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Kayıt Giriş Tarihi : 04.11.2022 ✕Yayın Dili : eng ✕Koleksiyon : FEN BİLİMLERİ ENSTİT ... ✕
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Eser Sahibi [20]
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Erişime Açık

Production of dental filling composite material with ımproved mechanical and antibacterial properties by zno/chitosan doped silica/pmma core/shell nano hybrid structured ınorganic matrix ZnO/Kitosan katkılı silika/PMMA çekirdek/kabuk nano hibrit yapılı inorganik matris ile mekanik ve antibakteriyel özellikleri geliştirilmiş dental dolgu kompozit malzemesi üretilmesi

Ok, İzel

ABSTRACTOrganic-inorganic (hybrid) dental filling composite resins are becoming increasingly popular as a result of their aesthetic quality, good mechanical properties, optimum wear resistance, and ease of use. However, dental composites have relatively high brittleness, low strength, and durability, which limits applications. Dental filling composites containing nanoparticles have been developed in recent years to address the drawbacks of dental composites. These composites have high filling percentages and provide high strength and durability to the resin. However, the characteristics of the ...Daha fazlası

Yüksek Lisans 2022 Ahmet Aykaç Graduate School of Natural and Applied Sciences 8 Görüntülenme
Erişime Açık

Synthesis of new materials for light-emitting electrochemical cells Işık yayan elektrokimyasal hücreler için yeni malzeme sentezi

Karaman, Merve

xvii, 161 pages 29 cm. 1 CD

Doktora Tezi 2022 Şerafettin Demiç Graduate School of Natural and Applied Sciences 25 Görüntülenme
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Control and design of industrial robotic arm by using ROS ROS kullanarak endüstriyel robotik kolun kontrolü ve tasarımı

Candemir, Adem

ABSTRACTIndustrial robots currently used in industry all have their own interfaces and unique languages. These commonly used interfaces and languages are often limited to industry needs. Although there are several robotic solutions, practically all of them can't rectify problems on their own. When a program is required for a more complex task, machine vision locates objects and puts them in desired locations and for situations such as applying the correct force for assembly operations by measuring with force-torque sensors, they often need third-party programs as existing systems cannot respon ...Daha fazlası

Yüksek Lisans 2022 Fatih Cemal Can Graduate School of Natural and Applied Sciences 26 Görüntülenme
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Evaluation of organic waste materials as bio-polymeric admixtures in cement based composite mortars Organik atık malzemelerin biyo-polimerik katkı olarak çimento bağlayıcılı kompozit harçlarda değerlendirilmesi

Kalkan, Şevket Onur

ABSTRACTIn this study, the effect of a new generation bio-polymeric admixture on the physical and mechanical properties of cement mortars is examined in detail. The bio-polymeric admixture is prepared by grinding egg shells, apricot kernel shells, hazelnut kernel shells, walnut kernel shells, and olive seeds in micronized sizes. The evaluation of the bio-polymeric admixtures, which are produced as wastes, among high production materials such as concrete and mortar derivative products, provides an opportunity for better disposal and management of these wastes.ÖZETBu çalışmada, yeni nesil biyopo ...Daha fazlası

Doktora Tezi 2022 Lütfullah Gündüz Graduate School of Natural and Applied Sciences 11 Görüntülenme
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A comparison of the performances of conventional and low salinity water alternating gas injection for displacement of oil Petrolün geleneksel su gaz değişimli ötelenmesi ile az tuzlu su gaz değişimli ötelenmesi yöntemlerinin başarımlarının karşılaştırılması

Bucyanayandi, Emmanuel

ABSTRACTThe oil and natural gas reside in microscopic pores of subsurface rock layers called a reservoir rock. Besides there always at least two phases exist in oil and gas reservoirs. Therefore, the flow and displacement of oil into the production wells are influenced significantly by capillary forces. Due to the capillary and surface forces, the recovery of oil always remains at low percentages usually between 20 to 40. In order to increase the recovery factor several secondary and enhanced oil recovery techniques have been developed and implemented. The two secondary recovery methods namely ...Daha fazlası

Yüksek Lisans 2022 İbrahim Kocabaş Graduate School of Natural and Applied Sciences 8 Görüntülenme
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Optimizing the load carrying performance of the hydraulic guiding elements with finite elements method

Tanyeri, Cem

ÖZETHidrolik ve pnömatik sistemlerin uzun süreli sorunsuz çalışmasında önemli bir etkiye sahip olan kılavuz elemanlar, hidrolik ve pnömatik silindirlerde eksene dik olan kuvvetlere direnerek metal-metal temasını önlemek için kullanılır. Kılavuz elemanlarda en sık kullanılan malzemelerden biri olan kompozit malzemelerde, fiber yönelimleri ve takviye malzeme oranları gibi farklı parametreler, ürünün kalitesini ve mukavemetini büyük ölçüde etkiler. Bu çalışmada, kompozit kılavuz elemanların sonlu elemanlar yöntemi kullanılarak malzemeden ürüne geçiş aşamalarının ve Digimat, Moldex3D ve MSC Marc p ...Daha fazlası

