Browsing 02) Scopus İndeksli Yayınlar Koleksiyonu by Issue Date
Now showing items 21-40 of 895
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An analysis of the effect of nitrogen and a screened (by free carriers) Coulomb field on the binding energy of hydrogenic shallow donors in GaInAsN
(Academıc Press Ltd- Elsevıer Scıence Ltd, 2010)The effect of nitrogen concentration on the screening with free carriers and binding energy of hydrogenic shallow donors in GaInAsN alloys is investigated. The binding energy is calculated using a novel algebraic model ... -
Composition of the essential Oil of Teucrium chamaedrys L. (Lamiaceae) from Turkey
(Academıc Journals, 2010)The essential oil obtained by hydrodistillation from Teucrium chamaedrys L. (Lamiaceae) from Turkey was analyzed by (GC) and (GC/MS). Thirty six components in aerial parts of T. chamaedrys were identified representing ... -
Essential Oils of Two Varieties of Gundelia tournefortii L. (Asteraceae) from Turkey
(Asıan Journal Of Chemıstry, 2010)The chemical composition of the essential oils of dried aerial parts of two varieties of Gundelia tournefortii L. (var. tournefortii and var. armata Freyn and Sint.) (Asteraceae) from Turkey were analyzed by GC and GC-MS ... -
Quantum chemical studies on tautomerism and basicity behavior of some 1,2,4-triazole derivatives
(Scıentıfıc Technıcal Research Councıl Turkey-Tubıtak, 2010)The acidity constants, relative stabilities, and tautomeric equilibrium constants of some 1,2,4-triazole derivatives were determined using the density functional theory (DFT) with the B3LYP method and 6-311G(d,p) basis ... -
Measurement of gross alpha and gross beta activity concentrations in human tooth
(Elsevıer Scı Ltd, 2010)The gross alpha and gross beta activity concentrations were measured in human tooth taken from 3 to 6 age-groups to 40 and over ones. Accumulated teeth samples are investigated in two groups as under and above 18 years. ... -
Determination of culture process for obtaining basidiocarp of Pleurotus eryngii (DC. ex Fr.) Quel. var. ferulae Lanzi: A speciality mushroom
(Hortıcultural Soc Indıa, 2010)The present study is to investigate the obtained basidiocarp and culture process of P. eryngii var. ferulae grown naturally in Elazi region of Turkey. The pure mycelium cultures of P. eryngii var. ferulae was maintained ... -
Selection of optimum cutting condition of cobalt-based superalloy with GONNS
(Sprınger London Ltd, 2010)Machining of new superalloys is challenging. Automated software environments for determining the optimal cutting conditions after reviewing a set of experimental results are very beneficial to obtain the desired surface ... -
Assessment of natural radioactivity and heavy metals in water and soil around seismically active area
(Sprınger, 2010)The natural radioactivity concentration and some heavy metals in various water and soil samples collected from seismically active area have been determined. Gross-alpha and beta concentrations of different 33 water samples ... -
Using algorithms for evaluation in web based distance education
(Elsevıer Scıence Bv, 2010)Traditional assessment approaches are still being used in distance education environments. Positive changes have been experienced on dimensions of user, management and teacher in distance education systems at each passing ... -
Dissolution and Mechanism of Tincal in Ammonium Carbonate Solutions
(Asıan Journal Of Chemıstry, 2010)In this paper the dissolution and mechanism of tincal, sodium tetraborate decahydrate (Na2B4O7 center dot 10H(2)O), in ammonium carbonate solutions using the effects parameters of reaction temperature, solution concentration, ... -
Nest site selection and reproductive success of white-headed duck (Oxyura leucocephala Scopoli, 1769) in the Van Lake Basin (Turkey)
(2011)In this study we investigated the factors effecting nest-site choice of white-headed ducks (Oxyura leucocephala) at three wetlands (Lake Erçek, Lake Arin and Lake Norşin) in the Van Lake Basin, during 2007-2010. Selecting ... -
Conformational stability, the spectroscopic (FT-IR and UV), first order hyperpolarizability, NBO analysis, HOMO and LUMO analysis of 6,8-diphenylimidazo[1,2-α]pyrazine molecule by ab initio HF and density functional methods
(2011)The conformational analysis of 6,8-diphenylimidazo[1,2-α]pyrazine molecule (abbreviated as 68DIP) was performed by using B3LYP/6-31G(d) level of theory to find the most stable form. Two staggered stable conformers were ... -
Antioxidant and antimicrobial activity in the seeds of origanum vulgare L. subsp. gracile (C. Koch) Ietswaart and Origanum acutidens (Hand.-Mazz.) Ietswaart from Turkey
(2011)The present study determined some biological compounds (fatty acids, vitamins, sterols and flavonoids), radical scavenging capacity and antimicrobial activity of two Origanum L. species of Origanum vulgare L. subsp. gracile ... -
Ground state and excited state dipole moments of 6,8-diphenylimidazo[1,2- α]pyrazine determined from solvatochromic shifts of absorption and fluorescence spectra
(2011)Electronic absorption and dual fluorescence spectra of 6,8- diphenylimidazo[1,2-α]pyrazine (68DIP) was recorded in various solvents with different polarity at room temperature. The ground state (μ g) and the excited state ... -
Alterations of the oxidant / antioxidant equilibrium in liver, brain, kidney and heart tissues of offspring born from pregnant rats exposed to Aroclor 1254 alone or in combination with vitamin e [Altérations de l'équilibre oxydant / antioxydant dans les t
(2011)The aim of the study was to analyze the oxidant and antioxidant parameters in liver, kidney, brain and heart tissues of offspring from pregnant rats exposed to Aroclor 1254 alone or associated to the vitamin E. A total of ... -
Aftershock study and seismotectonic implications of the 8 March 2010 Kovanclar (Elazǧ, Turkey) earthquake (MW = 6.1)
(Blackwell Publishing Ltd, 2011)A destructive earthquake (Mw = 6.1) occurred on the northeast end of the Palu segment of the East Anatolian Fault System (EAFS, eastern Turkey) on 8 March 2010. The spatial distribution of aftershocks suggests that the ... -
Artemisia Sieberi bess. subsp. sieberi a new record for Turkey and a delete record for Turkey Artemisia herba-alba asso. (Asteraceae)
(2011)In the revision study on the genus Artemisia L. in Turkey, we observed that there were differences between the descriptions of Artemisia herba - alba Asso. in Flora Europea and Flora of Turkey and that the description of ... -
Determination of the chemical composition in the kapulukaya reservoir sediment by using the pedxrf method
(2011)In this study a multi-element analysis was conducted on the contents of the sediments found at three different sites in the Kapulukaya Dam Lake between May 2007 and November 2007. The elemental analysis of the sediment ... -
Verbascum ergin-hamzaoglui (Scrophulariaceae), a new species from South Anatolia, Turkey [Verbascum ergin-hamzaoglui (Scrophulariaceae), Türkiye'nin Güney Anadolu bölgesinden yeni bir tür]
(2011)Verbascum ergin-hamzaoglui Karavel. sp. nova (Sect. Bothrosperma Murb.), is described for the first time to the scientific community from South Anatolia in Turkey. The diagnostic morphological characters of these new species ...