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Affine Osserman connections and their Riemann extensions
Garcia-Rio, E; Kupeli, DN; Vazquez-Abal, ME; Vazquez-Lorenzo, R (Elsevier BV, 1999-09-01)
Osserman property is studied for affine torsion-free connections with special attention to the 2-dimensional case. As an application, examples of nonsymmetric and even not locally homogeneous Osserman pseudo-Riemannian met...
Thermally stimulated current in layered semiconductor TlInS2 with incommensurate phase
Ozdemir, S; Suleymanov, RA; Civan, E; Firat, T (1996-05-01)
The thermally stimulated current (TSC) is studied in the temperature range between the commensurate phase (CP) and incommensurate phase (ICP) in layered semiconductor TIInS2. It is shown that the successive thermocyclings ...
Variations in the hysteretic behavior of LRBs as a function of applied loading
ÖZDEMİR, GÖKHAN; BAYHAN, BEYHAN; Gulkan, Polat (2018-07-10)
The study presented herein focused on the change in hysteretic force-deformation behavior of lead rubber bearings (LRBs). The material model used to idealize response of LRBs under cyclic motion is capable of representing ...
A NEW CRYOSTAT AND TEMPERATURE CONTROLLER FOR TSC MEASUREMENTS
OZDEMIR, S; DEMIRBAS, A; OZAVCI, E (IOP Publishing, 1993-03-01)
A linear temperature controller and a cryostat have been developed to measure thermally stimulated current (TSC) in CdS, a-Si:H and CdTe in order to determine the trapping characteristic. In this paper, the temperature con...
INVESTIGATING REPRESENTATIONAL FLUENCY IN MODELING PROCESS: THE EXPERIENCE OF PRE-SERVICE TEACHERS WITH A CASSETTE PROBLEM
Kertil, Mahmut; Delice, Ali; AYDIN, EMİN (2009-07-24)
As a part of larger research on pre-service teachers mathematical modeling abilities, this study investigates pre-service teachers' representational fluency, and its effect on modeling process in one modeling activity, tha...
Present and future prospects of the use of information technology in schools in Turkey
Ozar, M; Askar, P (Springer Science and Business Media LLC, 1997-01-01)
TEMPERATURE-DEPENDENT ELECTRICAL CHARACTERISTICS OF AL-SIOX-PSI SOLAR-CELLS
OZDEMIR, S; ALTINDAL, S (Elsevier BV, 1994-02-01)
Current-voltage (I-V) and capacitance-voltage (C-V) characteristics of Al-SiOx-pSi metal-insulator-semiconductor (MIS) solar cells were measured in the temperature range between 295 K and 375 K. The semilogarithmic plot of...
Designing a magic flask: a new activity for teaching nature of science in both formal and informal learning environments
Eren-Sisman, Ece N.; KÖSEOĞLU, FİTNAT (2019-12-17)
The magic flask, which is a kind of black box activity, builds an environment for science teachers to discuss nature of science in a formal or/and informal learning environment in the context of the history of science thro...
Pre-service science teachers' use of self-regulation strategies
ŞENLER, BURCU; Sungur-Vural, Semra (2014-06-08)
The aim of this study was twofold: first, to examine the relationship between use of self-regulation strategies and academic performance; and second, to analyze gender differences in use of self-regulation strategies. For ...
The comparison of finnish and Turkish physics curricula
Ustun, Ulas (2010-02-08)
In Turkey, after revisions in science and technology curricula in elementary education, the development of new secondary physics curricula has been finished very recently. These new curricula include some innovations in di...