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Now showing items 1-20 of 30

An enhanced online LS-SVM approach for classification problems

Dilmen, Erdem; Beyhan, Selami (Springer Verlag, 2018)

In this paper, two novel approaches are proposed to improve the performance of online least squares support vector machine for classification problem. First, the parameters of support vector classifier model including ...
Borocarburizing of decarburized gears made from 21NiCrMo2 (AISI 8620) steel

Ulukoy, A.; Can, A.C.; Ozmen, Y.; Tasgetiren, S. (SAGE Publications Ltd, 2015)

In the present study, gears made of 21NiCrMo2 (AISI 8620) steel were subjected to heat treatments including carburizing, decarburizing, boriding and hardening. Carburizing, decarburizing and boriding were performed in a ...
Characterization of Salmonella isolated from organically reared poultry located in the same longitude with three distinct seasonal characteristics

İncili, Gökhan Kürşad; Koluman, Ahmet; Dikici, Abdullah; Kahraman, Tolga; Ünlü, Abdullah Teoman (Wiley, 2019-02-01)

This study is designed to determine Salmonella prevalence in organic poultry farms and slaughterhouse in three different regions with distinct seasonal characteristics. Salmonella strains were isolated from organic reared ...
Cloning and expression of a CYP720B orthologue involved in the biosynthesis of diterpene resin acids in Pinus brutia

Semiz, Aslı; Sen, A. (Kluwer Academic Publishers, 2015)

Cytochrome P450 monooxygenases mediate a broad range of oxidative reactions involved in the biosynthesis of both primary and secondary metabolites in plants. Until now, only two P450 genes, CYP720B1 from Pinus taeda and ...
Controlling the charge transfer flow at the graphene/pyrene-nitrilotriacetic acid interface

Osella, S.; Kiliszek, M.; Harputlu, E.; Unlu, Cumhur Gökhan; Ocakoglu, K.; Kargul, J.; Trzaskowski, B. (Royal Society of Chemistry, 2018)

The fabrication of highly efficient bio-organic nanoelectronic devices is still a challenge due to the difficulty in interfacing the biomolecular component to the organic counterparts. One of the ways to overcome this ...
Effects of ageing and cryo-ageing treatments on microstructure and hardness properties of AA2014–SiC MMCs

Aksöz, Sinan; Bostan, B. (Springer, 2018)

Abstract: In this study, microstructure and hardness effects of cryogenic and ageing heat treatments applied to AA2014–SiC composites containing vol. 0.5, 1, 2 and 4% SiC reinforcing ratio have been investigated. SEM, EDS, ...
Effects of different fibers on the quality of chicken meatballs

Golge, O.; Kılınççeker, O.; Koluman, Ahmet (Presse Dienstleistungsgesellschaft mbH und Co. KG, 2018)

The objective of this study was to determine the effects of pea fiber, orange fiber and inulin fiber on some quality properties of chicken meatballs. Samples were prepared with different formulations (3, 6 and 9 %) for ...
Electrochemical, Structural and Magnetic Analysis of Electrodeposited CoCu/Cu Multilayers: Influence of Cu Layer Deposition Potential

Tekgül, A.; Kockar, H.; Kuru, H.; Alper, M.; Ünlü, Cumhur Gökhan (Springer New York LLC, 2018)

The electrochemical, structural and magnetic properties of CoCu/Cu multilayers electrodeposited at different cathode potentials were investigated from a single bath. The Cu layer deposition potentials were selected as ...
GPR18 Inhibiting Amauromine and the Novel Triterpene Glycoside Auxarthonoside from the Sponge-Derived Fungus Auxarthron reticulatum

Nazir, M.; Harms, H.; Loef, I.; Kehraus, S.; El Maddah, F.; Arslan, İdris.; Rempel, V.; Müller, C.E.; König, G.M. (Georg Thieme Verlag, 2015)

The marine sponge-derived fungus Auxarthron reticulatum produces the cannabinoid receptor antagonist amauromine (1). Recultivation of the fungus to obtain further amounts for more detailed pharmacological evaluation of 1 ...
Grain size and grain boundary analysis of aluminum compacts with/without 10 wt.% of nickel powder processed by equal channel angular pressing

Demir, Ü.; Aksöz, Sinan; Güral, A. (Polish Academy of Sciences, 2018)

The aim of this study is to consolidate the Al-Ni powders using the equal channel angular pressing method in order to achieve improved structural and mechanical properties. Thus, both alloying ability at low temperature, ...
High efficiency design procedure of a second stage phase shifted full bridge converter for battery charge applications based on wide output voltage and load ranges

