Ara
Toplam kayıt 191, listelenen: 21-30
Synthesis and structures of Fe(II), Zn(II) and Pd(II) complexes with a schiff base derived from methyl 2-amino-6-methyl-4,5,6,7-tetrahydrothieno[2,3-c] pyridine-3-carboxylate and comparison of their optical constants for different solvents and molarities
(American Scientific Publishers, 2017)
Schiff base derived from condensation of o-vanillin (3-methoxysalicylaldehyde) and methyl 2-amino-6-methyl- 4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate and its metal complexes are synthesized and characterized ...
Development of a flow-injection with spectrophotometric method for total iron in water samples
(Hacettepe University, 2017)
Asimple spectrophotometric flow-injection method is reported for the highly sensitive and fast determination of iron(III) and total iron. The method is based on the formation of iron(III)- (1-nitroso-2-naphthol-3,6 sulphonate) ...
Optimization of the schiff-base reaction of acetylacetone with biogenic amines
(Hitit University, 2017)
In this work, optimum conditions for the derivatization reaction of biogenic amines (histamine, tyramine, putrecine, tryptamine, phenylethylamine, cadaverine, spermidine and spermine) with acetylacetone have been determined. ...
Coal an impure fuel source: Radiation effects of coal-fired power plants in Turkey
(Hacettepe Üniversitesi, 2010)
Turkish coal is generally poor quality and the levels of chemical and radiological toxic trace elements in it are higher with respect to mean values of activity concentrations given in United Nations Scientific Committee ...
Characterization of boron doped Cobalt/Zinc acetate composite fibers
(Hacettepe University, 2009)
PVA/cobalt acetate/zinc acetate doped with boron composite fibers were prepared by electrospinning technique. Electrospinning was performed by putting solutions at different applied voltage in a range from 13 to 18 kV. The ...
Nanofibers by electrospinning of nylon 6 doped with boron
(Hacettepe University, 2009)
In this study, Nylon 6 was successfully cross-linked with boron using formic acid as solution. Electrospinning process was performed by putting hybrid nylon 6/boric acid solutions at different applied voltage in a range ...
Grafting density of oligo-bottle-brushes on silicon surface: effect of mole fraction of RAFT agent-functionalized alkenes in mixed self-assembled monolayers
(Taylor and Francis Inc., 2020)
The purpose of the study is to prepare of novel oligo-(N-(2-hydroxypropyl) methacrylamide)-g-poly(lactic acid) bottle-brushes with different grafting density on the silicon surface. Firstly, the mixtures of 9-decen-1-ol ...
Novel coordination compounds: Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) cations with acesulfame/N,N-diethylnicotinamide ligands
(Taylor and Francis Ltd., 2020)
Five coordination complexes with Mn2þ (1), Co2þ (2), Ni2þ (3), Cu2þ (4), and Zn2þ (5) containing acesulfame (ace) and N,N-diethylnicotinamide (dena) ligands were synthesized and structural binding properties investigated. ...
Synthesis, spectral, thermal studies of Co(II), Ni(II), Cu(II) and Zn(II)-arginato Complexes. crystal structure of monoaquabis(arginato‐κO,κN)copper(II). [Cu(arg)2(H2O)].NaNO3
(Chinese Chemical Society Taiwan, 2014)
Transition metal complexes of arginine (using Co(II), Ni(II), Cu(II) and Zn(II) cations separately) were synthesized and characterized by FTIR, TG/DTA-DrTG, UV-Vis spectroscopy and elemental analysis methods. Cu(II)-Arg ...
Electrochemical corrosion properties of metal alloys used in orthopaedic implants
(2009)
This study concerns an investigation of the corrosion behavior of 316 stainless steel, CoCrMo and Ti6Al4V alloys in simulated body conditions (ringer lactate) at 37 °C by the use of Tafel plots, mixed potential and ...