Yazar "Fen-Edebiyat Fakültesi" için listeleme
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Comparatives studuy on volatile aroma compounds of two different garlic types (Kastamonu and Chinese) using gas chromatography mass spectrometry (HS-GC/MS) technique
Keleş, Davut; Taşkın, Hatıra; Baktemur, Gökhan; Kafkas, Ebru; Büyükalaca, Saadet (AFRICAN NETWORKS ETHNOMEDICINES, 2014)Backround: The medicinal use of garlic is much older than its usage as a food. The medical importance of garlic comes forward for its sulfur-containing components. In this study, it was aimed to compare Kastamonu garlic ... -
Comparison of Volatile Compounds of Fresh Boletus edulis and B. pinophilus in Marmara Region of Turkey
Bozok, Fuat; Zarifikhosroshahi, Mozhgan; Kafkas, Ebru; Taşkın, Hatira; Büyükalaca, Saadet (UNIV AGR SCI & VETERINARY MED CLUJ-NAPOCA, 2015)Boletus edulis and B. pinophrlus are commonly consumed edible species of Boletus spp. in Turkey, which are also exported to some European countries. In this study, twenty-three volatile compounds were determined with ... -
Copper-mediated N-arylation of methyl 2-aminothiophene-3-carboxylate with organoboron reagents
Rizwan, Komal; Karakaya, İdris; Heitz, Drew; Zubair, Muhammad; Rasool, Nasir; Molander, Gary A. (PERGAMON-ELSEVIER SCIENCE LTD,, 2015)A practical protocol for the synthesis of N-arylated methyl 2-aminothiophene-3-carboxylate has been developed via Chan Lam cross-coupling. The desired products were synthesized by cross-coupling of methyl 2-aminothiophen ... -
Cross-section calculations of (n, 2n) and (n, p) reactions for 69,71 Ga and 75 As target nuclei up to 20 meV
Şahan, Halide; Şahan, Muhittin; Tel, Eyyup (National Academy of Sciences of Ukraine, 2018)In the present research, neutron induced reaction cross sections of 69,71 Ga(n, 2n), 69,71 Ga(n, p), 75 As(n, 2n) and 75 As(n, p) were investigated up to 20 MeV. Three theoretical calculation codes (EMPIRE 3.2, TALYS 1.6 ... -
Curves of constant breadth according to darboux frame in galilean spaceG(3)
Bozok Gün, Hülya (UNIV NIS., 2019)In this work, the curves of constant breadth according to Darboux frame in the 3-dimensional Galilean Space are investigated. Firstly the curves of constant breadth according to Darboux frame are determined then the ... -
Curves of constant breadth according to type-2 bishop frame in E3
Gün Bozok, Hülya; Sepet, Sezin Aykurt; Ergüt, Mahmut (ANKARA UNIV., 2017)In this paper, we study the curves of constant breadth accordingto type-2 Bishop frame in the 3-dimensional Euclidean SpaceE3. Moreoversome characterizations of these curves are obtained. -
David Porter' in anıları ışığında garp ocakları'nda Türk-Amerikan mücadelesi ve Amerika' nın günümüzde bölge üzerinde politikaları
Güher, Ebru (2017)Osmanlı Devleti'nin Akdeniz'de gelişip güçlenmesinde büyük rolü olan Garp Ocakları, jeo-politik ve jeostratejik öneminden dolayı sürekli büyük güçlerin mücadele sahalarından birini oluşturmuştur. Amerika bağımsızlığını ... -
Depth dose calculations
Uğur, Fatma Aysun; Gören, Elif (EDP SCIENCES., 2017)In this study, calorimetric method is used to derive the depth doses calculation. In the experiment at the KeV level, an Ir-192 source with three different gamma energies was used. The source activity is approximately 9.15 ... -
Discrete ordinates (S-N) method for the first solution of the transport equation using Chebyshev polynomials
Öztürk, Hakan (EDP SCIENCES., 2016)First estimates for the numerical solution of the one-dimensional neutron transport equation for one-speed neutrons in a finite homogeneous slab is studied. The neutrons are assumed to be scattered isotropically through ... -
Double differential light charged particle emission cross sections for some structural fusion materials
Sarpun, İsmail Hakkı; Aydın, A.; Tel, Eyyüp (EDP SCIENCES., 2017)In fusion reactors, neutron induced radioactivity strongly depends on the irradiated material. So, a proper selection of structural materials will have been limited the radioactive inventory in a fusion reactor. First-wall ... -
