Boron doped titanium dioxide nanotube arrays: production, characterization and photocatalytic properties

Bilgin, Kübra

Photocatalytic degradation and complete mineralization of toxic organic compounds in water, soil, and air in the presence of semiconductor materials have received much attention over the last decades. Electronic structure of semiconductors is characterized by a filled valence band and an empty conduction band. When the semiconductor is irradiated with light of sufficient energy corresponding to or exceeding its band gap, an electron is promoted into the conduction band, leaving a hole in the valence band. The electrons and holes are good reductants and powerful oxidants, respectively, and they ...Daha fazlası

Gökkuşağı alabalığında (Oncorhynchus mykiss) antimikrobiyal etkili fungal metabolitlerin TNF-α ve IL-1β GEN expresyonları üzerine etkisi

Oğan, Betül Melike

Su ürünleri yetiştiriciliği dünyada en hızlı büyüyen hayvansal gıda üretim sektörüdür ve yetersiz beslenmenin ortadan kaldırılmasına yönelik küresel etkilerde önemli bir role sahiptir. Ayrıca, iyi beslenme önemli sağlık faydalarını getirir. Bununla birlikte su ürünleri yetiştiriciliği ve balıkçılık milyonlarca insana geçim kaynağı sağlamaktadır. Ancak bu hızlı büyümeye rağmen su ürünleri endüstrisi, sektörün sürdürülebilirliğini etkileyebilecek sağlık problemleri ile karşı karşıya bulunmaktadır. Su ürünleri yetiştiriciliğinde karşılaşılan en yaygın problemlerin başında sağlık yönetimi eksikliğ ...Daha fazlası

Expert system design by using artificial intelligence techniques for the diagnosis of liver disorders

Mülayim, Naciye

Nowadays, Expert System (ES)s are used widely in many areas to solve real world problems. Artificial Intelligence (AI) techniques are used to obtain timely and accurately decision about solution of daily problems in ESs designing because AI can mimic behaviours and thought system of people. Especially in medical area, there are many researches and applications using ESs based on various AI techniques to obtain diagnosis for any diseases. The liver is a vital internal organ for a human body and it has many functions, which are associated with the other organs. Although the liver can renew itse ...Daha fazlası

Using alcohol as a carrier producing polyanionic cellulose (PAC) polymer from solid textile waste

Karakuş, Hüseyin

Cellulose is the most abundant organic polymer on earth. It is naturally regenerated by forests and cotton plantations with a speed of 10 billion metric tons per year regularly. Not only its natural reproduction makes it ecologically beneficial but also its biological degradability makes cellulose an ‘eco-friendly material’. Applications of cellulose is limited due to its insolubility in water. Contrarily, its water-soluble derivatives, especially cellulose ethers, are found in nearly all the products we are using in our daily life. Although cellulose is the main raw material for producing ce ...Daha fazlası

Türkiye’de karayolu ulaşımına kapalı mekanlarda doğa yürüyüşü turizmi güzergah standartlarının belirlenmesi: Kemalpaşa Mahmutdağı ekoturizm planlama alanı örneği

Bu çalışmamızda ki amaç; doğa yürüyüş güzergahları için standartlar geliştirerek,“İzmir ili, Kemalpaşa ilçesi, Mahmutdağı mevkiine ait amenajman planında ekoturizm faaliyet alanları olarak ayrılan kısımları, EKOTURİZM-FP yaklaşımıyla planlamak ve yönetim esaslarını tespit etmek, böylece yöre ve çevresinde yaşayan halkın (hatta zaman içinde ulusal ve uluslararası ekoturistik faaliyetler kapsamında bütün insanlığın) faydasına sunarak onların bu alanlardan sağlık, spor, sosyal, kültürel ve ekonomik girdiler bağlamında çok yönlü yararlanmasını düzenlemektir. Türkiye'de henüz karayolu ulaşımına ka ...Daha fazlası

Türkiye’de karayolu ulaşımına kapalı mekanlarda bisiklet turizmi güzergah standartlarının belirlenmesi: Kemalpaşa Mahmutdağı ekoturizm planlama alanı örneği

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Evaluation of effectiveness of cold atmospheric plasma treatment methods for prevention of ventilator-associated pneumonia

İbiş, Fatma

Hospital-acquired infections (HAI) (nosocomial infection) are serious health problems that occur when person acquires infection during stay in a hospital for causes other reasons than that infection. Colonization of microorganisms pave the way for deaths, in detail, Ventilator Associated Pneumonia (VAP) is remarkable in terms of mortality accounted for 15% of nosocomial infections. Ventilator associated pneumonia (VAP) is common a disease, especially among patients that are on connected ventilators in intensive care units. It is defined as the pneumonia, in which occurs in at least 48 h ...Daha fazlası

Group effect in axially loaded chemical anchors embedded in low strength concrete

Arslan, Tolga

The use of chemical anchors for the connection of existing structural elements with the new elements during strengthening of existing structures is quite a preferred method. Since in our country, chemical anchors are being widely used for repair and strengthening works, there should be a standard of design and application on this topic. Up to now, research done on the topic of chemical anchors, are mostly carried out on concrete blocks of compressive strength 20 MPa and higher. Since parameters such as distance from the edges, embedment depth and group effect were mostly ignored, the re ...Daha fazlası

Evaluation of passive building design parameters for Izmir city

Güçü, İlker

The housing sector is one of the largest sector responsible for energy consumption in the world and Turkey. Sustainability is an emerging issue as energy related problems arises throughout the world. The sustainable sources are both clean energy sources and mostly renewable. Therefore, especially in terms of economy, these new energy sources are important opportunity for countries dependent on other countries energy. Turkey is rich in sustainable resources and especially Izmir province has good potential in terms of solar, wind and geothermal energy which are the most important sustainable sou ...Daha fazlası

Improvement of engineering properties and liquefaction reduction of sandy soils using electric arc furnace slag and roof tile powder

Agolli, Drinela

The scarcity of suitable land for construction of engineering facilities and shortage of natural earth aggregates has highlighted the need for finding innovative way of construction. Nowadays problematic soils such as: soft clay, organic soils and liquefiable soils can be improved to the required civil engineering requirements by application of soil stabilization. Soil stabilization is a method intended to increase or preserve the stability of soil mass and chemical alteration of soil to improve engineering properties. Generally, ground treatment techniques used are: densification, reinforcem ...Daha fazlası

Investigation of concrete barriers with recycled rubber, steel slag and roof tile

Kurar, Ali

The purpose of aggregating rubber is to increase concrete’s flexibility, elasticity, and capacity to absorb energy. In some application of concrete, it is desired that concrete should have low unit weight, high toughness and impact resistance. Although concrete is the most commonly used construction material, it does not always fulfill these requirements. In order to improve elastic properties of concrete and recycle the waste materials, new applications have been realized recently. One of these applications is the utilization of discarded tires in order to use together with aggregate. ...Daha fazlası

Control and simulation of swarm mobile robots

Şen, Hayrettin

This thesis presents both control of mobile robots that can move by using collective motion algorithm and simulation of the robots during the motion. The orientation of the robots was controlled remotely by one user during the collective motion. The transmission of orientation data from the remote controller to the robots was done by using XBee modules. The control algorithm of collective motion was developed by using individual-based model. Two modes are considered during the control. These modes are search and swarm mode. The collective motion was performed by robots that are moving with re ...Daha fazlası