Yazar "Elevli, Sermin" için listeleme
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Adsorption of copper and zinc ions on illite: Determination of the optimal conditions by the statistical design of experiments
Turan, N. Gamze; Elevli, Sermin; Mesci, Basak (Elsevier, 2011)In this study, a full factorial experimental design was utilized to assess the effect of three factors on the adsorption of copper (II) and zinc (II) ions in an aqueous leachate of an industrial waste with illite as ... -
Adsorption of lead and copper using waste foundry sand: statistical evaluation
Gurkan, Elif Hatice; Coruh, Semra; Elevli, Sermin (Inderscience Enterprises Ltd, 2018)In this study, the adsorption characteristics of lead and copper ions on waste foundry sand were investigated. Multiple regression model with dummy variables was developed to explore and to model the effects of experimental ... -
Adsorption of Neutral Red Dye From An Aqueous Solution Onto Natural Sepiolite Using Full Factorial Design
Coruh, Semra; Geyikci, Feza; Elevli, Sermin (Springer, 2011)The main objective of factorial design is to construct an empirical model to understand complex phenomena such as a purification process up to a given level of accuracy. The present study aimed to investigate the adsorption ... -
Adsorption of silver from aqueous solution onto fly ash and phosphogypsum using full factorial design
Coruh, Semra; Elevli, Sermin; Senel, Gaye; Ergun, Osman Nuri (Wiley, 2011)The aim of this research is to analyze the role of experimental factors on the adsorption of silver from an aqueous solution by using 24 factorial design. The experimental factors and their respective levels that were ... -
Ambulanslar için sanal gerçeklik uygulaması ile risk farkındalığı eğitimi
Aktaş, Esra (Ondokuz Mayıs Üniversitesi Lisansüstü Eğitim Enstitüsü, 2021)İş kazalarının azaltılabilmesi ve güvenli çalışma ortamının oluşturulabilmesinin temeli iş güvenliği eğitimleridir. Bu çalışmada sağlık zincirinin önemli bir parçası olan ve meslekleri gereği çok çeşitli risk faktörüne ... -
Assessment of leaching characteristics of heavy metals from industrial leach waste
Coruh, Semra; Elevli, Sermin; Ergun, Osman Nuri; Demir, Gonul (Elsevier, 2013)Leaching of valuable metals from residues generated by pyrometallurgical or hydrometallurgical process usually results in a large amount of wastes. In the present study, the leaching behavior of the zinc leach waste was ... -
Cnc tezgahlarının bakım verilerinin istatistiksel değerlendirmesi
Öztürk, Erkan; Elevli, Sermin (2014)Rekabetin artığı günümüz dünyasında, tüm çabaların mümkün olan en düşük maliyetle üretim hedeflerinin karşılanmasına odaklanması, mevcut makine/ekipmanlardan maksimum faydanın sağlanmasına dönük ihtiyacı belirginleştirmiştir. ... -
Comparison of regression and design models for biosorption process
Cetintas, Seda; Elevli, Sermin; Bingol, Deniz (Desalination Publ, 2019)In this study, the biosorption process were optimized and compared for the first time in terms of their accuracy and predictive ability for the sorption of Cu(II) ions onto date palm (Phoenix dactylifera L.) seeds used as ... -
Comparison of the results of response surface methodology and artificial neural network for the biosorption of lead using black cumin
Bingol, Deniz; Hercan, Merve; Elevli, Sermin; Kilic, Erdal (Elsevier Sci Ltd, 2012)In this study, Response Surface Methodology (RSM) and Artificial Neural Network (ANN) were employed to develop an approach for the evaluation of heavy metal biosorption process. A batch sorption process was performed using ... -
Drinking water quality control: control charts for turbidity and pH
Elevli, Sermin; Uzgoren, Nevin; Bingol, Deniz; Elevli, Birol (Iwa Publishing, 2016)Water treatment processes are required to be in statistical control and capable of meeting drinking water specifications. Control charts are used to monitor the stability of quality parameters by distinguishing the in-control ... -
Experimental design of fuse link with ceramic alloy: Cracking problem
Sanyilmaz, Murat; Elevli, Sermin (Assoc Chemical Engineers Serbia, 2014)Low-voltage (LV) fuse systems, which open a circuit by cutting the current when it exceeds a given value for an adequate period, are used in nonresidential, commercial and industrial buildings. LV-fuse systems consist of ... -
Fault Tree Analysis for Fused Filament Fabrication Type Three-Dimensional Printers
Bas, Hasan; Elevli, Sermin; Yapici, Fatih (Springer, 2019)Three-dimensional (3D) printer technology known as additive manufacturing pioneer make a breakthrough innovation in the manufacturing systems. One of the most important methods widely preferred at the additive manufacturing ... -
Homojen olmayan Poisson süreci: bir maden makinesinin güvenilirlik analizi
Uzgören, Nevin; Elevli, Sermin (2010)Herhangi bir güvenilirlik analizi yapılmadan önce, verilerin bağımsız ve benzer dağılmış (bbd) olup olmadıklarını kontrol etmek amacıyla trend testleri yapılmalıdır. Veri setinde trendin varlığı tespit edildiği takdirde, ... -
Kısıtlar teorisi esaslı proje yönetimi yaklaşımının otomotiv yan sanayiinde uygulaması / Eda Özkan Beylihan; tez danışmanı Sermin Elevli
Beylihan, Eda Özkan (Ondokuz Mayıs Üniversitesi, Fen Bilimleri Enstitüsü, 2017)… -
Modelling of lead adsorption from industrial sludge leachate on red mud by using RSM and ANN
Geyikci, Feza; Kilic, Erdal; Coruh, Semra; Elevli, Sermin (Elsevier Science Sa, 2012)In this study, response surface methodology (RSM) and artificial neural network (ANN) were employed to develop prediction models for lead removal from industrial sludge leachate using red mud. The leaching characteristics ... -
Nonhomogeneous Poisson Process: Reliability Analysis of A Mining Equipment
Uzgoren, Nevin; Elevli, Sermin (Gazi Univ, Fac Engineering Architecture, 2010)Before any reliability analysis, trend tests must be carried out to check whether the assumption of independent and identically distributed (iid) observations is satisfied or not. When trend is detected, Nonhomogenous ... -
Optimization of Neural Networks with Response Surface Methodology: Prediction of Cigarette Pressure Drop
Midilli, Yunus Emre; Elevli, Sermin (Ieee, 2019)Neural network is an artificial intelligence technique providing successful results in solving many prediction problems. There are many factors affecting the predictive performance of a neural network such as learning rate, ... -
Quality Control Charts For Monitoring Performance of Hospital Call Center
Ozturk, Hakan; Murat, Naci; Elevli, Sermin (Yildiz Technical Univ, 2019)As a first contact point of a company with customers, call centers are important to keep customers happy and satisfied. There are key performance metrics and other minimum requirements that a Call Center has to meet. In ... -
Reliability Analysis of Draglines' Mechanical Failures
Uzgoren, Nevin; Uysal, Onder; Elevli, Sermin; Elevli, Birol (Polish Maintenance Soc, 2010)In modern mines that use different types of sophisticated machine/equipment with high production capacity and investment such as draglines, it is important that the machine should be operated in a reliable way in order to ... -
A statistical analysis of GPS positioning using experimental design
Sisman, Yasemin; Elevli, Sermin; Sisman, Aziz (Akademiai Kiado Rt, 2014)In dam, bridge, railway, sewerage and pipeline projects and the measurement of crustal movements, point positioning must be determined. GPS is the most popular three-dimensional absolute positioning system on all world ...
