Ara
Toplam kayıt 541, listelenen: 51-60
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. ...
Seasonal and spatial variation of epilithic algal community in Batlama Stream (Giresun, Turkey)
(Hitit University, 2017)
Spatio-temporal changes in taxonomic composition and structure of epilithic algal community with some physicochemical features of the Batlama stream were assessed between June 2013 and May 2014 at the intertidal zone of ...
An edible mushroom with medicinal significance; auricularia polytricha
(Hitit University, 2016)
Auricularia polytricha, also known as wood ear mushroom, is a macrofungus. The aim of study was to determine the antioxidant and antimicrobial activities of A. polytricha extracts with two different solutions. We used ...
On the spectrums of some class of selfadjoint singular differential operators
(Ankara University, 2016)
Abstract. In this work, based on the Everitt-Zettl and Calkin-Gorbachuk methods in terms of boundary values all selfadjoint extensions of the minimal operator generated by some linear singular multipoint symmetric ...
Maximal sectorial differential operators for first order
(2015)
In this study, the maximal sectorial linear relations are described. Then, the discreteness of the spectrum of the linear maximal sectorial operators and asymptotical behavior of the eigenvalues of such operators in terms ...
On the origin and age of the Arıburnu Beachrock, Gelibolu Peninsula, Turkey
(TÜBİTAK, 2008)
Bu çalışmada Gelibolu Yarımadası’nda, Arıburnu kıyılarındaki yalıtaşı oluşumu arazi verileri, ince kesit yorumlamaları, ICP-AES, EDS ve SEM analizleri ve OSL yaşlandırması ile ele alındı. Analizler yalıtaşı çimentosu içinde ...
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 ...
The paraldehyde fuchsin positive material in corpora cardiaca of Pimpla turionellae L. (Hymenoptera: Ichneumonidae) during egg maturation
(İstanbul Üniversitesi, 2011)
Bu çalışmanın amacı, bir dış parazit olan Pimpla turionellae’nin korpus kardiacum(CC)’undaki nörosekresyon maddesinin üreme üzerine olan etkisini incelemektir. Bu amaçla, seri kesitlerde, böceğin yumurta gelişimi ve korpus ...
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 ...