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Aproximadamente 20620 registro(s) hasta el momento: (journal)

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Recurso libre

Una mirada autocrítica hacia nuestra revista, A self-critical look at our journal
Arriaga Ramírez, J. C. Pedro; Universidad Nacional Autónoma de México, FES Iztacala

Formato:	,
Enlaces:	,
Fecha:	2011-07-08
Recurso:	Revistas UNAM

Recurso libre

Open Journal of Animal Sciences

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2011-08-17
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

CEU Political Science Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2011-07-05
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

American Journal of Computational Mathematics

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2011-08-12
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

Advances in Psychology

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2011-07-27
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

JRSM Short Reports

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2011-08-15
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

Biblionline

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2011-08-03
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

Mediaciones Sociales

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2011-07-12
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

Achieving uniform cement mantle of optimum thickness during orthopaedic surgery
Mootanah, Rajshree - Lamvohee, Steeve - Dowell, John K.

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-08-18
Recurso:	Anglia Ruskin University

Recurso libre

10.

Perception of cardiovascular risk following a percutaneous coronary intervention: a cross sectional study
Davidson, Patricia M. - Salamonson, Yenna - Rolley, John - Everett, Bronwyn - Fernandez, Ritin - Andrew, Sharon - Newton, Phillip J. - Frost, Steve - Denniss, Robert

Formato:	Article
Enlaces:	Background: An individual’s perception of the risk of, and their susceptibility to, future cardiovascular events is crucial in engaging in effective secondary prevention. Aim: To investigate the perception of a cardiovascular event by examining the level of agreement between individuals…
Fecha:	2013-07-29
Recurso:	Anglia Ruskin University

Recurso libre

11.

Four-Wave Mixing Aplication in Semiconductor Optical Amplifier
Odrobinak, Radoslav

Formato:	,
Enlaces:	Four-Wave Mixing (FWM) in semiconductor optical amplifiers is an attrative mechanism for wavelenght coversion in wavelenght-division multiplexed (WDM) systems since it provides modulation format and bit rate transparency over wide tuning ranges. A series of systems experiments evaluating several aspects…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

12.

Reliability of Telecommunication Systems by Various Repair Regime
Trstensky, Dusan - Schwartz, Ladislav - Trunkvalter, Milan - Bartos, Roman

Formato:	,
Enlaces:	In the past the reliability of the telecommunication systems was evaluated on the simple assumption of the independence of elements. Comuputation of steady - state series - system availability depends on specific assumptions made about the non failed items during…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

13.

Computers and the Teaching of the Technical Subject
Ticha, Dasa - Bores, Petr

Formato:	,
Enlaces:	The contribution deals with the use of computers in the technical subject teaching. It shows more common view on the possibilities of the computer use. It also shows that there is a lin to concrete conditions of the use of…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

14.

Technical Benefits of Tram Vehicle Energy Accumulator
Maciolek, Tadeusz - Drazek, Zbigniew

Formato:	,
Enlaces:	Energy saving effects connected with use of energy accumulator on board of tram vehicle instead of substation are presented. Differences in results regarding weak and strong power supply system when taking into account energy losses and energy recuperation are pointed…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

15.

Features of Traction Transformer Windings Utilised as Inductances
Danzer, Jiri

Formato:	,
Enlaces:	The paper analyses features of traction transformer desing. Secondary windings of the transformer are utilized as a choke of an locomotive input filter at DC supplying system. Different ways of connections of the secondary windings coils are compared, reachable inductances…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

16.

Powers of Traction Rectifier Substation of DC ELectric Railways 3kV
Palecek, Josef

Formato:	,
Enlaces:	The article states main principles of dimensioning of traction supply stations DC traction current system. it also provides detailed results of the traction rectifier substation Ostrava-Svinov load measurement. The measured valued are subsequently used for calculation of characteristic coefficients, whitch…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

17.

Electrical Energy Quality Studies in 3 kV DC Electric Traction Systems for Different Schemes of Connection Traction Substation to Power Utility System
Mierzejewski, Leszek - Szelag, Adam - Jankowski, Pavel

Formato:	,
Enlaces:	The paper present aspects of DC electric traction system influence on electric energetic system. Study is based on modeling and simulation of electrified railway line. After simulation, there was performed analysis of energy quality, whitch using results of simulation and…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

18.

