Güncel Gönderiler: Fakülteler
Toplam kayıt 5217, listelenen: 2761-2780
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Synthesis of new azo dyes and copper(II) complexes derived from barbituric acid and 4-aminobenzoylhydrazone
(Scientific Technical Research Council Turkey-Tubitak, 2008)Four new azo dyes, L-1, L-2, L-3, and L-4, were prepared by linking benzaldehyde p-aminobenzoylhydrazone (3) and p-hydroxybenzaldehyede p-aminobenzoylhydrazone (4) to barbiturie acid and 1,3-dimethylbarbituric acid through ... -
A comparative study on colchicine application methods in obtaining doubled haploids of tobacco (Nicotiana tabacum L.)
(Tubitak Scientific & Technical Research Council Turkey, 2008)In order to obtain androgenic doubled haploids of tobacco (Nicotiana tabacum cv. Karabaglar 6265) colchicine was applied at 3 different stages of anther culture. Before culture, anthers were treated with 0.4% aqueous ... -
Responses of the tomato (Lycopersicon esculentum Mill.) plant to exposure to different salt forms and rates
(Tubitak Scientific & Technical Research Council Turkey, 2008)We aimed to investigate the effects of NaCl and Na(2)SO(4) on seed and pollen germination of tomato (Lycopersicon esculentum Mill.) in vitro. In addition, the effects of NaCl, Na(2)SO(4), and CaCl(2) on yield and quality, ... -
A suffix based part-of-speech tagger for Turkish
(Ieee Computer Soc, 2008)In this paper, we present a stochastic part-of-speech tagger for Turkish. The tagger is primarily developed for information retrieval purposes, but it can as well serve as a light-weight PoS tagger for other purposes. The ... -
Theory-laden observation and incommensurability
(Vydavatelstvo Slovenskej Akad Vied Veda, 2008)In this Taper, I investigate the logical relation between two claims: (1) observations are theory-laden(1) and (2) there is no empirical common ground upon which to evaluate successive scientific theories that belong to ... -
The effects of duration of CO(2) pneumoperitoneum on colonic anastomosis
(Informa Healthcare, 2008)The aim of this study is to evaluate the effects of duration of carbon dioxide (CO(2)) pneumoperitoneum on experimental colonic anastomosis. Forty-eight male Sprague-Dawley rats were used. The rats were divided into three ... -
A Taylor polynomial approach for solving generalized pantograph equations with nonhomogenous term
(Taylor & Francis Ltd, 2008)A numerical method for solving the generalized ( retarded or advanced) pantograph equation with constant and variable coefficients under mixed conditions is presented. The method is based on the truncated Taylor polynomials. ... -
The Relationship Between Trainee Teachers’ Views and Practices Related to Classroom Discipline
(Hacettepe Univ, 2008)This paper discusses the relationship between English language trainee teachers' views on how to deal with large classes at the primary school level, create a positive environment in young learners' classroom and hold young ... -
Length-weight relationships of three macrourid fishes in the eastern Aegean Sea, Turkey
(Amer Fisheries Soc, 2008)Length-weight relationships of three macrourid fishes (saddled grenadier Coelorinchus coelorhincus (formerly known as Caelorinchus caelorhincus), glass-head grenadier Hymenocephalus italicus and bluntsnout grenadier Nezumia ... -
Determination of the color stability of an environmentally friendly wood stain derived from laurel (Laurus nobilis L.) leaf extracts under UV exposure
(Forest Products Soc, 2008)This study was designed to develop an environmentally friendly wood stain derived from laurel (Laurus nobilis L.) and determine the color stability of this stain when exposed to UV light irradiation. Wood stains derived ... -
Design, performance, and calibration of CMS forward calorimeter wedges
(Springer, 2008)We report on the test beam results and calibration methods using high energy electrons, pions and muons with the CMS forward calorimeter (HF). The HF calorimeter covers a large pseudorapidity region (3 <= vertical bar eta ... -
The Effects of Differences in the Configurations of Knowledge Maps (k-map)
(Ani Yayincilik, 2008)Problem Statement: In this study, the effects of a knowledge map (k-map) are enhanced by combining Gestalt's similarity and proximity principles with different link structures on the levels of knowledge acquisition and ... -
Silicon improves salinity tolerance in wheat plants
(Pergamon-Elsevier Science Ltd, 2008)Durum wheat (Triticum durum cv. Gediz-75) and bread wheat (Triticum aestivum cv. lzmir-85) were grown in a complete nutrient solution in a growth room to investigate effect of silicone supplied to the nutrient solution on ... -
The combined effects of gibberellic acid and salinity on some antioxidant enzyme activities, plant growth parameters and nutritional status in maize plants
(Pergamon-Elsevier Science Ltd, 2008)The combined effects of salt stress and gibberellic acid (GA(3)) on plant growth and nutritional status of maize (Zea mays L. cv., DK 647 Fl) were studied in a pot experiment. Treatments were (1) control (Q: nutrient ... -
Design of a direct sliding gearless electrical motor for an ergonomic electrical wheelchair
(Kaunas Univ Technology, 2008)The use of the electrical wheelchairs designed for the disabled people should be easy and flexible. A brushless DC motor with a permanent magnet that can operate without gears was designed to be used in an ergonomic ... -
Sizing of electrical motors for gearless and directly stimulating applications
(Kaunas Univ Technology, 2008)Electrical machines are usually designed and produced to work at high circulation. The machines that are designed to work at high circulation are used along with reductors to be operated at low speed mechanisms to acquire ... -
Effects of atmospheric plasma treatment on the dyeability of cotton fabrics by acid dyes
(Blackwell Publishing, 2008)Cotton fabrics were treated with air and argon atmospheric plasma for surface activation. Activated surfaces were grafted with two different amine compounds: ethylenediamine and triethylenetetramine. Pretreated cotton was ... -
Adsorption of Cd(II) ions from aqueous solutions using activated carbon prepared from olive stone by ZnCl2 activation
(Elsevier Sci Ltd, 2008)This study is aimed to remove Cd(II) ions from aqueous solutions by adsorption. As adsorbent, activated carbon prepared from olive stone, an agricultural solid by-product was used. Different activating agent (ZnCl2) amounts ... -
Silica gel functionalized with 4-phenylacetophynone 4-aminobenzoylhydrazone: Synthesis of a new chelating matrix and its application as metal ion collector
(Elsevier Science Bv, 2008)The silica gel surface immobilized with 4-phenylacetophynone 4-aminobenzoylhydrazone (PAAH) after surface modification by 3-chloropropyltrimethoxysilane (CPTS). The modified silica gel was used for sorption of Cu(II), ... -
Thermo-morphological properties of the smectic C* mesophase in new chiral salicyaldimine liquid crystals
(Wiley-V C H Verlag Gmbh, 2008)Specific textures and their temperature transformations in large temperature interval for the chiral smectic C* mesophase of new liquid crystalline materials, synthesized by our group, have been investigated in detail. ...
