Başlık için Fen Fakültesi listeleme
Toplam kayıt 2379, listelenen: 21-40
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4-Methyl-N-(4-methylphenylsulfonyl)-N-phenylbenzenesulfonamide
(2014)The whole molecule of the title compound, C20H 19NO4S2, is generated by twofold rotational symmetry. The N atom is located on the twofold rotation axis and has a trigonal-planar geometry. It is bonded by two S atoms of two ... -
6,6´-{OKSİBİS[(p-FENİLEN)İMİNOMETİL]}BİS-(2-tert-BÜTİLFENOL) SCHIFF BAZININ MİKRODALGA IŞINLAMA YOLUYLA SENTEZİ, YAPI KARAKTERİZASYONU, TAUTOMERİK ve SOLVATOKROMİK ÖZELLİKLERİNİN DENEYSEL VE TEORİK OLARAK İNCELENMESİ
(2016)3-tert-Bütilsalisilaldehitin (1) 4,4'-diaminodifenil eter (2) ile kondenzasyon reaksiyonundan yararlanılarak 6,6´-{oksibis[(pfenilen)iminometil]}bis-(2-tert-bütilfenol) (3) sentezi, mikrodalga-ışınlama yöntemi kullanılarak ... -
6-(2-Fluorobenzoyl)-3-(2-(4-(4-fluorophenyl)piperazin-1-yl)-2-oxoethyl)benzo[d]thiazol-2(3H)-one drug molecule structure and its interaction with atmospheric pressure plasma jet
(Elsevier Science BV, 2017)The structure, conformational stability and vibrational frequencies of 6-(2-fluorobenzoyl)-3-(2-(4-(4-fluorophenyl)piperazin-1-yl)-2-oxoethyl)benzo[d]thiazol-2(3H)-one (abbreviated as 6FOT) drug molecule in the ground state ... -
8-Boyutta Hiperbolik Uzaylarda Seıberg - Witten Denklemleri
(2017)4 ? manifoldların yapısını incelemekte kullanılan Seiberg?Witten denklemleri, Dirac denklemi ve Eğrilik denklemi olmak üzere iki denklemden oluşmaktadır. Bu denklemlerin yüksek boyutlarda da self –dualite seçimine bağlı ... -
8th Grade Students' Construction Processes of the Concept of Slope
(Turkish Education Assoc, 2017)Slope is a fundamental concept for numerous higher mathematical concepts, especially for derivative. Moreover, this concept is a cornerstone in many different areas such as art, architecture, engineering, and physics. Prior ... -
9-Benzyl-9H-carbazole
(Wiley-Blackwell, 2010)The asymmetric unit of the title compound, C(19)H(15)N, contains two crystallographically independent molecules. In both molecules, the planar carbazole moieties [maximum deviations = 0.037 (4) and 0.042 (3) angstrom] are ... -
An ab initio study on protonation of some substituted thiazole derivatives
(Elsevier Science BV, 2005)The preferred tautomeric forms of some 2-oxothiazole derivatives were predicted using acidity constants calculated by experimental and ab initio methods. Thiazole derivatives were subject to geometry optimization at two ... -
The ability of students to comprehend the function-derivative relationship with regard to problems from their real life
(2009)This study investigated whether students who are studying calculus were able to determine the graph of the derivative of the functions related to the problems they come across in their daily lives or in applied science. A ... -
Absorption and emission processes in noncommutative space
(World Scientific Publ Co Pte LTD, 2006)Atom-field interaction and absorption, emission of photons in noncommutative space are investigated. We calculate the rate and the directional distribution of the radiation. The modified selection rules which govern allowed ... -
Absorption mechanism, structural and electronic properties of MC19 (M = B and Si) fullerenes with 1-acetylpiperazine
(Sage Publications Inc, 2018)The interaction mechanisms of undoped, silicon- and boron-doped C20 fullerenes and 1-acetylpiperazine (1-ap) were investigated. Stability, electronic properties, influence of water on the solubility and stability, molecular ... -
Ac electrical properties of Cu (Zn, Cd) $InS_2$ films produced by the spray pyrolysis method
(2003)M-Cu(Zn,Cd)$InS_2$-M bileşik yarıiletkenler planar formda "spray pyrolysis" yöntemiyle elde edilmiştir. Film iletkenliğinin $(omega)$ frekansa $(sigma)$ bağımlılığı incelenmiştir. Yüksek frekanslarda iletkenliğin $omega^s$ ... -
Accelerating backpropagation using effective parameters at each step and an experimental evaluation
(Taylor & Francis LTD, 2008)An acceleration of backpropagation algorithm with momentum (BPM) is introduced. At every stage of the learning process, local quadratic approximation of the error function is performed and the Hessian matrix of the quadratic ... -
Acceptor formation in Mg-doped, indium-rich GaxIn1-xN: evidence for p-type conductivity
(Springer, 2012)We report on the Mg-doped, indium-rich Ga (x) In1-x N (x < 30). In the undoped material, the intrinsic electron density is very high and as a result there is no detectable photoconductivity (PC) signal within the range of ... -
Acid pH produced by lactic acid bacteria prevent the growth of Bacillus cereus in boza, a traditional fermented Turkish beverage
(Blackwell Publishing Inc, 2005)The growth and survival of Bacillus cereus, a known pathogen commonly found in cereals, during lactic acid fermentation of boza, a traditional Turkish cereal beverage, was studied. In the boza base inoculated with both the ... -
Acid treated mordenites as adsorbents of C2H4 and H-2 gases
(Elsevier Science BV, 2017)In this study, a mordenite-rich tuff (M) from the Sile region (NW Turkey) was treated with HNO3 and H2SO4 at various concentrations (1.0, 3.0 and 5.0 M) at 80 degrees C for 3 h. The adsorption properties of ethylene (C2H4) ... -
The acidities of some indoles
(Elsevier Science BV, 2002)We wish to present an experimental and theoretical study for the estimation of pK(a) values of some 1-, 2- and 1,2-substituted indoles in aqueous solution by spectroscopic and semiempirical methods. The all possible ... -
Acidity constant determination of novel drug precursor benzothiazolon derivatives including acyl and piperazine moieties
(Pergamon-Elsevier Science LTD, 2013)In this study, protonation and deprotonation behaviors of eight new drug precursor benzothiazolon derivatives in all of acidic and basic scale (super acidic, pH, super basic regions) are analyzed by using UV-visible ... -
Acidity study on 3-substituted pyridines
(MDPI AG, 2005)A comprehensive theoretical study for the protonation of some 3-substituted pyridines has been carried out in aqueous solution (epsilon = 78.4) by semi empirical AM1 method in MOPAC2000 and PM5 method in MOPAC2002. Solvent ... -
Acidity study on some pyridazines
(Elsevier Science BV, 2004)The tautomeric, conformational equilibrium positions, and pK(a) values of some pyridazine derivatives 1-17 have been examined by means of semi empirical AM1 COSMO calculations in aqueous solution (epsilon=78.4). The results ...