Effects of cooking methods on electrophoretic patterns of rainbow trout
Baylan, Makbule; Özcan, Bahri Devrim; Küçükgülmez, Aygül; Yanar, Yasemen (PAGEPRESS PUBL, 2011)The aim of this study was to determine the effects of different cooking methods on the electrophoretic patterns of rainbow trout (Oncorhynchus mykiss) fillets using sodium dodecyl sulfate-polyacrylamide gel electrophoresis ... -
Effects of different genotypes and gamma ray doses on haploidization using irradiated pollen technique in squash
Baktemur, Gökan; Yücel, Namık Kemal; Taşkın, Hatıra; Çömlekçioğlu, Songül; Büyükalaca, Saadet (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY,, 2014)Fourteen genotypes and 3 different gamma ray doses were tested to develop an efficient haploidization protocol in squash. For this purpose, male flowers collected 1 day before anthesis were irradiated with 150, 200, and ... -
Effects of imazamox on soil carbon and nitrogen mineralization under Mediterranean climate
Kızıldağ, Nacide; Sağlıker, Hüsniye; Darıcı, Hüseyin Cengiz; Koçak, Burak (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY,, 2014)Imazamox is an herbicide intensively used in the peanut fields of Turkey. Carbon and nitrogen mineralizations were determined at 20 degrees C to evaluate the effects of the herbicide in soils humidified to 60% and 80% of ... -
Enhanced electrocatalytic efficiency of C/MWNTs for methanol oxidation using Ni deposited on MWNTs
Farsak, Murat; Gardaş, Gülfeza (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2015)The power density of direct methanol fuel cells (DMFCs) can be changed by using different anode materials. Especially porous materials are preferred for the anode. In the present study, multiwall carbon nanotubes were first ... -
Essential oil constituents of tanacetum cilicicum: Antimicrobial and phytotoxic activities
Ulukanlı, Zeynep; Demirci, Salih; Yılmaztekin, Murat (WILEY-HINDAWI, 2017)Aerial parts of Tanacetum cilicicum were hydrodistillated for 3 h using Clevenger. Essential oil (EO) yield was 0.4% (v/w). According to the GC/MS analyses, EO of T. cilicicum consisted of monoterpenes [alpha-pinene (2.95 ... -
Estimation of monthly global solar radiation in the eastern Mediterranean region in Turkey by using artificial neural networks
Şahan, Muhittin; Yakut, Emre (EDP SCIENCES., 2016)In this study, an artificial neural network (ANN) model was used to estimate monthly average global solar radiation on a horizontal surface for selected 5 locations in Mediterranean region for period of 18 years (1993-2010). ... -
Experimental detemination of convective heat transfer coefficient during open sun and green- house drying of apple slices
Çerçi, Kamil Neyfel; Kavak Akpınar, Ebru (EDP SCIENCES., 2016)A small scale greenhouse type dryer was designed and tested. Convective heat transfer coefficient of apple slices was identified under open sun at natural convection mode and in greenhouse drying at natural and forced ... -
First report on the volatile composition of tricholoma anatolicum in comparison with tricholoma caligatum
Taşkın, Hatıra; Çelik, Zeynep Dilan; Bozok, Fuat; Cabaroğlu, Turgut; Büyükalaca, Saadet (ACG PUBLICATIONS, 2019)Tricholoma anatolicum collected from Turkey is consumed by public and exported to Japan every year. It was previously identified as Tricholoma caligatum until it was recognized as a new species. In the existing literature, ... -
Forced vibration analysis of inhomogeneous rods with non-uniform cross-section
Çelebi, Kerimcan; Baran, Tarık (Academic Publication Council, 2018)Forced vibration analysis of cantilever rods is presented that have material properties and cross-section areas that arbitrarily vary in the axial direction, solved using Laplace transform in time domain and complementary ... -
Fuzzy normed rings
Aykut, Emniyet; Şahin, Mehmet (MDPI AG, 2018)In this paper, the concept of fuzzy normed ring is introduced and some basic properties related to it are established. Our definition of normed rings on fuzzy sets leads to a new structure, which we call a fuzzy normed ...