Decentralised Power Active Filters
Roch, Marek - Dobrucky, Branislav - Hosny, Wada M.

Formato:	,
Enlaces:	This paper deals with a decentralised power active filter control based on the separated computation of reference current for each active filter operating under determinated harmonic frequency. The basic principle of such controlled active filter is explained. It is shown…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

19.

Developing Trends of Railway Traffic Control
Tarnai, Geza

Formato:	,
Enlaces:	The future of a railway operator is depending on the success of simultaneous improvement of service quality and cost effectiveness. In this paper we are going to investigate, how traffic control systems - by their developing trends - can contribute…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

20.

Issues of ERTMS Implementation at the Polish Railways
Bialon, Andrzej - Mikulski, Jerzy

Formato:	,
Enlaces:	Short description of ERTMS system. Legal conditions of ERTMS system implementation on Polish Railway. Implemanetation study of the polot ERTMS installation for E-20 Warszawa-Kunowice. Trans-boundary section of ERTMS on the E-65 line Katowice - Bohumin. Necessity of ERTMS implementation with…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

21.

Optimalization of selected RFID systems Parameters
Vestenicky, Peter

Formato:	,
Enlaces:	This paper describes procedure for maximization of RFID transponder read range. This is done by optimalization of magnetics field intensity at transponder place and by optimalization of antenna and transponder coils coupling factor. Results of this paper can be used…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

22.

Power Analysis of Traction Transformer under Non-Sinusoidal Conditions
Kijonka, Jaromir - Orsag, Petr - Palecek, Josef

Formato:	,
Enlaces:	Article deals with power analysis of traction transformer 100/27 kV, Sn= 10MVA under non-sinusoidal conditions. The power analysis is evaluated by means of IEEE Trial Use Standard Definitions of the Electric Power Quantities under Non-Sinusoidal Conditions, Document Number: IEEE 1459-2000.
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

23.

Circuit Model of Traction Load under Non-Sinusoidal Conditions
Kijonka, Jaromir

Formato:	,
Enlaces:	Article deals with determination of circuit parameters of the traction load under non-sinusoidal conditions. The circuit parameters are defined by new integral transformation of measured non-sinusoidal voltage and current.
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

24.

Slew Rate and Step Response of the Noninverting Structure with an Operational Amplifier
Puncochar, Josef

Formato:	,
Enlaces:	When a large-step input voltage is applied to an operational amplifier (OP AMP) input, the output waveform reises with a finite slope called the slex rate which is due to an amplifier input stage current limiting (Im) and because of…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

25.

Electromagnetic Phenomena as the Principles of Material Nondestructive Evalution
Capova, Klara; University of Zilina - Cap, Ivo - Faktorova, Dagmar

Formato:	,
Enlaces:	In the paper the principles and application of nondestructive evalution by both electromagnetic acoustic transducer (EMAT) and the eddy current (EC) methods are introducted. The ultrasonic testing (UT) and the electromagnetic nondestructive testing (NDT) are presented with their fundamental properties…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

26.

Analysis of Vibration Microgenerator
Sperova, Alice - Fiala, Pavel

Formato:	,
Enlaces:	This contribution brings numerical results of the analysis of gravitation generator. The draft was created as a part of project trying to increase safety of air traffic.
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

27.

Comparing image compression methods in biomedical applications
Hargas, Libor - Hrianka, Miroslav

Formato:	,
Enlaces:	Compression methods suitable for image processing are described in this article in biomedical applications. The compression is often realized by reduction of irrelevance or redundancy. There are described lossless and lossy compression methods which can be use for compress of…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

28.

Advanced Method of the Elastomagnetic Sensors Calibration
Prascak, Mikulas - Fabo, Peter

Formato:	,
Enlaces:	Elastomagnetic method (EM method) is a highly sensitive non-contact evaluation method for measuring tensile and compressive stress in steel. The latest development of measuring devices and EM sensors has shown that the thermomagnetic phenomenon has a stron influence on th…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

29.

Investigation of High - Frequency Electromagnetic Fields Radiated by Mobile Phone
Darmova, Vilibalda

Formato:	,
Enlaces:	In the last few years mobile phones have become an usual part of our daily life. The number of their users increases rapidly every year. Frequency asked question among general public and among specialist is safety of mobile phones for…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

30.

