Yayıncı "Elsevier Science Sa" Scopus İndeksli Yayınlar Koleksiyonu için listeleme
Toplam kayıt 59, listelenen: 1-20
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The analysis of the charge transport mechanism of n-Si/MEH-PPV device structure using forward bias I-V-T characteristics
(Elsevier Science Sa, 2010)In this study, temperature dependent current-voltage (I-V) measurements and investigation of the dc current transport mechanism of n-Si/MEH-PPV device have been performed. While the series resistance value displayed strongly ... -
Biosorption of chromium(VI), cadmium(II) and copper(II) by Pantoea sp TEM
(Elsevier Science Sa, 2004)Microorganisms and microbial products can be highly efficient bioaccumulators of soluble and particulate forms of metals, especially from dilute external solutions, and microbe-related technologies may provide an alternative ... -
Biosorption of Cr(III) from solutions using vineyard pruning waste
(Elsevier Science Sa, 2010)The kinetics and biosorption mechanism of Cr(III) ions on vineyard pruning waste (VPW) have been studied using different parameters such as initial concentration, biosorbent dosage, temperature, contact time and solution ... -
Characterization and investigation of the mesogenic, thermo-morphologic and thermotropic properties of new chiral (S)-5-octyloxy-2-[{4-(2-methylbuthoxy)-phenylimino(methyl]phenol liquid crystalline compound
(Elsevier Science Sa, 2008)Synthesis, characterization and investigation of the mesogenic, thermo-morphologic and thermotropic properties of a new chiral liquid crystalline compound are presented in this work. This new compound has prolate molecules ... -
Comparative study of ZnCr2O4-K2CrO4 ceramic humidity sensor using computer controlled humidity measurement set-up
(Elsevier Science Sa, 2006)A home-made ZnCr2O4-KCrO4 ceramic humidity sensor was studied using a commercially available reference humidity sensor, SHT75 from Sensirion. The main advantages of our developed set-up for humidity measurements are low ... -
A comparative study on conventional and advanced exergetic analyses of geothermal district heating systems based on actual operational data
(Elsevier Science Sa, 2013)This paper comparatively evaluates exergy destructions of a geothermal district heating system (GDHS) using both conventional and advanced exergetic analysis methods to identify the potential for improvement and the ... -
Comparing advanced exergetic assessments of two geothermal district heating systems for residential buildings
(Elsevier Science Sa, 2014)Advanced exergy analysis method has been increasingly utilized in analyzing and assessing the performance of energy-related systems in recent years due to more deeply investigating the exergy destructions. In this study, ... -
Continuous synthesis of graphite with tunable interlayer distance
(Elsevier Science Sa, 2019)A study was carried out to produce graphite with controlled interlayer distance synthesized from methane using hydrogen as modifying agent. The synthesis was carried out in radio frequency (r.f.) thermal plasma where the ... -
Conventional and advanced exergoeconomic analyses of geothermal district heating systems
(Elsevier Science Sa, 2014)The present study deals with analyzing, assessing and comparing conventional and advanced exergoeconomic analyses to identify the direction and potential for energy savings of a geothermal district heating system in future ... -
Cyanide-bridged trinuclear Mn-III-Fe-III assembly: Crystal structure, magnetic and photoluminescence behavior
(Elsevier Science Sa, 2016)A trinuclear cyanide-bridged Mn-III-Fe-III compound, [NEt4][Mn(3,5-ClL)(2)(MeOH)](2)Fe(CN)(6)], [3,5-ClLH2 = N, N'-bis(3,5-chlorosalicylidenato)-1,2-diamino propane)], 1, has been characterized by X-ray analyses, magnetic ... -
The effect of GaN thickness inserted between two AlN layers on the transport properties of a lattice matched AlInN/AlN/GaN/AlN/GaN double channel heterostructure
(Elsevier Science Sa, 2014)One AlInN/AlN/GaN single channel heterostructure sample and four AlInN/AlN/GaN/AlN/GaN double channel heterostructure samples with different values of the second GaN layer were studied. The interface profiles, crystalline ... -
Effect of high temperature sintering on the structural and the magnetic properties of La1.4Ca1.6Mn2O7
(Elsevier Science Sa, 2011)We investigate the effect of sintering temperature on the structural and magnetic properties of La1.4Ca1.6Mn2O7 double perovskite manganite compound prepared by the sol-gel route. Three sintering temperatures (1273, 1473 ... -
Effect of manganese on the creep behavior of magnesium and the role of alpha-Mn precipitation during creep
(Elsevier Science Sa, 2012)Mg-Mn binary alloys (Mn <2 wt%) exhibit superior creep resistance over pure Mg, even though the only stable precipitate (alpha-Mn) has no significant effect on the room-temperature (RT) mechanical properties of Mg. To ... -
Efficient pathway for CO2 transformation to cyclic carbonates by heterogeneous Cu and Zn salen complexes
(Elsevier Science Sa, 2012)A series of silica supported Salen type Zn(II) and Cu(II) complexes were prepared and characterized. The obtained materials were characterized by X-ray diffraction (XRD), sorption measurement (BET), Fourier transform ... -
Electrical characterization of a-Si:H(n)/c-Si(p) structure
(Elsevier Science Sa, 2011)In this study, n-type hydrogenated amorphous silicon (a-Si:H) was fabricated on p-type crystalline silicon (c-Si) substrates to obtain heterojunction diodes. The amorphous films were obtained by the Plasma Enhanced Chemical ... -
Electrical characterization of Au/Pd/n-GaN/Pd/Au device structure in the radio frequency range by simulation study
(Elsevier Science Sa, 2011)GaN based devices are highly promising optoelectronic devices for many years due to their useful applications in photovoltaic energy conversation, fiber optic communication and atmosphere monitoring. GaN based devices such ... -
Electrical characterization of novel Si solar cells
(Elsevier Science Sa, 2006)A new approach for hybrid metal-insulator-semiconductor Si solar cells is adopted by the Institute of Fundamental Problems for High Technology, Ukrainian Academy of Sciences. in this technique, the porous silicon layers ... -
Electrochemical biosensors for influenza virus a detection: The potential of adaptation of these devices to POC systems
(Elsevier Science Sa, 2018)Influenza virus A still causes serious pandemics every year which result in high mortality. Though there are promising developments involving newly emerged diagnostic tests for the detection of this virus, the "perfect" ... -
Frequency and voltage dependent surface states and series resistance of novel Si solar cells
(Elsevier Science Sa, 2006)The forward and reverse bias capacitance-voltage (C-V) and conductance-voltage (G/omega-V) characteristics of novel Si solar cells are studied over a wide frequency and temperature range of 10-500 kHz and 79-400 K, ... -
Graphite epoxy composite electrodes modified with bacterial cells
(Elsevier Science Sa, 2006)The modification of a graphite-epoxy composite electrode (GECE) with bacterial cells along with an analytical application are presented. Pseudomonas putida DSM 50026 was used as a biological component and the measurement ...