DSpace@MEF: Güncel gönderi
Toplam kayıt 40, listelenen: 1-20
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The effects of ultrasound parameters and microbubble concentration on acoustic particle palpation
(Acoustical Society of America, 2018-08-17)The elasticity of tissue—an indicator of disease progression—can be imaged by ultrasound elasticity imaging technologies. An acoustic particle palpation (APP) has recently been developed—the use of ultrasonically driven ... -
Detection of air leakage into vacuum packages using acoustic measurements and estimation of defect size
(Elsevier Ltd., 2019-01-01)Air leakages in food and ingredient packages which are sealed in vacuum environments may cause a marked deterioration of the product, leading to a loss of functionality. Manufacturers of such products have very stringent ... -
Lessons from the rector of the first fully flipped learning university
(FLR The Flipped Learning 3.0 Magazine, 2018-05-08)Sahin: MEF Educational Institutions was founded in the 1970s by İbrahim Arıkan, an educator and businessman. In 1996, he founded MEF national and international K-12 schools in Istanbul and Izmir. In 2013, he founded MEF ... -
Investigation of the vibro-acoustic behaviors of luffa bio composites and assessment of their use for practical applications
(The International Institute of Acoustics and Vibration, 2016-07-10)New materials as alternatives to petroleum-based composite materials are needed due to adverse effects of chemical materials on nature. On the other hand, there is a need to characterize and evaluate new alternative materials ... -
On the difficulties in manufacturing of luffa fibers reinforced bio-composites and variations in their dynamic properties
(Institute of Noise Control Engineering, 2016)Defects in raw bio materials such as luffa plant effect the characteristics of the composites of these materials. These defects results in structural differences and large scattering mechanical properties such as density, ... -
Application of ultrasonic vibrations for minimization of the accumulation of limescale in steam irons
(Elsevier Ltd., 2018-06-01)The accumulation of limescale in steam irons can significantly reduce the ironing efficiency. It is this problem that inspired us to introduce ultrasonic vibrations to irons in order to minimize limescale accumulation. ... -
Identification of the Dynamic Characteristics of Luffa Fiber Reinforced Bio-Composite Plates
(NC State University, 2017-06-07)Luffa cylindrica plant fiber is a new biodegradable engineering material. However, the dynamic behaviors of these new green materials or their composites should be explored to consider them for practical applications. The ... -
Identification of crack noises in household refrigerators
(Elsevier Ltd., 2015-03-01)The crack noises propagating from a refrigerator disturb residents in a household; however, the reasons behind the mechanisms of such noises have not been identified yet. In this study, the crack noises in modern household ... -
Characterization of Viscoelastic Materials Using Free-Layered and Sandwiched Samples: Assessment and Recommendations
(Polish Physical Society, 2015-04-01)Viscoelastic materials are widely used in many applications in practice. However, determination of the elastic and damping properties of these materials is quite difficult in the sense that the identified results may contain ... -
A new triangular composite shell element with damping capability
(Elsevier Ltd., 2014-08-07)This paper presents a new triangular composite shell element with damping capability. Formulation of the composite triangular shell element is based on stacking individual homogeneous triangular shell ele- ments on top of ... -
Quantification of the flow noise in household refrigerators
(JVE INTERNATIONAL LTD., 2014-11-01)The flow noise in household refrigerators is quantified in this study. First, the sound pressure measurements in a quiet room using typical household refrigerators are conducted and the noise characteristics of the ... -
Quantification and minimization of sensor effects on modal parameters of lightweight structures
(JVE INTERNATIONAL LTD., 2014-06-01)This paper aims to quantify the adverse effects of contact type sensors on modal parameters of lightweight structures and to present a practical way for identification of modal parameters of structures with minimal sensor ... -
Acoustic particle palpation for measuring tissue elasticity
(American Institute of Physics, 2015-12-01)We propose acoustic particle palpation—the use of sound to press a population of acoustic particles against an interface—as a method for measuring the qualitative and quantitative mechanical properties of materials. We ... -
An assessment of the performance of impedance tube method
(Institute of Noise Control Engineering, 2014-07-01)The impedance tube method is widely used for measuring sound absorption (or reflection) coefficients of acoustic materials as a function of frequency. However, the sound absorption coefficients obtained using the impedance ... -
Kurumsal akademik arşivler yaşanan sorunlar ve çözüm önerileri: MEF Üniversitesi Akademik Arşiv Sistemi örneği
(Sakarya Üniversitesi Fen Bilimleri Enstitüsü, 2016-02-24)Amaç - Bu çalışma, MEF Üniversitesi Akademik Arşiv Sistemi ile ilgili deneyimleri paylaşmak, bu konudaki girişimlere yardımcı olmak ve açık erişime alt yapı sağlayan kurumsal akademik arşivlerin önemini vurgulamak üzere ... -
The Architecture of a Library in a Digital World
(Emerald Group Publishing Limited, 2016-11-18)Introduction: As a librarian with over 25 years of experience, I can say that the past five years have seen more rapid change than the rest of my time in the field. Technological disruptions are changing how libraries ... -
Üniversite kütüphanelerinde Twitter’ın sosyal medya aracı olarak kullanımı
(Üniversite ve Araştırma Kütüphanecileri Derneği (ÜNAK), 2016)İnternet çağında kitle iletişim ve sosyal medya aracı olan Twitter kütüphaneler tarafından hizmetlerini ve faaliyetlerini duyurmak, kütüphane bilincini oluşturmak, kurum içerisinde kütüphanenin yerini ve önemini vurgulamak ... -
Tıp Okuryazarlığı ile ilgili Yaklaşımlar
(Üniversite ve Araştırma Kütüphanecileri Derneği (ÜNAK), 2016)Günümüzde en çok araştırma yapılan bilim alanı, insan sağlığının önemi nedeniyle sağlık bilimidir. Sağlık alanında tıbbi bilgi çok çabuk gelişmekte, diğer bilim alanlarına göre hızlı değişmektedir. Sağlık alanında ... -
Strategic financial management for small and medium sized companies
(Emerald Publishing, 2015-12-14)Research shows the majority of small businesses fail in their early years due to poor financial management, turning the dreams of many business owners and novice entrepreneurs into nightmares. This book serves as a guide ... -
İş sağlığı ve güvenlik kültürü algısının iş tatmini ile ilişkisinin incelenmesi
(Nişantaşı Üniversitesi Sosyal Bilimler Enstitüsü, 2016-07-30)İş kazaları ve meslek hastalıkları topluma oluşturduğu maliyet nedeniyle son yıllarda üzerinde önemle durulan bir konudur. İş kazaları meslek hastalıklarının en önemli nedenini insanların iş sağlığı ve güvenliğini bilmemesi ...