Igor Klyukanov: A Communication Universe: Manifestations of Meaning, Stagings of Significance
Semetsky, Inna

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion,
Enlaces:	Descripción completa.
Fecha:	2011-08-08
Recurso:	International journal of communication

Recurso libre

31.

Transport Characteristics of Tryptanthrin and its Inhibitory Effect on P-gp and MRP2 in Caco-2 Cells
Zhu, Xingang; Fudan University - Zhang, Xuelian; Fudan University - Ma, Guo; Fudan University - Yan, Junkai; Fudan University - Wang, Honghai; Fudan University - Yang, Qing; Fudan University

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion,
Enlaces:	Purpose. Tryptanthrin, an indole quinazoline alkaloid with multiple medical activities, has been recently under preclinical development as an anti-tuberculosis and anti-tumor drug. The aims of this study are to characterize the intestinal transport of tryptanthrin in Caco-2 cells, to determine…
Fecha:	2011-08-08
Recurso:	Journal of Pharmacy and Pharmaceutical Sciences

Recurso libre

32.

VOL 1 NO 2 COVER PAGE
Bo Mou; San Jose State University

Formato:	preliminaries
Enlaces:	This page provides the journal cover design, which can be used as the cover page of a hard copy of the whole or partial set of the contents of the current issue (vol 1, no 2) of the journal.
Fecha:	2010-07-08
Recurso:	Comparative Philosophy

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33.

VOL 1 NO 2 INFORMATION PAGE
Bo Mou; San Jose State University

Formato:	preliminaries
Enlaces:	This page provides some basic journal information (the constitution of the international editorial board of the journal, the identity of itsl publisher, its emphasis, coverage and orientation, etc.).
Fecha:	2010-07-08
Recurso:	Comparative Philosophy

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34.

EDITOR'S WORDS
Bo Mou; San Jose State University

Formato:
Enlaces:	The Journal Editor makes two explanatory notes on the “form” and “content” of the current issue, both of which are related to some distinguishing features of the Journal.
Fecha:	2010-07-08
Recurso:	Comparative Philosophy

Recurso libre

35.

Produtividade do feijoeiro irrigado sob diferentes sistemas de preparo do solo e de rotação de culturas.
SILVEIRA, P. M. da - SILVEIRA NETO, A. N. da - STONE, L. F. - OLIVEIRA, L. F. C. de.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	O objetivo do trabalho foi avaliar os efeitos de dois sistemas de preparo do solo, plantio direto seguido anualmente de um preparo com arado e plantio direto contínuo, e quatro rotações de culturas, envolvendo milheto, soja, arroz e milho, sobre…
Fecha:	2011-04-09
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

36.

Comportamento de cultivares de arroz de terras altas no sistema plantio direto em duas profundidades de adubação.
GUIMARÃES, C. M. - STONE, L. F. - CASTRO, E. da M. de.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	O objetivo deste trabalho foi determinar o efeito de duas profundidades de adubação no comportamento de quatro cultivares e de uma linhagem de arroz de terras altas no sistema plantio direto (SPD). Os experimentos foram conduzidos em SPD, após soja,…
Fecha:	2011-04-09
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

37.

Preventive Methods for ATM Mode Control
Baronak, Ivan; Slovak University of Technology - Trska, Robert

Formato:	,
Enlaces:	Broadband transfer mode ATM represent one of alternative solutions for growing requirements on transfer capabilities. Its advantage is an effort for provisions of guaranteed quality of transport services with preservations of high transfer rate. This property is covered by several…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

38.

Wavelet Denoising of NMR Signal Using QMF Filter Bank Designed by Remez Algorithm
Kubasek, Radek - Gescheidtova, Eva - Bartusek, Karel

Formato:	,
Enlaces:	The wavelet transform is an up-to-date method for digital signal processing used in many branches of technofogy. One of its applications is the suppression of noise in useful signal. The paper deals with suppressing noise in a signal scanned on…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

39.

Resources of Digital FIR Filters Hardware Implementation in FPGAs for Digital Image Processing in Real Time
Kulla, Peter - Huska, Josef - Cvicela, Peter

Formato:	,
Enlaces:	The main image information content, from the human visual system viewing point, is focused into whole colorimetric and spatial informations. Because every image is result of some previous processes, the goal for all standard image processing methods is improvement colorimetric…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

40.

