Yayın tarihi için WoS İndeksli Yayınlar Koleksiyonu listeleme
Toplam kayıt 7605, listelenen: 281-300
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The quantitative determination of some phenolic acids in Delphinium formosum by HPLC
(Marcel Dekker Inc, 1999)Some phenolic acids from the flowers of Delphinium formosum have been determined quantitatively by reversed-phase high-performance liquid chromatography with diode-array detection. A comparative study was performed by ... -
A linear programming based decentralized routing controller for congested highways
(Pergamon-Elsevier Science LTD, 1999)A decentralized controller for dynamic routing in multidestination trasportation networks is presented. The proposed algorithm is especially suited for congested networks, where the traffic demand is close to or more than ... -
Decentralized routing controller design using overlapping decompositions
(Taylor & Francis LTD, 1999)The use of overlapping decompositions in designing routing controllers for large-scale networks is considered and a decentralized dynamic routing controller design strategy is proposed. The strategy is based on the overlapping ... -
Alkaloids of Bongardia chrysogonum
(Pergamon-Elsevier Science LTD, 1999)Two new pyridine alkaloids were isolated from the tubers of Bongardia chrysogonum, together with a new lupine alkaloid. The structures of the new alkaloids were characterized by spectroscopic analysis and the stereochemistry ... -
Synthesis and analgesic activity of some triazoles and triazolothiadiazines
(Elsevier Science Sa, 1999)The synthesis of some triazoles and triazolothiadiazines starting from (5,6,7,8-tetrahydronaphthalen-2-yl)oxyacetic acid is described. The chemical structure of the compounds were elucidated by analytical, IR, H-1 NMR and ... -
Analgesic activity of Nepeta italica L.
(John Wiley & Sons LTD, 1999)A screening study was performed on/by essential oils of Nepeta viscida Boiss and Nepeta italica L. using tail-flick and tail immersion (52.5 degrees C) methods, N. italica samples were collected from three different ... -
The essential oil of Acinos alpinus (L.) Moench growing in Turkey
(John Wiley & Sons LTD, 1999)Water-distilled essential oils of nine samples of Acinos alpinus (L.) Moench, collected from the Aegean region of Turkey, were analysed by GC-MS. One-hundred-and-twenty compounds, which amounted to 84.4-92.8% of the total ... -
Quantitative determination of naphthoquinones of Arnebia densiflora by TLC-densitometry
(Elsevier Science BV, 1999)Quantitative determination of beta,beta-dimethylacrylalkannin (1), teracrylalkannin (2) and isovalerylalkannin + alpha-methyl-n-butylalkannin (3 + 4) in Arnebia densiflora roots and extracts was established by TLC-densitometry. ... -
Composition of essential oils from two endemic Sideritis species of Turkey
(Plenum Publ Corp, 1999)The genus Sideritis is represented in Turkey by 46 species and altogether 53 taxa of these being endemic in Turkey (74%) [1-3]. -
Effect of ceramic processing methods on photostrictive ceramics
(Kluwer Academic Publ, 1999)Lanthanum-modified lead zirconate titanate (PLZT) ceramics (3/52/48) doped with 0.5 at.% WO3 were prepared by three different processing methods, coprecipitation, sol-gel and conventional oxide mixing techniques, to ... -
Reactions at ceramic-metal interfaces in capacitor-discharge joined ceramics
(Transtec Publications LTD, 1999)A capacitor-discharge joining technique has been used to fabricate zirconia-AlxNiyYz zirconia (ZrO2) joints, in addition, the surface of the ZrO2 tiles were sputter coated with Ti and joined using Al as an interlayer ... -
Functional composites for sensors, actuators and transducers
(Elsevier Sci LTD, 1999)Following the trend in structural applications, composite structures are being used more commonly in transducer applications to improve acoustic, mechanical and electrical performance of piezoelectric devices. Functional ... -
Study of the essential oil composition of two subspecies of Abies cilicica (Ant. et Kotschy) Carr. from Turkey
(John Wiley & Sons LTD, 1999)The essential oil composition of two subspecies of Abies cilicica (taurus fir) from southern Turkey was investigated. CC-MS analysis of the oils of subsp. cilicica and subsp. isaurica from young shoots showed some qualitative ... -
Monopole equations on 8-manifolds with spin(7) holonomy
(Springer Verlag, 1999)We construct a consistent set of monopole equations on eight-manifolds with Spin(7) holonomy. These equations are elliptic and admit non-trivial solutions including all the 4-dimensional Seiberg-Witten solutions as a special case. -
Hydrogen bonding and dimeric self-association of 2-pyrrolidinone: An ab initio study
(Kluwer Academic Publ, 1999)Ab initio calculations on the different associated structures of 2-pyrrolidinone with water and with itself were carried out using 3-21G and 6-31G(*) basis sets at the Hartree-Fock level, including electron correlation ... -
Tele-education service structure and 21(st) century projects of Anadolu University in Turkey
(Springer, 1999)This paper reviews the facilities of the Open Education Faculty at Anadolu University, Turkey, considers both recent and forthcoming developments, and shows how these could be used, with the ISU and its affiliates, in ... -
A study on the pyrazoles: tautomerism, conformation, acidity, and basicity by means of AM1 semiempirical method in the gas and aqueous solution
(Elsevier Science BV, 1999)A comprehensive theoretical study of some pyrazolones and their fixed model compounds is presented. The tautomeric equilibrium and acidity constants of these compounds have been investigated both in the gas and aqueous ... -
A novel approach to isolated word recognition
(IEEE-Inst Electrical Electronics Engineers Inc, 1999)A voice signal contains the psychological and physiological properties of the speaker as well as dialect differences, acoustical environment effects, and phase differences. For these reasons, the same word uttered by ... -
Pyrolysis of hazelnut shells in a fixed-bed tubular reactor: yields and structural analysis of bio-oil
(Elsevier Science BV, 1999)Fixed-bed pyrolysis experiments have been conducted on a sample of hazelnut shells to determine the possibility of being a potential source of renewable fuels and chemical feedstocks. The effects of pyrolysis temperature ... -
Ecological properties of Pinus nigra ssp pallasiana var. seneriana
(Sauerlanders Verlag, 2000)In this study, the ecological properties of Pinus nigra ARN. ssp. pallasiana (LAM.) HOLMBOE var. seneriana (SAATCIOGLU) YALTIRIK, one of the endemic plants in Turkey, has been studied. To determine the biological characters, ...