• Two-Variable Type 2 Poly-Fubini Polynomials 

  Muhiuddin, Ghulam; Khan, Waseem Ahmad; Duran, Uğur (MDPI, 2021)

  In the present work, a new extension of the two-variable Fubini polynomials is introduced by means of the polyexponential function, which is called the two-variable type 2 poly-Fubini polynomials. Then, some useful relations ...

• Synthesis and characterization of whitlockite from sea urchin skeleton and investigation of antibacterial activity 

  Yücel, Ayşegül; Sezer, Selda; Birhanlı, Emre; Ekinci, Tuba; Yalman, Emine; Depci, Tolga (Elsevier, 2021)

  In the present study, undoped whitlockite and ZnO doped-Whitlockite, which is the second most abundant inorganic material in bone structure, were synthesized from sea urchin skeleton. The obtained bioceramic ma-terials ...

• Age, growth and mortality estimates of Sillago suezensis from Iskenderun Bay, northeastern Mediterranean Sea 

  Ergüden, Deniz; Doğdu, Servet Ahmet (Cahiers de Biologie Marine, 2020)

  The age composition, growth parameters, size distribution and sex ratio of Sillago suezensis caught from Iskenderun Bay in Northeastern Mediterranean Sea were investigated. Female and male composition of the population was ...

• Multiple-criteria approach of the operational performance evaluation in the airline industry: Evidence from the emerging markets 

  Bakır, Mahmut; Akan, Şahap; Kiracı, Kasım; Karabasevic, Darjan; Stanujkic, Dragisa; Popovic, Gabrijela (Institute for Economic Forecasting, 2020)

  The main objective of this study is to develop a multiple-criteria decision-making (MCDM) model in order to evaluate the operational performance of airlines operating in emerging markets. In this respect, the manuscript ...

• The Determinants of Airline Operational Performance: An Empirical Study on Major World Airlines 

  Kiracı, Kasım; Yaşar, Mehmet (Sosyoekonomi, 2020)

  The air transport industry is a dynamic sector and operates in a dynamic environment. This situation leads to intense competition among airlines and, consequently, to a search for new methods to improve the operational ...

• Convergence of Military Burdens in the MENA Region 

  Yılancı, Veli; Eryüzlü, Hakan; Hopoğlu, Sertaç (International Relations Council of Turkey, 2020)

  Military burdens in hostile environments may be high, as countries choose to spend on the military for deterrence purposes. In this study, we test whether the convergence hypothesis is valid for military burdens of a panel ...

• A value chain analysis of a seaport from the perspective of Industry 4.0 

  Baştuğ, Sedat; Arabelen, Gamze; Vural, Ceren Altuntaş; Deveci, Durmuş Ali (Inderscience Publishers, 2020)

  The main aim of this study is to reveal the role and contribution of Industry 4.0 in the value chain of seaports. It first reviews the literature to identify value chain activities in the port industry. It then explores ...

• Electricity production by wet type top-pressure recovery turbine in blast furnaces 

  Mert, İlker; Karakuş, Cuma; Gençoğlu, Ali (Pamukkale Üniversitesi, 2020)

  Today, the iron and steel industry is critical to energy consumption. The high energy demand of the iron and steel production process brings along high costs. This leads to the need to reduce energy demand and develop ...

• Investigation of the Effect of Digital Storytelling on Cultural Awareness and Creative Thinking 

  Karakuş, Memet; Türkkan, Buket Turhan; Namlı, Nihan Arslan (Turkish Education Association, 2020)

  In this study, the effects of the teaching of the life science course performed using Storyjumper software- one of the Web 2.0 tools-, on primary school second grade students' cultural awareness and creative thinking skills ...

• The responses of net ecosystem production to climate change: A modelling study to identify the sink and source of carbon regions at the pan-european scale 

  Sakallı, Abdulla (Corvinus University of Budapest, 2020)

  Identifying sinks or sources of CO2 in the terrestrial biosphere has become an important topic in the last decades. Net Ecosystem Production (NEP) is one of the most used parameters for the understanding and visualization ...