Measurement of the Switching Force without Force Sensor
Skala, Bohumil; University of West Bohemia in Plzen

Formato:	,
Enlaces:	At the railways, some parts of the a high speed corridor are being finished at present. In these corridors, trains can reach the speed of up to 160 km per hour. Consequently, the demand on switch point machine computer diagnostics…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

41.

Current and Speed Control of the Switched Reluctance Motor
Fort, Jiri

Formato:	,
Enlaces:	The papers deals with the problem of the current and speed control of the switched reculttance motor (SRM) on the base of the proposed mathematical model of the SRM. The basic types of the controllers are described (proportional controller, PI-controller…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

42.

Design and Parametr Analysis of Switched Reluctance Motor with Permanent Magnets
Rafajdus, Pavol - Hrabcova, Valeria - Trak, Ivan

Formato:	,
Enlaces:	This paper deals with Switched Reluctance Motor (SRM) parametr investigation, if permanent magnets are suitable inserted in stator parts to increase magnetic flux. The analysis is made on the base of input geometrical dimensions and materials of a real SRM…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

43.

Linear and Planar Variable Reluctance Motors for Flexible Manufactoring Cells
Szabo, Lorand; Technical University of Cluj Napoca - Viorel, Ioan Adrian - Szepi, Imre

Formato:	,
Enlaces:	Most advances manufactoring processes require precise linear motion for several tasks as material transfer, packaging, assembly or electrical wiring. To achieve precise linear motion, most of the usual high-performance manufactoring machines use X-Y sliding tables with rotary motors and rotary…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

44.

On the Large Synchronous Machine Parameters Calculatioin
Viorel, Ioan Adrian - Simond, Jean Jacques - Xuan, Mai Tu - Vicol, Liliana

Formato:	,
Enlaces:	The large synchronous generators were intensively studied, but not so many papers are entirely dedicated to the analythical calculation of the generator´s parameters. Therefore any contribution should be welcomed if it offers an improvement in the existing procedures or formulae.…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

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45.

Intelligent Compact Drive System with a Synchronous Variable Reluctance Motor
Viorel, Ioan Adrian - Szabo, Lorand - Ciorba, Radu C. - Barz, Vasile

Formato:	,
Enlaces:	The increase of energy costs underlines the need to use more efficient drive systems. One of the best solutions to reduce energy costs is the use of variable speed drives. They can easily match motor torque and speed to the…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

46.

Transformer Load-Tap Changers: State-of-Art and Trends
Tesarova, Miroslava - Krasl, Milan

Formato:	,
Enlaces:	Load tap changes (LTC) are a major component of many transformers. They are used to change the voltage of secondary/primary side of a transformer to compensate for voltage variations in the power systems manly caused by variable loading. The paper…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

47.

Excitation of Oscillation on Input Filter of Traction Vehicle with Induction Motor
Lewandowski, Miroslaw

Formato:	,
Enlaces:	The phenomenon of oscillation created on input filter of traction vehicle with induction motor is analyzed here. Instability of the filter may occur especially in case when the receiver is responsible for the filter load and its power is maintained…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

48.

Single-Phase Power Theory Using Orthogonal Transformations
Dobrucky, Branislav - Roch, Marek - Hosny, Wada M.

Formato:	,
Enlaces:	The paper deals with the new method of power analysis of single-phase power electronic systems. Using a new particular transform theory the ordinary single-phase system can be transformed into equivalent two-axis orthogonal one. The new original thought is based on…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

49.

Modelling of Failure Effect to Integrity of System
Rastocny, Karol; University of Zilina

Formato:	,
Enlaces:	The interlocking systems are typically resisting against hazardous faults. Failure effect on the system can be determined directly by monitoring the original system installation, by simulation of the system operation using its model, or by computing or theoretical reasoning. The…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

50.

Hash Mechanisms Suitable for Transmission of Safety - Related Messages
Franekova, Maria; University of Zilina

Formato:	,
Enlaces:	The paper deal with problems of data security in the safety - related transmission systems defined within railway process. In details is analysed possibility od using hash-coding techniques, which are generally defined in norm EN 50159-2. According to specification of…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

51.

