Güncel Gönderiler: Yayın Koleksiyonu
Toplam kayıt 93, listelenen: 41-60
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Frequency and voltage effects on the dielectric properties and electrical conductivity of Al-TiW-Pd2Si/n-Si structures
(ELSEVIER SCIENCE BV, 2008)Different from conventional metal-Si compounds-n-Si structures, the thin film of TiW alloy was deposited on Pd2Si-n-Si to form a diffusion barrier between aluminum (All and Pd2Si-n-Si. Dielectric properties and electrical ... -
The C-V-f and G/omega-V-f characteristics of Au/SiO2/n-Si capacitors
(ELSEVIER SCIENCE BV, 2007)Au/SiO2/n-Si metal-insulator-semiconductor (MOS) structures with thermal growth oxide layer have been fabricated. The frequency dependence of capacitance-voltage (C-P) and conductance-voltage (G/omega-V) characteristics ... -
Ab initio study of structural, electronic and dynamical properties of MgAuSn
(SPRINGER, 2007)The structural and electronic properties of MgAuSn in the cubic AlLiSi structure have been studied, using density functional theory within the local density approximation. The calculated lattice constant for MgAuSn is found ... -
The frequency and voltage dependent electrical characteristics of Al-TiW-Pd2Si/n-Si structure using I-V, C-V and G/omega-V measurements
(ELSEVIER SCIENCE BV, 2008)The forward and reverse bias capacitance-voltage (C V) and conductance-voltage (G/w-V) characteristics of Al-TiW-Pd2Si/n-Si structures have been investigated over a wide frequency range of 5 kHz-5 MHz. These measurements ... -
Taxonomic status of the genus Spermophilus (Mammalia : Rodentia) in Turkey and Iran with description of a new species
(MAGNOLIA PRESS, 2007)We report a new species of Spermophilus ( Rodentia: Sciuridae), here designated as S. torosensis sp. nov., distributed in the Taurus Mountains in southern Anatolia, Turkey. A total of 161 specimens of the genus Spermophilus ... -
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 ... -
On the karyology, morphology and biology of Chionomys gud (Satunin, 1909) (Mammalia: Rodentia) in Turkey
(UNIV ORADEA PUBL HOUSE, 2009)We examined the karyotype of Chionomys gud for the first time from Turkey, and found the values 2n=54, NF=58 and NFa=54. The X chromosome was found to be submetacentric and the Y chromosome acrocentric. Counts of embryos ... -
A NEW SPECIES OF MESOLEPTOGASTER FREY, 1937 (DIPTERA: ASILIDAE) FROM TURKEY, WITH A KEY TO PALAEARCTIC SPECIES
(AMER ENTOMOL SOC, 2009)Mesoleptogaster cappadocia n. sp. from Central Anatolia, Turkey, is described. Drawings of the male genitalia, the female spermathecae, wing, leg and antenna are provided. A key to the Palaearctic species of Mesoleptogaster ... -
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) ... -
Effects of gamma-ray irradiation on the C-V and G/omega-V characteristics of Al/SiO2/p-Si (MIS) structures
(ELSEVIER SCIENCE BV, 2008)The effect of the C-60(o) (gamma-ray) exposure oil the electrical characteristics of Al/SiO2/p-Si (MIS) structures has been investigated using capacitance-voltage (C - V) and conductance-voltage (G/omega - V) measurements. ... -
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 ... -
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 ... -
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 ... -
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 ... -
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. ... -
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. ... -
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, ... -
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 ... -
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 ...
