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Toplam kayıt 3474, listelenen: 121-140
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On mannheim partner curves in E3
(2009)The aim of this paper is to study the Mannheim partner curves in Euclidean space E3. We obtain the relationships between the curvatures and the torsions of the Mannheim partner curves with respect to each other. © 2009 ... -
An investigation into the evaluation of spare time activities of students at home and in the school
(ELSEVIER SCIENCE BV, 2009)The spare time activities of the individuals vary relating to their gender, socio- economic and cultural level, friends, personality, interests and a agabeylities and the traditions of the place they live. The aim of this ... -
The effects of students' problem solving skills on their understanding of chemical rate and their achievement on this issue
(ELSEVIER SCIENCE BV, 2009)Problem solving is a part of thinking. There are several steps of problem solving. The first thing which is necessary for solving personal and organizational problems is the knowledge of problem solving process. Students ... -
Effects on Mortality of Biochemical and Limnological Properties on Some Fish Species in Sultansuyu Dam Lake (Malatya), Turkey
(CENTRAL FISHERIES RESEARCH INST, 2010)In this study, hematological and biochemical investigations were carried out on Cyprinus carpi, Leuciscus cephalus, Capoeta trutta ve Capoeta capoeta umbla fish species living in Sultansuyu Dam Lake (Malatya). The physical, ... -
Density functional modelling studies on N-2-Methoxyphenyl-2-oxo-5-nitro-1-benzylidenemethylamine
(ELSEVIER SCIENCE BV, 2010)Density functional calculations of the structure, molecular electrostatic potential and thermodynamic functions have been performed at B3LYP/6-31G(d) level of theory for the title compound of N-2-Methoxyphenyl-2-oxo-5-ni ... -
The electrochemical behaviour of 2 '-halogenated derivatives of 4-methoxyazobenzene at a mercury electrode
(ELSEVIER SCI LTD, 2010)The electrochemical behaviour of 2'-halogenated-4-methoxyazobenzene derivatives were investigated using both polarographic and voltammetric methods. The number of electrons transferred, standard rate constant and diffusion ... -
A syntaxonomical investigation of forest and pseudomaquis on transitional area in the central Black Sea region (Amasya, Turkey)
(SOC BOTANIQUE FRANCE, 2010)Kuspinar Hill, situated between central Anatolia and central Black Sea, is a transitional area between Euro-Siberian and Irano-Turanian regions regarding to the phytogeography. Such transitional areas contain vegetations ... -
RADON CONCENTRATIONS IN WATER IN THE REGION OF TOKAT CITY IN TURKEY
(OXFORD UNIV PRESS, 2010)The aim of this study is to measure the radon ((222)Rn) concentrations in drinking water and river water in the region of Tokat city in Turkey. The measurements were performed by analysing the water samples collected from ... -
THE ALYDIDAE (HEMIPTERA: HETEROPTERA: COREOIDEA) OF TURKEY: A KEY TO THE GENERA, NEW RECORDS AND A SPECIES CHECKLIST
(AMER ENTOMOL SOC, 2010)In this study, 110 adult Alydidae (Coreoidea) specimens belonging to 4 genera and 7 species were collected from 25 different localities in Anatolia in 2008-2009. These new records increased the number of Turkish Alydidae ... -
REGULAR BOUNDARY VALUE PROBLEMS WITH A DISCONTINUOUS COEFFICIENT, FUNCTIONAL-MULTIPOINT CONDITIONS, AND A LINEAR SPECTRAL PARAMETER
(HEBREW UNIV MAGNES PRESS, 2010)We consider a linear differential equation which includes a linear abstract operator, with a piecewise constant coefficient at the principal differential term, together with multipoint boundary-transmission conditions, ... -
EFFECTS OF FOSETYL-AL, A FUNGICIDE ON MEIOSIS OF LYCOPERSICON ESCULENTUM MILL.
(BANGLADESH BOTANICAL SOC, 2010)Effects of Fosetyl-Al (80% Aliette WG 800), widely applied on tomato plants (Lycopersicon esculentum Mill.) grown in greenhouse against Phytophthora infestans revealed that at recommended dosage (200 g/100 I water) and the ... -
Serum leptin, lipoprotein levels, and glucose homeostasis between national wrestlers and sedentary males
(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2010)Aim: Leptin is an important controller of the size of fat stores by inhibiting appetite. In wrestling, fat metabolism is important not only for aerobic energy system, but also for weight control and weight loss before ... -
On the evaluation of energy behavior of radiation fields generated by exoergic reactions in axi-symmetric emitters
(PERGAMON-ELSEVIER SCIENCE LTD, 2010)The analytical characterization of the spatial dependency of the mean energy particles produced in non-dispersive media by exoergic reactions having axial symmetry is important in the study of these nuclear reactions. The ... -
Antimicrobial activity of various extracts of Centaurea cankiriense A. Duran and H. Duman
(ACADEMIC JOURNALS, 2010)The antimicrobial activity was determined using the single disc diffusion method. The hexane, methanol and ethyl acetate extracts were assessed for antimicrobial activity against 13 bacteria and a yeast-like fungus, Candida ... -
The Effects of Cadmium on Fatty Acid Composition in the Muscle and Skin of Juvenile Rainbow Trout (Oncorhynchus mykiss, Walbaum 1792)
(MEDWELL ONLINE, 2010)In this study, the effect of 1 mg L-1 (ppm) dose of Cadmium (Cd) on fatty acid composition in the muscle and skin tissues of farmed rainbow trout has been investigated. The effect of Cd was evaluated for 72 h of exposure ... -
The Fatty Acid Composition and Cholesterol and Vitamin Contents of Different Muscles of Esox lucius (Linnaeus, 1758) Living in Lake Ladik
(MEDWELL ONLINE, 2010)This study examines the fatty acid composition and cholesterol and vitamin contents of the muscles, liver, gonad and kidneys of pike living in Lake Ladik. Of the total Saturated Fatty Acids (SFA), the most predominant fatty ... -
A phytosociological study on Karaomer Mountain of North Anatolia (Amasya, Turkey)
(SOC BOTANIQUE FRANCE, 2010)The vegetation of Karaomer Mountain (Amasya, Turkey) was examined synecologically and syntaxinomically. The study area is a transitional zone between the boundaries of Central Anatolia and Middle Black Sea region. From the ... -
Analogies Developed by Prospective Classroom Teachers in Science and Technology Training
(ASIAN JOURNAL OF CHEMISTRY, 2010)This study attempts to present the analogies developed by prospective classroom teachers in science and technology training and to bring out their abilities of displaying The relationship between the target and the source. ... -
LEFT-HANDED WRESTLERS ARE MORE SUCCESSFUL
(SAGE PUBLICATIONS INC, 2010)It has been reported that there is a high proportion of left-handers among top athletes in different sports. In this study, the goal was to examine the rate of left-handedness in the top wrestlers at the world championships ... -
Chemistry teachers' levels of using teaching materials
(SILA SCIENCE, 2010)The purpose of this study is to determine how often the chemistry teachers use teaching materials in their courses. This study has been carried out by employing case study approach. Twenty-seven chemistry teachers working ...