• Effects of Marigold (Tagetes erecta) and Synthetic Carotenoid on Growth Performance and Skin Coloration of Blue Streak Hap (Labidochromis caeruleus) and Pindani (Pseudotropheus socolofi) Fry (Cichlidae) 

  Çavdar, Nuran; Aktaş, Mevlüt; Genç, Ercüment (Ankara University, 2020)

  This study was designed to determine the ideal dosages of marigold (Tagetes erecta) and synthetic carotenoid in blue streak hap (Labidochromis caeruleus) and pindani (Pseudotropheus socolofi) fry (Cichlidae), and to compare ...

• First and second law-based thermal optimisation of the Kalina cycle integrated into an existing burner-based cogeneration system using waste chips as fuel 

  Koç, Yıldız; Aksar, Merve; Yağlı, Hüseyin (Inderscience Publishers, 2020)

  Due to increasing energy demand and decreasing fossil resources, the optimisation of existing systems has a critical role to minimise energy consumption and diminish the adverse effect of power systems on the environment. ...

• Analysis of model helical piles subjected to axial compression 

  Türedi, Yakup; Örnek, Murat (Union of Croatian Civil Engineers and Technicians, 2020)

  An investigation into axial compression capacity of single helical piles placed in dry sand through laboratory model tests and numerical analyses is presented. The compressive bearing capacities were compared with existing ...

• Dynamic coefficient-based cluster head election in wireless sensor networks 

  Turgut, İpek Abasıkeleş (Pamukkale Üniversitesi, 2020)

  Owing to the fact that the selection of cluster heads has a significant effect on the lifetime of the network, many researches have proposed various cluster head election methodologies for cluster-based WSNs. Although ...

• Improving Autonomous Performance of a Passive Morphing Fixed Wing UAV 

  Çoban, Sezer; Bilgiç, Hasan Hüseyin; Akan, Ercan (Kauno Technologijos Universitetas, 2020)

  In this article, simultaneous longitudinal and lateral flight control systems design for both passive and active morphing unmanned aerial vehicles (UAVs) is first time applied for autonomous flight performance maximization. ...

• Chronic obstructive pulmonary disease severity analysis using deep learning on multi-channel lung sounds 

  Altan, Gökhan; Kutlu, Yakup; Gökçen, Ahmet (Türkiye Klinikleri, 2020)

  Chronic obstructive pulmonary disease (COPD) is one of the deadliest diseases which cannot be treated but can be kept under control in certain stages. COPD has five severities, including at-risk, mild, moderate, severe, ...

• Evaluation of an urban area in cold climate with a new perspective: exergoeconomic analysis 

  Mert, Yelda; Mert, Suha Orçun (Inderscience Publishers, 2020)

  The exergoeconomic analysis of an urban area is introduced in this study, performed in an annual energy interaction basis. The investigated period covers the year of 2016, and indoor and outdoor temperatures, construction ...

• Synthesis and Characterization of SiO2NPs/MWCNTs Nanocomposite and Effect on the Properties of Na-Bentonite Water Based Drilling Fluids: Experimental Investigation 

  Özkan, Vildan; Özkan, Abdullah; Asker, Nilay Hayriye (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 ...

• Tunable left-hand characteristics in multi-nested square-split-ring enabled metamaterials 

  Abdulkarim, Yadgar. I.; Deng, Lian-wen; Yang, Jun-liang; Çolak, Şule; Karaaslan, Muharrem; Huang, Sheng-xiang; He, Long-hui; Luo, Heng (Central South University of Technology, 2020)

  Left-hand materials have drawn increasing attention from many disciplines and found widespread application, especially in microwave engineering. A sandwiched metamaterial consisting of multi-nested square-split-ring ...

• Evaluation of Airlines Performance Using an Integrated Critic and Codas Methodology: The Case of Star Alliance Member Airlines 

  Kiracı, Kasım; Bakır, Mahmut (Sciendo, 2020)

  In the airline industry where intense competition has taken place, performance evaluation is vital for airlines to achieve their goals and to gain a competitive advantage. This study aims to evaluate the performance of ...

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