Güncel Gönderiler: İlköğretim Bölümü
Toplam kayıt 69, listelenen: 21-40
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Determination of antimony by using tungsten trap atomic absorption spectrometry
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)An electrically heated tungsten coil was used as a trap in the determination of antimony. The technique consists of three steps. Initially, SbH(3) is formed by hydride generation procedure; then the analyte species in vapor ... -
Application of factorial design in optimization of nickel preconcentration by solid phase extraction and its determination in water and food samples by flame atomic absorption spectrometry
(CANADIAN SOC ANALYTICAL SCIENCES & SPECTROSCOPY, 2007)A procedure for the preconcentration and determination of trace nickel in water and food samples using flame atomic absorption spectrometry (FAAS) is presented. It is based on column solid-phase extraction of nickel(II) ... -
An Examination Of The Relationshıp Between Teachers' Professional Self-Esteem And Empathic Skills
(SOC PERSONALITY RES INC, 2009)The relationship between teachers' professional self-esteem and empathic skills was assessed. Participants were 216 female teachers working in preschools in the city center of Ankara. Data were gathered using a general ... -
Separation/preconcentration of Zn(II), Cu(II), and Cd(II) by Saccharomyces carlsbergensis immobilized on silica gel 60 in various samples
(TAYLOR & FRANCIS INC, 2006)This study presents a solid phase extraction procedure based on column biosorption of Zn(II), Cu(II), and Cd(II) ions on Saccharomyces carlsbergensis immobilized on silica gel 60. The analytes were determined by flame ... -
Haci Bektas Veli, Ahi Evran-i Veli and Bektashism and Akhism perceptions of students at Nevsehir Haci Bektas Veli and Ahi Evran Universities [Nevşehir Haci Bektaş Veli ve Ahi Evran Üniversitesi Ö?rencilerinin Haci Bektaş Veli ve Ahi Evran-i Veli ile Bektaşilik ve Ahilik Algilari]
(Gazi Universitesi, Turk Kulturu ve Haci Bektas Veli, 2014)This study has been carried out to reveal is how two prominent figures in the Turkish culture, Haci Bektas Veli and Ahi Evran-i Veli, are perceived by the students at Nevsehir Haci Bektas and Ahi Evran Universities. A ... -
Quantitative structure-activity relationships studies for prediction of antimicrobial activity of synthesized disulfonamide derivatives
(SPRINGER BIRKHAUSER, 2011)A new series of disulfonamides were synthesized and assayed as antimicrobial agents against Staphylococcus aureus, Bacillus cereus, and Escherichia coli. The quantitative structure-activity relationship analysis (QSAR) was ... -
The effect of diazinon on egg fertility and development in Drosophila melanogaster
(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2011)This study investigated the effects of diazinon, an organic phosphoric insecticide, on some developmental features of Drosophila melanogaster. The aim was to determine if any developmental inhibition occurs when diazinon ... -
COMPARING READING COMPREHENSION LEVEL AND ORAL READING SPEED OF 5TH CLASS STUDENTS WHO HAD FIRST READING WRITING THROUGH DIFFERENT METHODS
(HACETTEPE UNIV, 2011)In this study comparison of the reading comprehension levels and oral reading speed has been made for primary school 5th class students, who had first reading writing skills through sentence analysis and sound based sentence ... -
Structure, antibacterial activity and theoretical study of 2-hydroxy-1-naphthaldehyde-N-methylethanesulfonylhydrazone
(ELSEVIER SCIENCE BV, 2009)2-Hydroxy-1-naphthaldehyde-N-methylethanesulfonylhydrazone was synthesized and its structure was investigated by X-ray diffraction. IR, NMR and mass spectroscopies. it crystallizes in the monoclinic system, space group ... -
Determination and interference studies of bismuth by tungsten trap hydride generation atomic absorption spectrometry
