Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 2856, listelenen: 801-820
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Phylogenetic analysis of the genus Stachys sect. Eriostomum (Lamiaceae) in Turkey based on nuclear ribosomal ITS sequences
(Tubitak Scientific & Technical Research Council Turkey, 2013)Morphological revision and phylogenetic analysis of Stachys L. sect. Eriostomum (Hoffmanns. & Link) Dumort. (Lamiaceae) based on nuclear ribosomal internal transcribed spacer (nrITS) sequences were conducted. Morphological ... -
Generalized M*-simple groups
(Rocky Mt Math Consortium, 2013)Let X be a compact bordered Klein surface of algebraic genus p >= 2, and let G = Gamma*/Lambda be a group of automorphisms of X where Gamma* is an NEC group and Lambda is a bordered surface group. If the order of G is 4q/(q ... -
Improving the selectivity of a free base tetraphenylporphyrin based gas sensor for NO2 and carboxylic acid vapors
(Elsevier Science Sa, 2015)Langmuir-Schaefer (LS) films of a free base porphyrin 5,10,15,20-tetrakis[3,4-bis(2-ethylhexyloxy) phenyl]-21H,23H-porphine (EHO) are used in conjunction with a PMMA and carboxylic acid substituted calix[8]arene barrier ... -
Electrodeposited NiFeCu/Cu multilayers: Effect of Fe ion concentration on properties
(Elsevier, 2015)A series of 125[NiFeCu(3 nm)/Cu(1 nm)] multilayers were electrodeposited on strong (110) textured Cu substrates from electrolytes containing different Fe ion concentrations under potentiostatic control. The compositional ... -
The black sea slave trade according to the istanbul port customs register, 1606-1607
(Ashgate Publishing Ltd, 2015)The custom registers of Istanbul fill in an empty spot in the knowledge about slavery in the Ottoman Empire. -
Synthesis of new lariat cyclicdiamides and their metal complexes
(Editura Stiintifica F. M. R., 1996)Three new lariat dilactam host molecules were prepared by the reaction of triethyleneglycol dicarboxylic acid dichloride with N,N′-disubstituted-4,7-dioxa-1,10-diazadecane precursors. The amide nitrogen pivot of such ... -
Essential oils of calamintha pamphylica boiss. et Heldr. subsp. pamphylica and subsp. davisii (Quezel et Contandr.) Davis
(1997)Water-distilled essential oils of two subspecies of Calamintha pamphylica namely, subsp. pamphylica and subsp. davisii, both of which are endemic taxa to Turkey, were analyzed by GC and GC/MS. In the oil of subsp. pamphylica ... -
The synthesis of novel crown ethers. Part IV. Coumarin derivatives of [18]crown-6 and cation binding from fluorescence spectra
(Editura Stiintifica F. M. R., 1998)4-H, 4-methyl and 4-phenyl-1-benzopyran-2-one derivatives of [18]crown-6 derivatives were synthesised from 6,7- and 7,8-dihydroxy-1-benzopyran-2-one reacting with pentaethylene glycol ditosylate in K2CO3/DMF/water. The ... -
Determination of zineb in tap water and tomato samples by adsorptive catalytic stripping voltammetry
(Scientific Technical Research Council Turkey-Tubitak, 2013)This paper describes a sensitive and accurate adsorptive catalytic stripping voltammetric method for the determination of zineb (zinc ethylene-bis-dithiocarbamate) in tap water and tomato samples. The method is based on ... -
Synthesis and evaluation of new phthalazine urea and thiourea derivatives as carbonic anhydrase inhibitors
(Hindawi Publishing Corp, 2013)A new series of phthalazine substituted urea and thiourea derivatives were synthesized, and their inhibitory effects on the activity of purified human carbonic anhydrases (hCAs I and II) were evaluated. 2H-Indazolo[2,1-b ... -
Carbonic anhydrase 9 modulation by the regulative effect of hypoxia and cytokines expression in hepatocellular carcinoma
(Spandidos Publ Ltd, 2013)Özet bilgisi yok. -
Some properties of the generalized Fibonacci and Lucas sequences related to the extended Hecke groups
(Springer, 2013)In this paper, we define a sequence, which is a generalized version of the Lucas sequence, similar to the generalized Fibonacci sequence given in Koruo. glu and, Sahin in Turk. J. Math. 2009, doi:10.3906/mat-0902-33. Also, ... -
On the images of ellipses under similarities
(Ovidius Univ Press, 2013)We consider ellipses corresponding to any norm function on the complex plane and determine their images under the similarities which are special Mobius transformations. -
Karyological studies of 10 Cirsium sect. Epitrachys (Asteraceae) species from Turkey
(Tubitak Scientific & Technical Research Council Turkey, 2013)Detailed karyotype properties were established for 10 Cirsium Mill. sect. Epitrachys DC. species distributed in Turkey. The species Cirsium ligulare Boiss., C. sintenisii Freyn, C. boluense P. H. Davis & Parris, C. eriophorum ... -
Two new species of Cirsium (Asteraceae) and notes on allies from Turkey
(Tubitak Scientific & Technical Research Council Turkey, 2013)In this study, 2 new species of Cirsium Mill. sect. Epitrachys DC., Cirsium balikesirense Yildiz, Arabaci & Dirmenci and C. nerimaniae Yildiz, Dirmenci & Arabaci from Turkey, are described and illustrated. The differences ... -
Spatial-temporal variations of sulphur dioxide concentration, source, and probability assessment using a GIS-based geostatistical approach
(Hard, 2013)Ground-level sulphur dioxide is one of the air pollutants of high concern as a typical indicator of urban air quality. To inform decisions regarding, for instance, the protection of public health from elevated SO2 levels ... -
Investigation of B-x and B-y components of the magnetic flux leakage in ferromagnetic laminated sample
(Hindawi Publishing Corp, 2013)The magnetic flux leakage (MFL) technique is most commonly used for crack detection from iron bars, laminated sheets, and steel tubes of ferromagnetic nature. Magnetic flux leakage system induces a magnetic field and detects ... -
Removal of an anionic dye from aqueous solution by sepiolite using a full factorial experimental design
(Parlar Scientific Publications (P S P), 2013)Optimization of parameters by the classical batch adsorption method involves changing one independent variable and keeping the other factors constant in the same time. Classical method investigating effect of one variable ... -
Squares of congruence subgroups of the extended modular group
(Univ Miskolc Inst Math, 2013)In this paper, we generalize some results related to the congruence subgroups of modular group Gamma, given in [7] and [6] by Kiming, Schutt, and Verrill, to the extended modular group Pi. -
Genome-wide identification of alternate bearing-associated microRNAs (miRNAs) in olive (Olea europaea L.)
(BMC, 2013)Background: Alternate bearing is a widespread phenomenon among crop plants, defined as the tendency of certain fruit trees to produce a high-yield crop one year ("on-year"), followed by a low-yield or even no crop the ...