Çetin, Sevilay (Korean Institute of Power Electronics, 2018)

This work presents a high efficiency phase shifted full bridge (PSFB) DC-DC converter for use in the second stage of a battery charger for neighborhood electrical vehicle (EV) applications. In the design of the converter, ...
Immobilization of Lycinibacillus fusiformis B26 cells in different matrices for use in turquoise blue HFG decolourization

Mercan Doğan, Nazime; Şensoy, Tuğba; Acar Doğanlı, Gülümser; Bozbeyoğlu, Naime Nur; Arar, Dicle; Ardağ Akdoğan, Hatice; Canpolat, Merve (POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST ENVIRON ENG PAS, PL DEFILAD 1, WARSZAWA, 00-901, POLAND, 2016)

The decolourization of Turquoise Blue HFG by immobilized cells of Lysinibacillus fusiformis B26 was investigated. Cells of L. fusiformis B26 were immobilized by entrapment in agar and calcium alginate matrices and attached ...
Influence of repeated tempering on the machinability and microstructure of an AISI 52100 steel

Tan, Engin; Ovalı, İsmail; Mavi, A.; Kaplan, M.; Okay, S. (Carl Hanser Verlag, 2015)

The effects of repeated tempering process on the microstructure and machinability of AISI 52100 steel in terms of cutting force, cylindricity and surface roughness were investigated in the present study. Specimens were ...
Influence of the temperature on energy management in battery-ultracapacitor electric vehicles

Demircalı, A.; Sergeant, P.; Koroglu, S.; Kesler, S.; Öztürk, Erkan; Tumbek, M. (Elsevier Ltd, 2018)

Energy management strategies for an electric vehicle (EV) with multiple power sources have been widely described in literature. The investigated energy sources are batteries, ultracapacitors, fuel cells, flywheels and solar ...
Investigation of tribological behaviours of graphene-coated journal bearing

Yildiz, Bayram; Balkanci, A.; Ovali, I.; Ünlü, C.G. (Taylor and Francis Ltd., 2018)

In this study, we investigated macro- and nano-scale tribological behaviours of single-layer graphene on steel parts. Single layer graphene was synthesized via Chemical Vapour Deposition (CVD) on copper foil and then ...
Laser treatment of dual matrix structured cast iron surface: Corrosion resistance of surface

Yilbas, B.S.; Toor, I.; Karatas, C.; Malik, J.; Ovalı, İsmail. (Elsevier Ltd, 2015)

Laser gas assisted treatment of dual matrix structured cast iron surface is carried out and the corrosion response of the surface is examined. A carbon film containing 15% SiC particles and remaining 85% carbon are formed ...
Mesoporous nanocrystalline ZnO microspheres by ethylene glycol mediated thermal decomposition

Alp, E.; Araz, E.C.; Buluç, A.F.; Güner, Yağmur; Değer, Y.; Eşgin, H.; Dermenci, K.B.; Kazmanlı, M.K.; Turan, S.; Genç, A. (Elsevier B.V., 2018)

Zinc oxide (ZnO) nanostructures with various morphologies have been fabricated in literature owing to their potential applications in various emerging fields. In this study, we report a facile, one-step gram-scale synthesis ...
Natural Polysaccharides as Pharmaceutical Excipients

Yilmaz, Nazire Deniz.; Çilgi, Gülbanu Koyundereli.; Yilmaz, Kenan. (wiley, 2015)

Natural polysaccharides are promising materials in terms of use as pharmaceutical excipients due to their features such as cost-effectiveness, nontoxicity, biodegradability and biocompatibility. They are also flexible for ...
Orientation of photosystem i on graphene through cytochrome: C 553 leads to improvement in photocurrent generation

Kiliszek, M.; Harputlu, E.; Szalkowski, M.; Kowalska, D.; Unlu, Cumhur Gökhan; Haniewicz, P.; Abram, M.; Wiwatowski, K.; Niedziółka-Jönsson, J.; MaćKowski, S.; Ocakoglu, K.; Kargul, J. (Royal Society of Chemistry, 2018)

We report the fabrication of an oriented bioelectrode of photosystem I (PSI) on single-layer graphene (SLG). This bioelectrode demonstrates improved photocurrent generation, which can be directly attributed to the molecular ...
Performance, emissions, combustion and injection characteristics of a diesel engine fuelled with canola oil-hazelnut soapstock biodiesel mixture

Öztürk, Erkan. (Elsevier B.V., 2015)

This study investigates performance, emissions, combustion and injection characteristics of a diesel engine fuelled with blends of diesel fuel No. 2 and a mixture of canola oil-hazelnut soapstock biodiesels. The hazelnut ...

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