Yüksek Lisans 2022 Özgür Seydibeyoğlu Graduate School of Natural and Applied Sciences 11 Görüntülenme
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Fabrication of hysteresis-free perovskite solar cells by SAM modified electrode SAM modifiyeli ITO elektrot ile histeresis östermeyen perovskit güneş hücresi üretimi

Yalçın, Eyyup

ABSTRACTEnergy has become one of the main problems of humanity after the industrial revolution and the rapid rise in world population. Most energy resources depend on fossil fuels, which causes environmental problems. Solar energy is a clean and sustainable alternative to the increasing world energy demand. In this context, perovskite solar cells (PSCs) are particularly attractive due to ability to achieve very high efficiencies. The power conversion efficiency (PCE) of PSCs has rapidly grown from 3.8 in 2009 to over 25.5 in 2022, which making it fastest advancing solar cell technology to date ...Daha fazlası

Doktora Tezi 2022 Şerafettin Demiç Graduate School of Natural and Applied Sciences 21 Görüntülenme
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Tabakalı kompozitlerin burkulma karşıtı davranışlarının differential evoluation ve simulated annealing metodları ile optimum tasarımı

Akçair, Mehmet

xi, 51 sayfa : table, figure 29 cm. 1 CD

Yüksek Lisans 2017 Levent Aydın Graduate School of Natural and Applied Sciences 15 Görüntülenme
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The effect of fibrous dental barrier membrane on osteogenic differentiation of human mesenchymal stem cells Fibröz yapılı dental bariyer membranın insan mezenkimal kök hücrelerinin osteojenik farklılaşması üzerine etkisi

Utar, Bahar

ABSTRACTBone healing is one of the important issues in clinical areas such as oral, maxillofacial, orthopedic, and plastic surgery. Especially in the implantation process to be performed in dental applications, the structure of the jawbone and the quality of the bone density are very important for the performance of the process. In the area of tissue engineering, there are biodegradable bone implants with biocompatible synthetic polymers that give successful results in many areas. The dental barrier membrane is a synthetic bone graft based on Poly (DL-lactide). It is used in many dental applic ...Daha fazlası

Yüksek Lisans 2022 Ozan Karaman Graduate School of Natural and Applied Sciences 8 Görüntülenme
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Investigation of the adhesive-bonded aluminum-polyamide hybrid joints Yapıştırıcı ile birleştirilmiş alüminyum-poliamid hibrit bağlantıların incelenmesi

Batıkan Kandemir, Miray

ABSTRACTToday, environmentally friendly, high-strength and lightweight engineering materials are becoming increasingly important for the automotive and aviation industries. For this purpose, it is critical to combine different materials correctly and to create a reliable hybrid structure. Adhesives have a huge market share among the joining methods due to their low-stress concentration, high formulation possibility, good fatigue resistance, and sealing advantages. However, surface properties and surface treatments play an active role in determining joint performance. In this thesis, the effect ...Daha fazlası

Yüksek Lisans 2022 Özgür Seydibeyoğlu Graduate School of Natural and Applied Sciences 29 Görüntülenme
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Control of robotic systems used for support in cochlear microrobot operations Koklear mikrorobot operasyonlarında destek için kullanılan robotik sistemlerin kontrolü

Karayaman, Goncagül

ABSTRACTThe rapid development of robot technology has started to be emphasized medical robotics increasingly. The potential of robotic systems to facilitate the work of healthcare workers, minimize human errors, restore function to lost limbs, and enable operations that cannot be performed due to distance or other factors have made this field increasingly popular.Surgical robotics applications are the trend subfield of medical robotics. In these applications, it is aimed to reach the desired task with certain precision and accuracy. Therefore, performance of the control system is very crucial ...Daha fazlası

Yüksek Lisans 2022 Barış Bıdıklı Graduate School of Natural and Applied Sciences 7 Görüntülenme
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The design, manufacturing and applications of a novel led-based phototherapy device Yeni Bir LED tabanlı fototerapi cihazının tasarımı, üretimi ve uygulamaları

Yaşar, Büşra

ABSTRACTJaundice is a very common disease in infants. It is caused by an increase in the level of bilirubin in the blood. Its incidence in newborns is around 60-70. When jaundice becomes pathological, it can cause much damage to the body: brain damage, vision loss, lung and kidney dysfunction, and even death. With the increase of bilirubin and its accumulation in the organs, irreversible damage occurs. There are different methods such as exchange transfusion, medication, and phototherapy to remove bilirubin from the environment. Blue light with a wavelength of 430-490 nm is required for light ...Daha fazlası

Yüksek Lisans 2022 Nermin Topaloğlu Avşar Graduate School of Natural and Applied Sciences 10 Görüntülenme
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