Browsing Fakülteler by Author "Üreyen, Mustafa Erdem"
Now showing items 1-15 of 15
-
Affine contractions on the plane
Çelik, D.; Özdemir, Y.; Üreyen, Mustafa Erdem (2007)Contractions play a considerable role in the theory of fractals. However, it is not easy to find contractions which are not similitudes. In this study, it is shown by counter examples that an affine transformation of the ... -
Biology majors' performance in a biomathematics course
Mahir, Nevin; Çetin, Nezahat; Üreyen, Mustafa Erdem (Modestum LTD, 2007)The recent considerable developments in the field of biology have necessitated the knowledge of mathematics and its applications in biology. Therefore; most of the universities, now, believe that it is essential to include ... -
Determination of silver release from antibacterial finished cotton and polyester fabrics into water
Üreyen, Mustafa Erdem; Aslan, Çağdaş (Taylor & Francis LTD, 2017)Silver compounds have extensive use among the antimicrobial agents in textiles. Silver particles are released into the water during washing processes in particular and they are released from the textile in time due to use. ... -
Effect of zinc borate on flammability of pet woven fabrics
Üreyen, Mustafa Erdem; Kaynak, Elif (John Wiley and Sons Inc., 2019)Zinc borate (ZnB) has been used as a flame retardant, a smoke suppressant, and an antitracking agent in several applications. It may show synergistic effects with antimony oxide and metal hydroxides in fire retardant ... -
Egg Shell Powder Added Rigid Polyurethane Foams: the Investigation of Their Thermal Conductivity, Compressive Strength and Fire Behaviors
Erdem, Murat; Akdoğan, Emre; Üreyen, Mustafa Erdem; Uysal, Oktay; Kaya, Metin; Irmak, Ceren (Turkish Soc Thermal Sciences Technology, 2018)In this study, rigid polyurethane foam composites (SPKK's) containing egg shell powder (YKT) with different ratio were synthesized. YKT was characterized by using X-ray difractometer (XRD), X-ray fluorescence spectrometer ... -
Egg shell powder added rigid polyurethane foams: The investigation of their thermal conductivity, compressive strength and fire behaviors [Yumurta Kabuğu Tozu Katkılanmış Sert Poliüretan Köpükler: Termal İletkenlik, Basma Mukavemeti ve Yanma Davranışlarının İncelenmesi]
Erdem, Murat; Akdoğan, Emre; Üreyen, Mustafa Erdem; Uysal, Oktay; Kaya, Metin; Irmak, Ceren (Turk Isı Bilimi ve Teknigi Dernegi, 2018)In this study, rigid polyurethane foam composites (SPKK's) containing egg shell powder (YKT) with different ratio were synthesized. YKT was characterized by using X-ray difractometer (XRD), X-ray fluorescence spectrometer ... -
Evaluation of Silver Content and Antibacterial Activities of Silver Loaded Fiber/Cotton Blended Textile Fabrics
Üreyen, Mustafa Erdem; Gök, Özer; Ateş, Mustafa; Günkaya, Göktuğ; Suzer, Şefik (Ege Universityersitesi, 2010)The aims of this work were to analyze the antibacterial activity and laundering durability of the silver loaded cellulosic fiber/cotton blended antibacterial textile fabrics, to quantify the silver content present in ... -
Imparting multifunctional properties to pes/cotton woven fabrics by fluorocarbon and silver-based finishing agents
Üreyen, Mustafa Erdem; Doğan, Aydın; Koparal, Ali Savaş (Fiber Society, 2011)[No abstract available] -
Investigating the effect of silver doped bio-antibacterial finishing agent on the properties of knitted fabrics
Üreyen, Mustafa Erdem; Doğan, Aydın; Koparal, Ali Savaş (Fiber Society, 2010)[No abstract available] -
Measuring the Relative Efficiencies of Statistics Departments in Turkey Using Data Envelopment Analysis
İçöz, Cenk; Sönmez, Harun (2015)Bir eğitim sisteminin başarısındaki belirleyici faktörler: eğitim süreci içinde sunulan olanaklar ve eğitim süreci sonrası elde edilen yeterlilikler olabilmektedir. Bununla birlikte, eğitim sistemlerinin performanslarının ... -
Mechanical and permeability properties of sportech fabrics
Ünal, Pelin Gürkan; Üreyen, Mustafa Erdem (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2016)In the scope of this work, determination of the parameters that affect permeability properties and the proposition of fabric structures designed for the needs of different sports are aimed by measuring permeability properties ... -
Permeability properties of single jersey fabrics made of hollow yarns
Ünal, Pelin Gürkan; Üreyen, Mustafa Erdem (Taylor & Francis LTD, 2017)In this work effect of using hollow yarns on the permeability properties of the single jersey knitted fabrics were studied. Firstly yarns were produced by ring spinning machine using cotton, viscose and acrylic fibres in ... -
Structural and Antibacterial Properties of PP/CuO Composite Filaments Having Different Cross Sectional Shapes
Kara, Şükran; Üreyen, Mustafa Erdem; Erdoğan, U. H. (Carl Hanser Verlag, 2016)Textile scientists make researches for producing new types of fibers as well as modifying the existing fibers to provide new raw materials for technical textile applications. The easiest way of modifying fiber physical ... -
Thermal characterization and flammability of polypropylene containing sepiolite-APP combinations
Kaynak, Elif; Üreyen, Mustafa Erdem; Koparal, Ali Savaş (Walter De Gruyter GMBH, 2017)The effects of sepiolite on fire behavior of ammonium polyphosphate-based intumescent flame retardant (IFR)/polypropylene (PP) were investigated. The disaggregation of sepiolite bundles has been provided by wet-milling as ... -
Yumurta Kabuğu Tozu Katkılanmış Sert Poliüretan Köpükler: Termal İletkenlik, Basma Mukavemeti ve Yanma Davranışlarının İncelenmesi
Bu çalışmada; farklı kütlesel oranlarda yumurta kabuğu tozu (YKT) içeren sert poliüretan köpük kompozitler (SPKK) sentezlenmiştir. YKT, X-ışını kırınım difraktometresi (XRD), X-ışını floresans spektrometresi (XRF) ve Fourier ...