In this study, the necessary data obtained from the databases (such as MSSQL, Mysql, Postgre SQL, etc.) of the softwares like ETA and NETSİS that are used for preaccountancy of the local and global companies were read, some of the data were written to the databases, and this data was used by the end user by using mobile phones or tablets carrying Android operating systems and working with Internet and cloud technology. In addition, new data sets that are collected on a cloud system from the accounting data while the company is on was studied by genetic algorithms which are one of the artificia ...Daha fazlası
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
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
Today, thermoplastic polyurethane materials are widely used in many different
applications. There are many types of thermoplastic polyurethanes which offers
different mechanical and chemical properties according to application area. In
addition to the existing properties, thermoplastic polyurethane materials mixed with
various additives to obtain specific, targeted thermoplastic polyurethane materials in
order to impart different properties to the material for application.
In this study, materials of the sealing elements are approached which is one of the
most important parts of the hyd ...Daha fazlası
The goal of this thesis is to develop the applicability of an ultra-low cost, field-deployable, plastic fiber based smartphone spectrometer system to study dye adsorption from water. A custom cradle using smartphone’s built-in flash and camera was designed for visible absorbance spectroscopy without any need for external electrical components. We firstly investigated the performance of smartphone spectrometer for methylene blue (MB) absorbance in water with a detection limit of 0.5 ppm, and compared it to that of a commercial spectrometer. We elaborated on the contribution of image formats to ...Daha fazlası
Bu doktora tezi, çeşitli kanser tedavilerinde güç aktarım verimliliğini ve etkisini
artırmak için foster olmayan devreleri (NFC) ve bir mikrodalga güç amplifikatörünü
(PA) içeren bir mikrodalga ablasyon (MWA) sisteminin tasarımına odaklanmaktadır.
Çalışma, MWA uygulayıcılarını, PA ve foster olmayan yapıları ilk bölümlerde
bağımsız olarak kapsamlı bir şekilde incelemekte, ardından bu fenomenler arasındaki
ilişkiyi önermekte, analitik olarak göstermekte ve deneysel olarak doğrulamaktadır.
Bu bağlantı, minimal invaziv yaklaşımlar yoluyla kanser tedavisi için umut verici bir
perspektif sunm ...Daha fazlası
The progress of electronic information technology brings along some problems caused by electromagnetic (EM) waves. For this reason, electromagnetic absorber materials have drawn attention recently for application areas such as electronic, defense stealth technology, and satellite communication systems.
Submitted to the Graduate School of Natural and Applied Sciences in partial fulfillment of the requirements for the degree of
Millions of people worldwide suffer from diabetes and diseases caused by diabetes. As a result of the statistical studies carried out by the World Health Organization (WHO), the number of people suffering from diabetes was 108 million in 1980, then it was increased to 422 million in 2014. Diabetes is increasing rapidly, particularly in underdeveloped and developing countries and it was predicted that 1.5 million people died because of it only in 2019 (WHO, 2021).
Hand gesture-based systems are one of the most effective technological advances. Surface electromyography (sEMG) is utilized as a popular input data for gesture classification with elevated accuracy and advanced control capability. In this thesis, which is based on the classification performance of Hilbert-Huang spectrum (HHS) images obtained from Hilbert Huang Transform (HHT) of the sEMG of the gestures, an evaluation of the results of artificial intelligence (AI) methods on hand gesture classification using HHS image is presented.
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
A colorimetric analysis is a technique that measures the properties of the substance using color changes in chemical or biochemical analysis. It is vital in analysing biological, medical, and environmental samples in many fields, such as the food, medicine, cosmetics, and paint industries. Colorimetric analysis requires correct measurement and calibration techniques to obtain accurate results.
Ameliyat öncesi planlama veya eğitimde, zorlu cerrahi operasyonları kolaylaştırmak için 3D modelleme ve kişiye özgü kemik modeli kullanılabilir. Bu prosedür, 3D baskı ve simülasyonların gelişmesi nedeniyle daha etkili ve uygulanabilir hale geldi. Bunun yanında, sonlu elemanlar analizi (SEA) mekanik analiz sonuçlarına yakınsayarak kemik modellerinin ve çeşitli tıbbi ekipmanların oluşturulmasını daha hızlı ve daha güvenilir hale getirebilir. Fakat, simülasyonların ve mekanik testlerin modeller üzerindeki etkisi hala tartışmalıdır. Bu sebeple bu çalışmada femur başı ve medial malleol olmak üzere ...Daha fazlası
6698 sayılı Kişisel Verilerin Korunması Kanunu kapsamında yükümlülüklerimiz ve çerez politikamız hakkında bilgi sahibi olmak için alttaki bağlantıyı kullanabilirsiniz.