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Browsing Endüstri Mühendisliği Bölümü by Issue Date

Now showing items 21-40 of 118

A study on nutrient removal from municipal wastewater by struvite formation using Taguchi's design of experiments

Uludağ Demirer, Sibel (Mary Ann Liebert Inc, 2008-02)

The aim of this study is to investigate the removal of NH4+-N and PO43--P from the municipal wastewater by struvite (MgNH4PO4.6H(2)O) formation. The optimization of the NH4+-N and PO43--P removals is made by changing the ...
Customer order scheduling problem: a comparative metaheuristics study

Hazır, Öncü; Günalay, Yavuz; Erel, Erdal (Springer London Ltd, 2008-05)

The customer order scheduling problem (COSP) is defined as to determine the sequence of tasks to satisfy the demand of customers who order several types of products produced on a single machine. A setup is required whenever ...
On periodic solutions of linear impulsive delay differential systems

Akhmet, M.U.; Alzabut, J.O.; Zafer, A. (2008-10)

A necessary and sufficient condition is established for the existence of periodic solutions of linear impulsive delay differential systems. Copyright © 2008 Watam Press.
The effect of different inflation risks on interest rates of the US

Yüksel, E.; Akdi, Y. (Routledge Journals, 2009)

This article examines the effect of different inflation uncertainty measures on interest rates of the US in a Fisher hypothesis framework. Generalized Autoregressive Conditional Heteroskedasticity (GARCH) specification ...
Enhanced nutrients removal in conventional anaerobic digestion processes

Othman, M.Z.; Uludağ, Demirer S.; Demirer, G.N. (2009)

One of the main challenges for one phase anaerobic digestion processes is the high concentration of NH 4 + and PO 4 3- ions in the digested sludge supernatant. This project focuses on enhancing the removal of nutrients ...
Sector Selection for Cluster Formation at OSTİM Industrial Zone: An AHP Application

Çetinkaya, Ferda Can; Kandiller, Levent; Satır, Benhür; Umutlu, Mehmet (2009)
İngilizce Türkçe Endüstri mühendisliği ve mühendislik terimleri sözlüğü

Çetinkaya, Ferda Can (TMMOB, 2009)
Removal of ammonium and phosphate from the supernatant of anaerobically digested waste activated sludge by chemical precipitation

Uludağ Demirer, Sibel; Othman, Maazuza (Elsevier Science LTD, 2009-07)

The removal of ammonium (NH(4)(+)) and phosphate (PO(4)(3-)) from supernatant of anaerobic digestion by magnesium ammonium phosphate (MAP) formation was Studied. To be able to find out the loss of NH(4)(+) by its transformation ...
Characterization of loose powder sintered porous titanium and TI6Al4V alloy

Esen, Ziya; Tarhan Bor, Elif; Bor, Şakir (2009-08)

Porous titanium and Ti6Al4V alloy, biomedical candidate materials for use in orthopedic and dental implants, were manufactured by sintering the powders at various temperatures in loose condition. The characteristics of the ...
Yatırım projelerinin net bugünkü riske maruz değer göstergesi kullanılarak karşılaştırılması

Karatepe, Dilan; Yıldırım, Fetih (Çankaya Üniversitesi, 2010)

Bu calışmada; net bugünkü değer (NPV), iç verim oranı (IRR), karlılık endeksi (PI), geri ödeme süresi (PP), vb. temel proje değerlendirme kriterleri açısından benzer sonuçlara sahip olan projelerin birbiriyle karşılaştırılabilmesi ...
Comparative analysis of multicriteria decision making methods for postgraduate student selection

Altunok, Taner; Özpeynirci, Özgür; Kazançoğlu, Yiğit; Yılmaz, Recai (Anı Yayıncılık, 2010)

Problem Statement: The educational recourses available for postgraduate education are limited compared with the resources for undergraduate education. An academic advisor is required for each graduate student. The academic ...
Estimating parameters of a multiple aoutoregressive model by the modified maximum likelihood method

Türker Bayrak, Özlem; Dener Akkaya, Ayşen (Elsevier Science, 2010-02)

Abstract: We consider a multiple autoregressive model with non-normal error distributions, the latter being more prevalent in practice than the usually assumed normal distribution. Since the maximum likelihood equations ...
Discrete time/cost trade-off problem: A decomposition-based solution algorithm for the budget version

Hazır, Öncü; Haouari, Mohamed; Erel, Erdal (Pergamon-Elsevier Science, 2010-04)

This paper investigates the budget variant of the discrete time/cost trade-off problem (DTCTP). This multi-mode project scheduling problem requires assigning modes to the activities of a project so that the total completion ...
A technology readiness levels (TRLs) calculator software for systems engineering and technology management tool

Altunok, Taner; Çakmak, Tanyel (Elsevier Science Ltd, 2010-05)

Turkish defense industry and policy makers seek effective and successful system development programs by implementing a validation mechanism to verify the maturity of new technologies being developed in national laboratories ...
A truck loading problem

Yüceer, Ümit; Özakça, Arif (Pergamon-Elsevier Science Ltd, 2010-05)

A vehicle with m compartments transports q different products of various sizes from a source to n different destinations. The operational problem is how to load the compartments of the vehicle so that the replenishment ...
Effects of electrospinning process parameters on nanofibers obtained from Nylon 6 and poly (ethylene-n-butyl acrylate-maleic anhydride) elastomer blends using Johnson S-B statistical distribution function

Biber, Erkan; Gündüz, Güngör; Maviş, Bora; Çolak, Üner (Springer, 2010-05)

The impact strength of Nylon 6 can be further improved by blending it with ethylene-butyl acrylate-maleic anhydride elastomer. The blending is achieved in solution phase. Due to incompatibility of Nylon 6 and the elastomer, ...
Compatibility Analysis Of Nylon 6 and Poly(Ethylene-N-Butyl Acrylate-Maleic Anhydride) Elastomer Blends Using Isothermal Crystallization Kinetics

Biber, Erkan; Maviş, Bora; Gündüz, Güngör; Çolak, Üner (Elsevier Science SA, 2010-07-01)

Nylon 6 is a widely used engineering polymer, and has relatively poor impact strength. Ethylene, n-Butyl acrylate, maleic anhydride (E-nBA-MAH) terpolymer is blended with Nylon 6 to enhance its impact strength. Mixture ...
Lot Streaming In A Two-Machine Mixed Shop

Çetinkaya, Ferda Can; Duman, Mehmet (Springer London LTD, 2010-08)

Most classical scheduling models overlook the fact that products are often produced in job lots and assume that job lots are indivisible single entities, although an entire job lot consists of many identical items. However, ...
An exact solution procedure for multi-item two-echelon spare parts inventory control problem with batch ordering in the central warehouse

Topan, Engin; Bayındır, Z. Pelin; Tan, Tarkan (Elsevier Science BV, 2010-09)

We consider a multi-item two-echelon inventory system in which the central warehouse operates under a (Q, R) policy, and the local warehouses implement basestock policy. An exact solution procedure is proposed to find the ...
Analysis of exergy and energy of sugar production process in sugar plant

Şahin, H.; Acır, Adem; Altunok, Taner; Baysal, E.; Koçyiğit, E. (Maney Publishing, 2010-09)

In this paper, the energy and exergy analysis results of sugar production processes were presented by using operational system data from the Kayseri sugar plant, Turkey. All sugar production processes were thought as a ...

Now showing items 21-40 of 118

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