Examination of Level Crossings on ETCS Equipped Lines with Complex Simulation
Vincze, Bela - Tarnai, Geza

Formato:	,
Enlaces:	Because of the lack of former experiences with the new ETCS system, several experiments and tests have to be carried out with various technologies before any installation. For such a new system, it is also very important to have well…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

52.

Distribution of AC Contact Network Electric Field Strenght
Cherneva, Galina Petkova - Andonov, Antonio

Formato:	,
Enlaces:	To provide the stock electromagnetics compatibility is a serious problem with the contemporary development of the railway transport and implementation of lines for connection. The AS contact system is on of the main equipment of the electrify railway transport that…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

53.

Methodology Used to Create System Architecture for its in Slovakia
Janota, Ales - Zahradnik, Jiri

Formato:	,
Enlaces:	The paper deals with an object oriented approach proposed by the authors for creation of the ITS system architecture in the Slovak Republic and shows how a reference architecture can be created as s base for future more detailed architectures…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

54.

Solving of some Problems with On-Line Mode Measurement of Partial Discharges
Zalis, Karel

Formato:	,
Enlaces:	This paper deals with the problems discussing the transition from off-line diagnostic methods to on-line ones. Based on the experience with commercial partial discharge measuring equipment a new digital system for the evaluation of partial discharge measurement including software and…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

55.

Virtual Instruments for Detecting Rotor Faults in Induction Motors
Szabo, Lorand; Technical University of Cluj Napoca - Dobai, Jeno Barna - Biro, Karoly Agoston

Formato:	,
Enlaces:	Rotating electrical machines play an important role in the world´s industrial life. Hence there is a demand on their reliable and safe operation. Their faults and failures can lead to excessive downtimes and generate enormous costs in reduced output, emergency…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

56.

Study of High Temperature Insulation Materials
Mentlik, Vaclav - Kucerova, Eva - Bocek, Vaclav - Sebik, Pavel

Formato:	,
Enlaces:	One of current objectives of the electro insulating technology is the development of the material for extreme conditions. There is a need to operate some devices in extreme temperatures, for example the propulsion of the nuclear fuel bars. In these…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

57.

Analysis of Electromagnetics Forces on Magnetically Suspended High-Speed Trains
Mayer, Daniel - Jedlicka, Martin

Formato:	,
Enlaces:	High-speed superexpresses (HSST) developed by Japanese airlines (JAL) are based on the electrodynamics principle of magnetic suspension. The track contains short-circuited coils and interaction between them and superconductive coils in the vehicle produces its suspension. The paper includes a mathematical…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

58.

Modelling of Magnetic Field Shielding and Penetration into Superconducting Strips
Sumichrast, Lubomir - Mican, Marcel - Gomory, Fedor

Formato:	,
Enlaces:	The superconducting strips have the property of shielding the magnetic field from the interior of the superconducting conductor, i.e. the current distribution inside the superconducting strip is such as to minimise overall energy of the magnetic field inside the strip.…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

59.

Magnetic and Electric Properties of Magneto polymer Composites
Slama, Jozef - Papanova, Maria - Gruskova, Anna - Usakova, Marianna - Dosoudil, Rastislav

Formato:	,
Enlaces:	Permeability spectra of MnZn ferrite composite materials, prepared by mixing ferrite particles with PVC, have been studied. As the ferrite filler content decreases in composite, the quasistatic permeability of the rotation component decreases and relaxation and the resonance frequency shift…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

60.

Magnetic Non-destructive Testing of Plastically Deformed Mild Steel
Pala, Jozef - Bydzovsky, Jan - Smida, Tibor

Formato:	,
Enlaces:	The Barkhausen noise analysis and coercive field measurement have been used as magnetic non-destructive testing methods for plastically deformed high quality carbon steel specimens. The strain dependence of root mean square value and power spectrum of the Barkhausen noise and…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

61.

Transient Magnetic Field in a Conducting Cylinder
Piatek, Zygmunt

Formato:	,
Enlaces:	In the paper we determine the transient magnetic field in a conducting cylinder placed in external longitudinal sine-shaped magnetic field using the solution of Bessell equation in cylindrical co-ordinates, and also applying integral Laplace transformations, attenuation and diffusion of the…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

62.

