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Toplam kayıt 36, listelenen: 21-30
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 ...
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 ...
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 ...
Aquatic coleoptera fauna of Çorum and Yozgat provinces (Turkey)
(Ersin Yücel, 2010)
Aquatic beetles in the families Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Helophoridae and Hydrophilidae were sampled at the Çorum and Yozgat provinces in Central Anatolian from 2006 through 2009. 61 species of water ...
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 ...
The effect of the neurosecretory material in the median neurosecretory cells on egg development of the endoparasitic pimpla turionellae L. (hymenoptera: ichneumonidae)
(Hacettepe Üniversitesi, 2010)
The purpose of this study is to examine the effects of the neurosecretory material (NSM) in median neurosecretory cells (MNC) on reproduction of endoparasitic Pimpla turionellae L.. For this purpose, the egg maturation and ...
Symmetry in complex contact manifolds
(Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2017)
Takahashi defined local φ-symmetry for Sasaki-an manifolds by the curvature condition that (()( , ) , )0gR Y ZWTX∇=0 for all horizontal vector fields ,,, ,X Y ZWT ([12]). There are two generalizations ...