(ELSEVIER SCIENCE BV, 2009)The determination of bismuth requires sufficiently sensitive procedures for detection at the mu g L-1 level or lower. W-coil was used for on-line trapping of volatile bismuth species using HGAAS (hydride generation atomic ... -
Experimental and theoretical studies on methanesulfonic acid 1-methylhydrazide: Antimicrobial activities of its sulfonyl hydrazone derivatives
(ELSEVIER SCIENCE BV, 2009)Methanesulfonic acid 1-methylhydrazide (msmh) and its sulfonyl hydrazone derivatives, salicylaldehyde-N-methylmethanesulfonylhydrazone (salmsmh) and 2-hydroxy-1-naphthaldehyde-N-methylmethanesulfonylhydrazone (nafmsmh) ... -
Effect of Cypermethrin on Some Developmental Stages of Drosophila melanogaster
(SPRINGER, 2009)This study investigated the effects of cypermethrin, a synthetic pyrethroid, on some developmental features of Drosophila melanogaster. Before the experiment the lethal concentration of this insecticide was determined. ... -
Conformational analysis, vibrational and NMR spectroscopic study of the methanesulfonamide-N,N '-1,2-ethanediylbis
(PERGAMON-ELSEVIER SCIENCE LTD, 2012)A conformational analysis of the methanesulfonamide-N,N'-1,2-ethanediylbis (msen) was performed by using vibrational and NMR spectroscopies as well as theoretical computations. The possible stable conformers of msen on its ... -
Synthesis, crystal structure, antibacterial activities, and electrochemical studies of new N,N '-polymethylene bis-sulfonamides
(ELSEVIER SCIENCE BV, 2012)Four disulfonamide derivatives (C2H5 center dot SO2 center dot NH)(2)(CH2)(n) (n = 2, 3, 4, 5) were synthesized and characterized by FTIR, H-1 NMR, C-13 NMR, HETCOR, LCMS and elemental analysis.Ethanesulfonamide-N,N'-pen ... -
Synthesis, characterization, spectroscopic properties, theoretical calculation, and antimicrobial activity of new aryldisulfonamides
(ELSEVIER SCIENCE BV, 2011)New aryldisulfonamides were synthesized and characterized by FTIR, (1)H NMR, (13)C NMR, HETCOR, COSY, LC-MS and elemental analysis techniques. The compounds gave intense emissions, where lambda(max) = 405, 379 and 402 nm, ... -
Mathematical Modeling Activities as a Useful Tool for Values Education
(EDAM, 2012)Values education is crucial since it is one of the factors to reach success in education in broader sense and in mathematics education in particular sense. It is also important for educating next generations of societies. ... -
Conformational analysis and nonlinear optical properties of the N, N '-pentamethylenebis(salicylideneiminato)manganase(II) complex
(NATL INST OPTOELECTRONICS, 2012)Conformational analysis of the tricyclic Schiff base chelate complex N,N'- pentamethylenebis(salicylideneiminato)manganese(II) is performed by means of the molecular mechanic (MM+), semi-empirical PM3 and density functional ... -
The Effect of Diazinon on Puffing Activity in Polytene Chromosomes of Drosophila melanogaster
(FOUNDATION ENVIRONMENTAL PROTECTION & RESEARCH-FEPR, 2012)This study investigates the effects of diazinon, an organic phosphoric insecticide, puffing on salivary gland polytene chromosomes of Drosophila melanogaster. Adult flies are applied diazinon and F1 generations were ... -
Examination of Turkish Students' Opinions Related to Values in the Example of Iraq, Saudi Arabia and Turkey
(EDAM, 2012)Reflecting effective and psychomotor skills to teaching environment are as important as cognitive skills in learning process. In this context, values are important to develop skills in affective domain. In this study, the ... -
Problems with the Teaching of Cursive Handwriting
(TURKISH EDUCATION ASSOC, 2012)This survey study aims to identify the problems of classroom teachers while teaching adjecent italic handwriting and to develop strategies to cope with those problems. The sample of the study consisted of 266 classroom ...
