Yayıncı "PERGAMON-ELSEVIER SCIENCE LTD" için listeleme
Toplam kayıt 39, listelenen: 21-39
-
On the evaluation of energy behavior of radiation fields generated by exoergic reactions in axi-symmetric emitters
(PERGAMON-ELSEVIER SCIENCE LTD, 2010)The analytical characterization of the spatial dependency of the mean energy particles produced in non-dispersive media by exoergic reactions having axial symmetry is important in the study of these nuclear reactions. The ... -
On the evaluation of rectangular plane-extended sources and their associated radiation fields
(PERGAMON-ELSEVIER SCIENCE LTD, 2007)The objective of this paper is to provide an efficient and reliable analytical procedure for the evaluation of rectangular plane-extended sources and their associated radiation fields. Integrals with integer and non-integer ... -
Pairwise FCM based feature weighting for improved classification of vertebral column disorders
(PERGAMON-ELSEVIER SCIENCE LTD, 2014)In this paper, an innovative data pre-processing method to improve the classification performance and to determine automatically the vertebral column disorders including disk hernia (DH), spondylolisthesis (SL) and normal ... -
Quantum-chemical, spectroscopic and X-ray diffraction studies of (E)-2-[(2-Bromophenyl)iminomethyl]-4-trifluoromethoxyphenol
(PERGAMON-ELSEVIER SCIENCE LTD, 2012)The Schiff base compound (E)-2-[(2-Bromophenyl)iminomethyl]-4-trifluoromethoxyphenol has been synthesised and characterised by IR, UV-vis, and X-ray single-crystal determination. The molecular geometry from X-ray determination ... -
Seismic damage evaluation of historical structures during Van earthquake, October 23, 2011
(PERGAMON-ELSEVIER SCIENCE LTD, 2015)Seismic risk assessment of historical structures (mosques, churches, monuments, towers, palaces, aqua structures, etc.) has attracted many researchers' attention for the last few decades. This paper aims at investigating ... -
Seismic vulnerability of masonry Jack arch slabs
(PERGAMON-ELSEVIER SCIENCE LTD, 2017)After the industrial revolution, the use of jack arch slabs (JAS) was quite common in many historical structures with the availability of iron and steel in structural engineering field. JAS is a composite system of steel ... -
Soft groups and normalistic soft groups
(PERGAMON-ELSEVIER SCIENCE LTD, 2011)Soft set theory, proposed by Molodtsov, has been regarded as an effective mathematical tool to deal with uncertainties. In this paper, first we correct some of the problematic cases in a previous paper by Aktas and Cagman ... -
Soft substructures of rings, fields and modules
(PERGAMON-ELSEVIER SCIENCE LTD, 2011)tool to deal with uncertainties. In this paper, we introduce and study soft subrings and soft ideals of a ring by using Molodtsov's definition of the soft sets. Moreover, we introduce soft Soft set theory, proposed by ... -
Structural, vibrational and theoretical studies of anilinium trichloroacetate: New hydrogen bonded molecular crystal with nonlinear optical properties
(PERGAMON-ELSEVIER SCIENCE LTD, 2014)In this work, we report a combined experimental and theoretical study on molecular structure, vibrational spectra and NBO analysis of the potential nonlinear optical (NLO) material anilinium trichloroacetate. The FT-IR and ... -
Surface chemical conversion of 3-glycidoxypropyldimethylethoxysilane on hydroxylated silicon surface: FT-IR, contact angle and ellipsometry analysis
(PERGAMON-ELSEVIER SCIENCE LTD, 2012)The chemical conversion of the top surface of 3-glycidoxypropyldimethylethoxysilane (GPDMES) on hyroxylated silicon surface has been studied as a function of reaction time. A multiple-step procedure was applied in this ... -
Synthesis and characterization of new cyclotriphosphazene compounds
(PERGAMON-ELSEVIER SCIENCE LTD, 2013)In the present study, Spiro (1a), dispiro (1b, 2, 3), per-substituted spermine-bridged (6-9) and dispiroansa spermine (10) derivatives of cyclotriphosphazene have been synthesized. The structures of the novel compounds ... -
Synthesis, spectroscopic (FT-IR/NMR) characterization, X-ray structure and DFT studies on (E)-2-(1-phenylethylidene) hydrazinecarboximidamide nitrate hemimethanol
(PERGAMON-ELSEVIER SCIENCE LTD, 2013)The title molecular salt, (E)-2-(1-phenylethylidene) hydrazinecarboximidamide nitrate hemimethanol (C9H13N4+center dot NO3-center dot 0.5CH(4)O), was synthesized and characterized by elemental analysis, FT-IR and NMT ... -
Synthesis, spectroscopic and structural characterization of 5-benzoyl-4-phenyl-2-methylthio-1H-pyrimidine with theoretical calculations using density functional theory
(PERGAMON-ELSEVIER SCIENCE LTD, 2013)In this paper, we will report a combined experimental and theoretical investigation of the molecular structure and spectroscopic parameters (FT-IR, H-1 NMR, C-13 NMR) of 5-benzoyl-4-phenyl-2-methylthio-1H-pyrimidine. The ... -
Synthesis, structural characterization and comparison of experimental and theoretical results by DFT level of molecular structure of 4-(4-methoxyphenethyl)-3,5-dimethyl-4H-1,2,4-triazole
(PERGAMON-ELSEVIER SCIENCE LTD, 2013)4-(4-Methoxyphenethyl)-3,5-dimethyl-4H-1,2,4-triazole (3) was synthesized from the reaction of ethyl N'-acetylacetohydrazonate (1) with 2-(4-methoxyphenyl)ethanamine (2). The structure of the title compound 3 has been ... -
Synthesis, structure characterization and antimicrobial evaluation of 4-(substituted phenylazo)-3,5-diacetamido-1H-pyrazoles
(PERGAMON-ELSEVIER SCIENCE LTD, 2013)The present article deals with the synthesis, spectral characterization and antimicrobial activity of phenylazo dyes. All of the synthesized phenylazo dyes were characterized using ATR-FTIR, FT-Raman, H-1 NMR, C-13 NMR, ... -
Thermal performance assessment of internal longitudinal fins with sinusoidal lateral surfaces in parabolic trough receiver tubes
(PERGAMON-ELSEVIER SCIENCE LTD, 2019)In this study, the effect of the internal longitudinal fins with the flat and sinusoidal lateral surface on the thermal performance of the parabolic trough receiver tube was investigated. Nusselt number (Nu), friction ... -
Thermal stratification enhancement in cylindrical and rectangular hot water tanks with truncated cone and pyramid shaped insulation geometry
(PERGAMON-ELSEVIER SCIENCE LTD, 2018)Thermal stratification enhancement in hot water tanks improves the efficiency of solar water heating systems by providing the increase in utilization of the solar energy. In the present study, it was aimed to increase ... -
Two new chelidamate complexes with the 4-methoxypyridine: A combined theoretical and experimental study
(PERGAMON-ELSEVIER SCIENCE LTD, 2015)Two new mixed chelidamate complexes, [M(chel)(mhpOCH(3))center dot 2H(2)O]center dot 2H(2)O [M = Ni(II) (1); Co(II) (2); chel: chelidamate or 4-hydroxypyridine-2,6-dicarboxylate; mhp: 4-methoxypyridine], were prepared and ... -
A validity and reliability study of the computational thinking scales (CTS)
(PERGAMON-ELSEVIER SCIENCE LTD, 2017)It is possible to define Computational Thinking briefly as having the knowledge, skill and attitudes necessary to be able to use the computers in the solution of the life problems for production purposes. In this study, a ...