As An Acceptor
(2018)Benzimidazoles are commonly used as an electron acceptor unit in the synthesis of donor acceptor donor type conjugated polymers. This review offers an overview of the utility of benzimidazole derivatives in the synthesis ...
