Başlık için listeleme
Toplam kayıt 26533, listelenen: 19116-19135
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Quantitative X-ray diffraction analysis of reactive infiltrated boron carbide-aluminium composites
(Elsevier Sci LTD, 2003)Dense (> 98% of theoretical) boron carbide, (B4C)-aluminium (Al) composites were produced between 985 and 1370 degreesC by pressureless melt infiltration of Al alloys into porous B4C compacts under. argon (Ar) atmosphere. ... -
Quantum chemical and experimental studies on the mechanism of alkylation of beta-dicarbonyl compounds. The synthesis of five and six membered heterocyclic spiro derivatives
(MDPI, 2004)The alkylation of beta-dicarbonyl compounds in a K2CO3/DMSO system was found to afford O- and C-alkylated derivatives, depending on the type of the P-dicarbonyl compound involved. The alkyl derivatives obtained were used ... -
Quantum chemical studies on some 1,2,4-triarylsubstituted imidazoles
(Elsevier Science BV, 2002)The geometries, proton affinities and thermodynamic properties of some 1,2,4-triarylsubstituted imidazole derivatives were calculated with full geometry optimization using AM1 and PM3 methods in aqueous phase. A possible ... -
A quantum chemical study on structure of 1,2-bis(diphenylphosphinoyl)ethane and hydroquinone cocrystal
(Elsevier Science BV, 2005)The cocrystal of 1,2-Bis(diphenylphosphinoyl)ethane (DPPEO) with hydroquinone (HQ) (1: 1) were studied theoretically with MINDO/3, MNDO, PM3 and AM I semi-empirical methods to elucidate its structure. The bond lengths and ... -
A quantum chemical study on structure of 1,2-bis(diphenylphosphinoyl)ethane and phenol cocrystal
(Elsevier Science BV, 2004)The cocrystal of 1,2-bis(diphenylphosphinoyl)ethane (DPPEO) with phenol (1: 1) were studied theoretically with AM1, PM3, MNDO and MINDO/3 semi-empirical methods to elucidate its structure. The bond lengths and angles from ... -
A quantum chemical study on structures of (+)-(R)-2,2-bis(diphenylphosphinoyl)-1,1 '-binaphthyl and its hydroquinone complex
(Elsevier Science BV, 2005)The (+)-(R)-2,2-bis(diphenylphosphinoyl)-1,1'-binaphthyl ((+)-(R)-BINAPO) and its cocrystal with hydroquinone (HQ) (1:1) were studied theoretically with AM1, PM3, MNDO and MINDO/3 semi-empirical methods to elucidate their ... -
The quantum confined Stark effect in silicon nanocrystals
(IOP Publishing LTD, 2008)The quantum confined Stark effect (QCSE) in Si nanocrystals embedded in a SiO(2) matrix is demonstrated by photoluminescence (PL) spectroscopy at room and cryogenic temperatures. It is shown that the PL peak position shifts ... -
Quantum dot nanocrystals having guanosine imprinted nanoshell for DNA recognition
(Elsevier Science BV, 2008)Molecular imprinted polymers (MIPs) as a recognition element for sensors are increasingly of interest and MIP nanoparticles have started to appear in the literature. In this study, we have proposed a novel thiol ligand-capping ... -
Quantum lifetimes and momentum relaxation of electrons and holes in Ga0.7In0.3N0.015As0.985/GaAs quantum wells
(Taylor & Francis LTD, 2011)Electronic transport in n-and p-type modulation-doped Ga0.7In0.3N0.015As0.985/GaAs quantum wells are investigated using magneto-transport measurements in the temperature range between T = 1.8 and 32K and at magnetic fields ... -
Quantum Molecular Resonance-Assisted Phonomicrosurgery: Preliminary Experience
(SAGE Publications LTD, 2015)The objective of this study was to evaluate the use of quantum molecular resonance (QMR) energy in phonomicrosurgery. Quantum molecular resonance energy (QMRE) is an innovative technology that provides low temperature ... -
Quartz crystal microbalance based nanosensor for lysozyme detection with lysozyme imprinted nanoparticles
(Elsevier Advanced Technology, 2010)The aim of this study is to prepare quartz crystal microbalance (QCM) nanosensor for the real-time detection of lysozyme. In the first part, the lysozyme imprinted (MIP) nanoparticles were prepared by mini-emulsion ... -
Quasi-professional educational environment in the professional training of future teachers
(Anadolu Üniversitesi, 2023)During the distance education process caused by COVID-19, students do not have sufficient opportunity to do pedagogical practice, which requires strengthening their practice-oriented component of learning in other forms. ... -
Quasi-Sasakian Structures on 5-Dimensional Nilpotent Lie Algebras
(Ankara University, Fac Sci, 2019)In this study, we examine the existence of quasi-Sasakian structures on nilpotent Lie algebras of dimension five. In addition, we give some results about left invariant quasi-Sasakian structures on Lie groups of dimension ... -
Quaternary Ammonium Compound as Bactericide in Hide Brine Curing and Presoaking Processes
(Amer Leather Chemists Assoc, 2012)Inactivation of bacterial activity on hides is necessary during brine curing and presoaking processes. Therefore, bactericidal effect of 0.02% quaternary ammonium compound containing didecyl dimethyl ammonium chloride and ... -
The Quaternion Representation of Static Gravitational Field: Poisson’s Equation
(Anadolu Üniversitesi, 2001)The quaternions are numbers which have division algebra. This property advantages for physicists. So, Quaternions can be used in the each field of physics and, physical quantities can be represented by the quaternions. In ... -
The quaternionic energy conservation equation for acoustic
(Slovak Acad Sciences Inst Physics, 2003)After introducing the quaternions and its algebra, the equations of the linear acoustics are defined. The local conservation equation for energy of the linear acoustics using quaternions and a quaternionic first-order ... -
The quay construction with concrete caisson in Belde container port in Turkey
(International Society Offshore& Polar Engineers, 2001)Belde port area is situated on the northeastern coast of the Marmara Sea, approximately 45 km east of Istanbul-Turkey. Belde port site is near to the industrial area around the Gebze in the district of Dilovasi, which is ... -
Quentin Tarantino sinemasında postmodern kavramlar
(Anadolu Üniversitesi, 2016)Modernlikten bir kopuş olarak değerlendirilen postmodernizm, 1980'lerden itibaren modernizm serüveninin bir parçası olan filmlerde karşılık bulmaya başlamıştır. Bu çalışma, postmodernizmin Quentin Tarantino filmlerine nasıl ... -
Quercetin and Cisplatin combined treatment altered cell cycle and mitogen activated protein kinase expressions in malignant mesotelioma cells
(Bmc, 2016)Background: Malignant mesothelioma is a locally aggressive and highly lethal neoplasm of pleural, peritoneal and pericardial mesothelial cells without successful therapy. Previously, we reported that Quercetin in combination ... -
Quinazolinones, XVII1): Synthesis and Pharmacological Activities of Some Antipyryloxoalkylthioquinazolinones
(1990)Chinazolinone, 17. Mitt.1): Synthese und pharmakologische Wirksamkeit einiger Antipyryloxoalkylthiochinazolinone Copyright © 1990 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
