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Toplam kayıt 181, listelenen: 31-40
The effects of zinc nitrate, zinc acetate and zinc chloride precursors on investigation of structural and optical properties of ZnO thin films
(0-Belirlenecek, 2008)
ZnO thin films were prepared using zinc chloride, zinc acetate and zinc nitrate precursors by spray pyrolysis technique on glass substrates at 550 °C. Structural and optical properties of ZnO films were investigated by ...
The effects of the different woods on hot-smoking vacuum packed Atlantic bonito (Sarda sarda) stored at 4°C
(0-Belirlenecek, 2008)
The effect of 2 kinds of wood on quality of hot smoking vacuum-packed Atlantic bonito (Sarda sarda) was investigated during storage at 4°C. The quality changes of samples during storage were evaluated by pH, TVB-N, TMA, ...
Evaluation of a web based mathematics teaching material on the subject of functions
(0-Belirlenecek, 2008)
The aim of the study is to develop a web-based mathematics teaching (WBMT) material and to evaluate the effectiveness of the WBMT material for 9th grade students learning the concept of mathematical function. Firstly, a ...
External protozoan parasites in three trout species in the Eastern Black Sea region of the Turkey: Intensity, seasonality, and their treatments
(0-Belirlenecek, 2008)
The seasonal fluctuation of the protozoan parasites (Ichthyophthirius multifiliis, Ichthyobodo necator and Trichodina spp.) on rainbow trout (Oncorhynchus mykiss), brook trout (Salvelinus fontinalis), and brown trout (Salmo ...
Synthesis and antimicrobial and antitumor activity of some new [1,2,4] triazole-5-one derivatives
(0-Belirlenecek, 2009)
4-[Arylidene-amino]-3-thiophen-2-ylmethyl-4,5-dihydro[1,2,4]triazole-5-one compounds (3a-g) with Schiff base character were obtained from the reaction of 4-amino-3-thiophen-2-ylmethyl-4,5-dihydro-1H-[1,2,4]triazole-5-one ...
N-H?N and C-H?? interactions in 4-amino-3-methyl-5-(p- tolyl)-4H-1,2,4-triazole and 4-amino-3-methyl-5-phenyl-4H-1,2,4-triazole
(2006)
The title compounds, C10H12N4, (I), and C9H10N4, (II), have been synthesized and characterized both spectroscopically and structurally. The dihedral angles between the triazole and benzene ring planes are 26.59 (9) and ...
A research on the sensitivity of European chub to some pesticides
(2006)
The aim of this study was to investigate the sensitivity of European chub (Leuciscus cephalus, Linnaeus, 1758), a natural freshwater fish species, to a synthetic pyrethroid (deltamethrin), a carbamate insecticide (carbaryl), ...
The stock parameter of anchovy (Engraulis encrasicolus) population on the coasts of the eastern black sea: Reason and implications in declining of anchovy population during the 2004-2005 and 2005-2006 fishing seasons
(0-Belirlenecek, 2008)
Some basic characteristics of anchovy (Engraulis encrasicolus) population in the Eastern Black Sea coasts were estimated in order to explain the differences seen in the catch of anchovy during the fishing seasons of 2004-2005 ...
Microwave-assisted synthesis and characterization and theoretical calculations of the first example of free and metallophthalocyanines from salen type Schiff base derivative bearing thiophen and triazole heterocyclic rings
(Elsevier, 2007)
Novel metal-free and metallophthalocyanine complexes of Co, Ni, Cu, and Zn have been synthesized by exposure to microwave irradiation and reflux conditions and the products purified by several techniques. The newly prepared ...
Determination of radioactivity levels and hazards of soil and sediment samples in Fi{dotless}rti{dotless}na Valley (Rize, Turkey)
(Elsevier, 2007)
The natural radioactivity levels in soil and sediment samples of Fi{dotless}rti{dotless}na Valley have been determined. To our knowledge, there seems to be no information about radioactivity level in the Fi{dotless}rti{dotless}na ...