Capacitive Coupling in Double-Circuit Transmission Lines
Benesova, Zdenka - Sroubova, Lenka

Formato:	,
Enlaces:	The paper describes an algorithm for calculation of capacitances and charges on conductors in systems with earth wires and in double-circuit overhead lines with respect to phase arrangement. A balanced voltage system is considered. A suitable transposition of individual conductors…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

63.

Comparison of Systems for Levitation Heating of Electrically Conductive Bodies
Dolezel, Ivo - Dvorak, Pavel - Mach, Martin - Ulrych, Bohus

Formato:	,
Enlaces:	Levitation heating of nonmagnetic electrically conductive bodies can be realized in various systems consisting of one of more inductors. The paper deals with compassion of the resultant. Lorentz lifts force acting on such a body (cylinder, sphere) and velocity of…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

64.

The Errors Caused by Test Site Configuration at the Radiated Emission Measurement
Bittera, Miki - Hallon, Josef - Kovac, Karol - Szolik, Imrich

Formato:	,
Enlaces:	Nowadays, it is very important to know and to keep uncertainty of EMC measurements at low value to ensure the comparability of measurement results from different laboratories. This paper deals with analysis of uncertainties caused by improper test site configuration…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

65.

Propagation of Microwaves Thought Atmospheric Environment
Kocifaj, Miroslav - Martincek, Ivan

Formato:	,
Enlaces:	Wireless microwave systems tend to have high availability figures, but at the expense of the ability to operate at higher data rates. A quality of free space communication depends on atmospheric conditions. It is shown that microwave attenuation reacts sensitively…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

66.

IF-Filters for Mobile Telephones
Nevesely, Miloslav

Formato:	,
Enlaces:	Intermediate frequency (IF) filters for channel selection in mobile phone systems must offer narrow bandwidths together with very steep skirts and excellent stop band rejection. Surface acoustic wave (SAW) filters fulfil these requirements. But if conventional transversal design techniques are…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

67.

Basic Principles and Utilization Possibilities’ of Ultrasonic Phased Array in Material Nondestructive Evaluation
Faktorova, Dagmar - Capova, Klara - Cap, Ivo

Formato:	,
Enlaces:	The paper deals with the basic principles of operation and with the utilization possibilities of phased array (PA) in materials nondestructive testing (NDT). The first part deals with description of PA arrangement modes, which enable to generate, focus and steer…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

68.

A vocalisation-based drawing interface for disabled children
Burke, Edward - Paor, Annraoi de - McDarby, Gary

Formato:	,
Enlaces:	In our work with disabled children at Ireland's National Rehabilitation Hospital, a problem we have experienced in the facilitation of art activities is that traditional art materials and standard computer drawing programs sometimes prove inaccessible. In this paper, an original…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

69.

Progress in Programmable Logic
Cuntala, Jozef - Sindler, Peter - Kondelova, Anna

Formato:	,
Enlaces:	Programmable logic devices (PLD) are situated on important place among microelectronic components thanks to the continuing technological development of semiconductor components, due to new architectures and new approaches to digital systems design. Software design of various complicated digital systems becomes…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

70.

Influence of Substituion on Barium Ferrite Properties
Jancarik, Vladimir - Papanova, Maria - Kevicka, Darina - Dosoudil, Rastislav - Gruskova, Anna - Toth, Ignac

Formato:	,
Enlaces:	BaFe12-2x(Ni, Zn)xSnxO19 M - type compounds processed by citrate precursor method with substitution level 0.0 <x<0.6 were studied. Mossbauer spectroscopy and thermomagnetic analysis were used to investigate the magneto - crystalline structure of these hexaferrites. Coercive field intensity Hc, specific…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

71.

Analysis of Acoustic Spectra Reflecting Ion Transport Processes in Glassy Electrolytes
Hockicko, Peter - Bury, Peter - Jurecka, Stanislav - Jamnicky, Miroslav - Jamnicky, Igor

Formato:	,
Enlaces:	The investigation of acoustic spectra in ion conductive glasses wiht different composition can reflect the basic features of the relaxation and transport processes of the mobile ions. It was found that the temeperature responses of all acoustic spectra are very…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

72.

Evaluation of Magnetic Polymer Composite Parameters from FMR Measurement
Kollar, Mojmir - Franek, Jaroslav

Formato:	,
Enlaces:	The article proposes an evaluation procedure for determining the magnetic parameters, particularly the saturation magnetic polarization of Ni0.3Zn0.7Fe2O4 powder embedded in non-magnetic polymer from FMR measurements. Dependence of the reflected microwave signal magnitude and phase on the ferrite powder of…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

73.

