Yayın tarihi için WoS İndeksli Yayınlar Koleksiyonu listeleme
Toplam kayıt 7605, listelenen: 781-800
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Conversion of rate based flow control algorithms to window based algorithms
(IEEE, 2004)The conversion of rate based flow control algorithms used in high-speed data communication networks to window (credit) based algorithms is considered. A rate based robust flow controller, designed using the H-infinity ... -
Power quality event detection using joint 2-D-wavelet subspaces
(IEEE-Inst Electrical Electronics Engineers Inc, 2004)In this work, we present a novel two-dimensional (2-D) representation of power system waveforms for the automatic analysis and detection of transient events. The representation is composed of a matrix whose rows are formed ... -
2-D analysis and compression of power-quality event data
(IEEE-Inst Electrical Electronics Engineers Inc, 2004)This paper introduces a novel two-dimensional (2-D) representation of the power quality event data. 2-D discrete-time wavelet transform is applied to the 2-D representation of real-life event data. The proposed representation ... -
Central and projection algorithms in identification with periodic set membership inputs
(IEEE, 2004)In this paper, we study the central and the projection algorithms in set membership identification with periodic input signals for the case that the number of the estimated parameters equals the input period. First, we ... -
Object reconstruction from in-line Fresnel holograms without explicit depth focusing
(Spie-Int Society Optical Engineering, 2004)We propose two computational techniques for extracting object cross-sectional shape information from digitized in-line Fresnel holograms that do not require prior knowledge of object depths but recover relative depth ... -
Segmentation based coding of human face images for retrieval
(Elsevier Science BV, 2004)A coding method for face images by segmenting face regions Such as eyes, mouth, etc. is introduced. Each region is removed from the face image, leaving a smoothly interpolated background which is suitable for efficient ... -
A program for analysis and control of Petri nets
(IEEE, 2004)Analysis and control algorithms are introduced for discrete-event systems which are modeled by Petri nets. A simulation and control design program is then developed to implement these algorithms. The program can simulate ... -
Detection of disturbances in energy system signals using Gaussian distribution fitness test
(IEEE, 2004)In this work., a method based on higher order statistics (HOS) is proposed to detect disturbances in energy system voltage and current waveforms due to faults and various system events. During the normal operation of the ... -
Antioxidant properties and phenolic composition of Sideritis species
(Kluwer Academic/Plenum Publishers, 2004)The antioxidant properties and phenolic composition of 27 Sideritis species were studied. Plant samples were extracted with petroleum ether using a Soxhlet apparatus. The defatted plant materials were extracted with 70% ... -
Essential oils of Sideritis species of turkey belonging to the section Empedoclia
(Springer, 2004)The paper summarizes the work done on the essential oil content and composition of fifty Sideritis species of Turkey belonging to the section Empedoclia. The water-distilled oils were analyzed by GC/MS. The oils were ... -
An improved HPLC post-column methodology for the identification of free radical scavenging phytochemicals in complex mixtures
(Springer Heidelberg, 2004)The importance of natural antioxidants principally relates to their health-promoting properties. The discovery of new sources of established compounds or more potent compounds is a costly exercise and any technique capable ... -
Passage of VIP/PACAP/secretin family across the blood-brain barrier: Therapeutic effects
(Bentham Science Publ LTD, 2004)In recent years, VIP/PACAP/secretin family has special interest. Family members are vasoactive intestinal peptide (VIP), pituitary adenylate cyclase-activating polypeptide (PACAP), secretin, glucagon, glucagon like peptide-1 ... -
Essential Oil of Betula pendula Roth. Buds
(Hindawi LTD, 2004)The essential oil of Betula pendula Roth. buds was obtained using both hydrodistillation and microdistillation techniques and their chemical compositions were analyzed using both gas chromatography ( GC) and gas ... -
Screening of free radical scavenging compounds in water extracts of Mentha samples using a postcolumn derivatization method
(American Chemical Society, 2004)An on-line high-performance liquid chromatography-1,1-diphenyl-2-picrylhydrazyl (HPLC-DPPH.,) method has been improved for the detection of polar and nonpolar radical scavenging compounds in complex plant extracts. Nine ... -
Synthesis and study of antibacterial and antifungal activities of novel 2-[[(benzoxazole/benzimidazole-2-yl)sulfanyl] acetylamino]thiazoles
(Pharmaceutical Soc Korea, 2004)Several 2-[[(benzoxazole/benzimidazole-2-yl)sulfanyl]acetylamino]thiazoles derivatives were synthesized by reacting 4-substituted-2-(chloroacetylamino)thiazoles with benzoxazole/benzimidazole-2-thioles in acetone and in ... -
In vitro biological activity and essential oil composition of four indigenous South African Helichrysum species
(Elsevier Sci Ireland LTD, 2004)Helichrysum species are used widely to treat various medical conditions. In this study, the anti-microbial, anti-oxidant (DPPH assay) and anti-inflammatory activity (5-lipoxygenase assay) of Helichrysum dasyanthum, Helichrysum ... -
Synthesis of some 2-[(benzazole-2-yl)thioacetylamino]thiazole derivatives and their antimicrobial activity and toxicity
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2004)Some 2-[(benzazole-2-yl)thioacetylamino]thiazole derivatives (III) were synthesized by reacting 4-methyl-2-(chloroacetylamino)thiazole derivatives (I) with benzazol-2-thiole (II) in acetone in the presence of K2CO3. The ... -
Composition of the essential oil of Cachrys alpina bieb.
(Allured Publ Corp, 2004)A hydrodistilled essential oil from fruits of Cachrysalpina,was analyzed by GUMS. Twenty-nine compounds representing 98% of the oil were identified with alpha-humulene (33.1%), p-cymene (9.3%). alpha-phellandrene (9.1%) ...