Güncel Gönderiler: Matematik ve Fen Bilimleri Eğitimi Bölümü
Toplam kayıt 129, listelenen: 81-100
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The distribution of the barrier height in Al-TiW-Pd2Si/n-Si Schottky diodes from I-V-T measurements
(IOP PUBLISHING LTD, 2008)The forward and reverse bias current-voltage ( I-V) characteristics of Al-TiW-Pd2Si/n-Si Schottky barrier diodes ( SBDs) were measured in the temperature range of 300-400 K. The estimated zero-bias barrier height Phi(B0) ... -
REDESCRIPTION OF THE FEMALE AND VARIABILITY OF CRYPTOCEPHALUS (ASIONUS) PSEUDOREITTERI TOMOV, 1976 (COLEOPTERA, CHRYSOMELIDAE, CRYPTOCEPHALINAE) IN TURKEY
(AMER ENTOMOL SOC, 2008)Cryptocephalus (Asionus) pseudoreitteri Tomov, 1976 is a poorly known species. Recently, seven additional specimens of this rare species were collected out of the type locality. The little known female of this species is ... -
Secondary education teachers' opinions about the chemistry curriculum implemented in secondary education in 1992
(TURKISH EDUCATION ASSOC, 2008)This study aims to examine the opinions of secondary school teachers about the chemistry curricula which have been implemented in Turkey since 1992. For this purpose, a survey has been conducted with chemistry teacher ... -
Metacognitive Behaviours of the Eighth Grade Gifted Students in Problem Solving Process
(WYDAWNICTWO ADAM MARSZALEK, 2011)This research aims to examine how gifted students exert their metacognition in each problem-solving step while solving a problem. In this sense, the researchers gave four students of the 8th grade three mathematics problems. ... -
Morphological analyses of some Palaearctic Stenopogon Loew, 1847 (Diptera: Asilidae: Stenopogoninae) based on the spermatheca structure
(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2010)Females of some Stenopogon species were compared both systematically and phylogenetically utilizing spermatheca morphology The spermathecae of 8 species and 2 subspecies of Stenopogon (S. coracinus, S. elongatus S. ... -
Phonon and elastic properties of AlSc and MgSc from first-principles calculations
(ELSEVIER SCIENCE BV, 2010)First principle calculations of structural, electronic, elastic, and phonon properties of the intermetallic compounds like MgSc and AlSc in the B2 (CsCl) structure are presented in this study, using the pseudo-potential ... -
Electronic and phonon properties of Sc-TM (TM = Ag, Cu, Pd, Rh, Ru) compounds
(ELSEVIER SCIENCE BV, 2010)A theoretical study of structural, electronic and phonon properties of the Sc-TM (TM = Ag, Cu, Pd, Rh, Ru) in the B2 phase was presented using the density functional theory within the generalized gradient approximation ... -
Allozyme Variation in Wild Rats Rattus norvegicus (BERICENHOUT 1769) (Mammalia: Rodentia) from Turkey
(INST ZOOLOGY, BAS, 2010)The genetic diversity of 22 allozyme loci was investigated in 33 wild rat (Rattus norvegicus) specimens from 4 sub-populations. Eight of the 22 loci (Pgm, Hk, Me-M, Ldh, alpha-Gpdh-1, alpha-Gpdh-2, Fum, Xdh) were polymorphic. ... -
Structural, electronic and phonon properties of MoTa and MoNb: a density functional investigation
(IOP PUBLISHING LTD, 2010)First-principles calculations were performed to investigate the structural, electronic and phonon properties of MoTa and MoNb in the CsCl (B2) phase. The calculated lattice constants, static bulk modulus and first-order ... -
Ab initio calculation of structural, electronic and phonon properties of ZrRu and ZrZn in B2 phase
(ELSEVIER SCIENCE BV, 2011)The structural, electronic and dynamic properties of cesium chloride, ZrRu and ZrZn were studied by employing an ab initio pseudopotential method and a linear response scheme, within the generalized gradient approximation. ... -
Exploring Students' Ideas About Risks and Benefits of Nuclear Power Using Risk Perception Theories
(SPRINGER, 2013)Due to increased energy demand, Turkey is continuing to explore the possibilities of introducing nuclear power. Gaining acceptance from local populations, however, may be problematic because nuclear power has a negative ... -
Turkish Student Science Teachers' Conceptions of Sustainable Development: A phenomenography
(ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2013)In creating a society whose citizens have sustainable lifestyles, education for sustainable development (ESD) plays a key role. However, the concept of sustainable development (SD) has developed independently from the input ... -
Phylogeny of species and cytotypes of mole rats (Spalacidae) in Turkey inferred from mitochondrial cytochrome b gene sequencees
(INST VERTEBRATE BIOLOGY AS CR, 2012)We described the genetic variation of cytochrome b gene sequences of blind mole rats in Turkey. We examined 47 individuals belonging to nine cytotypes of three superspecies Nannospalax leucodon, N. xanthodon and N. ehrenbergi ... -
Development of attitude scale in the context of sustainable environmental education
(SILA SCIENCE, 2012)The rapid disappearance of natural resources and residential areas as a result of industrial and technological improvements necessitated precautions to be taken in this issue. In fact, the idea of sustainable development ... -
Allozyme variation in bank vole, Myodes glareolus (Mammalia: Rodentia) in Northern Anatolia
(PERGAMON-ELSEVIER SCIENCE LTD, 2013)A total of 94 specimens from 16 populations of Myodes glareolus, collected between 2004 and 2007, from different altitudinal distributions were analyzed, using 16 enzyme systems. We found that 10 out of 22 loci (Idh-2, ... -
First-principles study of electronic and dynamic properties of AgMg and AgZn
(PERGAMON-ELSEVIER SCIENCE LTD, 2012)The structural, electronic, and phonon properties of AgMg and AgZn in the cesium-chloride phase have been investigated using the density functional theory (DFT) within the local density approximation (LDA). The calculated ... -
Electronic and phonon properties of the full-Heusler alloys X2YAl (X = Co, Fe and Y = Cr, Sc): a density functional theory study
(SPRINGER, 2014)First-principle calculations have been carried out on the structural, electronic, elastic, and phonon properties of the full-Heusler alloys X2YAl (X = Co, Fe and Y = Cr, Sc). The calculations predict that the Fe2CrAl and ... -
Ab-initio study of the structural, electronic, elastic and vibrational properties of the intermetallic Pd3V and Pt3V alloys in the L1(2) phase
(KOREAN INST METALS MATERIALS, 2014)Pseudopotential plane-wave method based on density functional theory within the generalized gradient approximation for the exchange-correlation potential has been applied to study the structural, electronic, elastic and ... -
Ab Inıtıo Study Of Phonon Dıspersıon And Elastıc Propertıes Of L1(2) Intermetallıcs Ti3al And Y3al
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2013)In this paper, the structural, elastic and phonon properties of Ti3Al and Y3Al in L1(2)( Cu3Al) phase are studied by performing first- principles calculations within the generalized gradient approximation. The calculated ... -
School Students' Conceptions about Biodiversity Loss: Definitions, Reasons, Results and Solutions
(SPRINGER, 2013)Environmental degradation stemming from anthropocentric causes threatens the biodiversity more than ever before, leading scholars to warn governments about the impending consequences of biodiversity loss (BL). At this ...
