Browsing Bildiri Koleksiyonu by Issue Date
Now showing items 21-40 of 210
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Effect of the solution surface tension for flotation, flocculation and oil agglomeration processes
(2006)The wettability of solid or mineral particles is known to be an important parameter which influences many technological processes including flotation, flocculation, oil agglomeration, solid-liquid separation, adhesion, ... -
Broadband staircase quantum well infrared photodetector: working in long wavelength infrared range (LWIR)
(WILEY-V C H VERLAG GMBH, 2007)We present a theoretical investigation of a staircase-like quantum well infrared photodetector (QWIP). it detects wavelength between 7.6 mu m and 13.5 mu m range at an applied electric field of F = 1.9x10(4) V/cm at 77 K. ... -
Improvement in mechanical alternans as shown by Doppler in patients with severe heart failure: levosimendan versus dobutamine
(ELSEVIER SCIENCE BV, 2007)… -
Modeling and simulation of the fuzzy relay type controller for solving the double integrator control problems
(WORLD SCIENTIFIC AND ENGINEERING ACAD AND SOC, 2007)In this paper, we present the modeling and simulation results of the fuzzy relay type controllers for solving the double integrator control problems. We also give the comparative analysis of determined and fuzzy relay type ... -
Cancer risk assessment in drinking water of Izmir, Turkey
(SPRINGER, 2007)In this study, the occurrence of trihalomethanes (THMs) of the tap water in Izmir City was investigated and the lifetime cancer risk of THMs through oral ingestion, dermal absorption, and inhalation exposure were estimated. ... -
Sliding modes in finite-time control systems with variable structure
(WORLD SCIENTIFIC AND ENGINEERING ACAD AND SOC, 2007)This paper proposes a method for the organization of real sliding movements, which are caused by finite switching frequency of control systems. In one of two proposed structures for the organization of sliding modes, the ... -
The polarizability and the photoionization cross-section under the external fields for donor impurities in quantum well-wire
(WILEY-V C H VERLAG GMBH, 2007)In this study, we have calculated the donor impurity binding energy, donor impurity related photoionization cross-section and polarizability in symmetric GaAs/Ga1-xAlxAs quantum well-wire as a function of the impurity ... -
Broadband asymmetric quantum-well infrared photodetector in long-wavelength infrared range (LWIR)
(IEEE, 2007)A theoretical investigation of a GaAs-AlGaAs infrared detector consisting of three asymmetric quantum wells is presented. Each quantum well is sensitive to yield absorption and a photoresponse at peak wavelengths of 8 pro, ... -
Production of the ADD type Kaluza-Klein excitations at future e +e -, ep and pp colliders
(2007)Possible production of ADD type Kaluza-Klein excitations are investigated at future high energy e +e -, ep and pp colliders. Discovery limits and signatures of such excitations are discussed at above colliders comparatively. ... -
Toe erosion induced landslides from şebinkarahisar (Giresun-Turkey): Part I
(2007)This case study presented herein describes and analyses the results of the detailed surveys of landslides caused by toe erosion in Avutmus district of Sebinkarahisar (Giresun-Turkey), based on field and laboratory measurements, ... -
Toe erosion induced landslides from şebinkarahisar (Giresun-Turkey): Part II, physically based susceptibility mapping
(2007)This case study presented herein describes physically based susceptibility mapping in Avutmuş-Sebinkarahisar (Giresun-Turkey) and its vicinity using the SINMAP model. Sebinkarahisar has been recognized as a landslide-prone ... -
Production of the Randall-Sundrum type Kaluza-Klein excitations at future e +e -, ep and pp colliders
(2007)Possible production of Randall-Sundrum type Kaluza-Klein excitations are investigated at future high energy e+e-, ep and pp colliders. Discovery limits and signatures of such excitations are discussed at above colliders ... -
BER performance of generalized multicarrier DS-CDMA system with blackman chip waveforms over Nakagami-m fading channels [Blackman kirmik dalgabiçiminin kullanildi?i genelleştirilmiş çoktaşiyicili DD-KBÇE sistemin Nakagami-m sönümlü kanallardaki BHO performansi]
(2008 IEEE 16th Signal Processing, Communication and Applications Conference, SIU, 2008)Multicarrier direct sequence-code division multiple access (MC DS-CDMA) is a novel radio access scheme that combines time domain spreading and multicarrier modulation. However, MC DS-CDMA systems suffer strongly from the ... -
An investigation on the properties of nano TiB2 reinforced hot pressed B4C-SiC composites
(2nd International Congress on Ceramics, ICC 2008, 2008)In this study, the effect of nano TiB2 addition on microstructural, physical and mechanical properties of the B4C-SiC powder composites were investigated after high energy milling and hot pressing. In the present work, ... -
Students' attitudes toward science and technology: an investigation of gender, grade level, and academic achievement
(ELSEVIER SCIENCE BV, 2009)The purpose of this study was to examine differences by gender and grade level in primary school students' attitudes toward science and technology and to explore relationship between students' attitudes toward science and ... -
207Pb-206Pb, 40Ar-39Ar and apatite fission-track geothermochronology revealing the emplacement, cooling and exhumation history of the Karaçayir Syenite (N Sivas), East-Central Anatolian, Turkey
(2009)The Karaçay?r syenite, intruding the Palaeozoic crustal metamorphics and unconformably overlain by Upper Paleocene to Eocene Tokuş formation in the north of Sivas (east-central Anatolia), has been studied with respect to ... -
Lead and sulfur isotope studies of the Koru (Çanakkale, Turkey) lead-zinc deposits
(2009)Koru (Çanakkale) barite-bearing lead-zinc deposits are typical examples of the lead-zinc deposits occurring in the Tertiary volcanic rocks which crop out in the Biga Peninsula. Volcanic rocks around the investigated deposits ...