The Generation of Higher Order Diffraction Beams by Photorefractive Record of Harmonic Optical Field
Tarjanyi, Norbert - Turek, Ivan

Formato:	,
Enlaces:	There are some results of investigation of photorefractive record of interference field created by two planar wave of Ar laser (488 nm) in LiNbO3:Fe presented in this work. Such record behaves as a phase diffraction grating. The time dependence of…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

74.

Interference Imaging of Refractive Index Distribution in Thin Samples
Turek, Ivan - Tarjanyi, Norbert

Formato:	,
Enlaces:	There are three versions of interference imaging of refractive index distribution in thin samples suggested in this contribution. These are based on imaging of interference field created by waves reflected from the front and the back sample surface or imaging…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

75.

Application of Open Circuit Voltage Decay to the Characterization of p/n+ and n/p+ Epitaxial Layer
Tapajna, Milan - Pjencak, Jaroslav - Vrbicky, Andrej - Kudela, Pavol - Harmatha, Ladislav

Formato:	,
Enlaces:	High quality silicon epitaxial layers are inevitable in bipolar and/or unipolar technology. However, its properties are not as easy characterized as those of bulk material. The recombination lifetime is dominated by surface/interface recombination for thin layers, which epitaxial ones generally…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

76.

Characterization of High Energy Irradiated MOS Structures Using the Capacitance Methods
Pisecny, Pavol - Stuchlikova, Lubica - Harmatha, Ladislav - Tapajna, Milan - Csabay, Otto

Formato:	,
Enlaces:	The formation and annealing of radiation-induced defects in MOS structures exposed to 710 MeV Bi ions and 305 MeV Kr ions radiation with a fluency of 10^9 and 10^10cm^2 have been studied by capacitance methods. Electrical activity of the defects…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

77.

Position Control of Linear Synchronous Motor Drives with Exploitation of Forced Dynamics Control Principles
Vittek, Jan - Buchner, Peter - Dodds, Stephen J.

Formato:	,
Enlaces:	Closed-loop position control of mechanisms directly driven by linear synchronous motors with permanent magnets is presented. The control strategy is based on forced dynamic control, which is a form of feedback linearisation, yielding a non-liner multivariable control law to obtain…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

78.

Automated DC Substation Short-Current Evaluation
Dohnal, Petr - Urban, Ferdinand - Valenta, Jiri

Formato:	,
Enlaces:	Technical praxis has no easy-to-use standardized method for a DC short-current evaluation. For a correct rating of rectifying blocks (diodes) and input and output current-carrying cables is need to know short-current parameters. The current flow in the substation is derived…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

79.

Differential and Integral Models of TOKAMAK
Dolezel, Ivo - Karban, Pavel - Mach, Martin - Ulrych, Bohus

Formato:	,
Enlaces:	Modeling of 3D electromagnetic phenomena in TOKAMAK with typically distributed main and additional coils is not an easy business. Evaluated must be not only distribution of the magnetic field, but also forces acting in particular coils. Use of differential methods…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

80.

Distribution of the Current Density in Electrolyte of the Pem Fuel Cell
Kurgan, Eugeniusz - Schmidt, Pawel

Formato:	,
Enlaces:	In this paper water management in proton exchange membrane (PEM) fuel cell is considered. Firt mass convervation law for water is applied. Next proton transport is described by the Nernst-Planck equation and liqid water convection velocity is eliminated by the…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

81.

Distribution of Electrochemical Reaction Components in Crevice Corrosion Cell
Kurgan, Eugeniusz - Solek, Marek

Formato:	,
Enlaces:	In this paper numerical model of the crevice corrosion is developed. The model considers electrochemical reactions for the iron on the metal electrolyte boundary and chemical reactions which take place in the crevice electrolyte. Mass transfer of ionic species is…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

82.

An Exploration of Canoeing Action as Therapy for Spinally Injured People
Halpin, Catherine - Paor, Annraoi de

Formato:	,
Enlaces:	This paper outlines the design and building of a kayak machine, for use by person with spinal injury. We designed an eddy current brake to apply varying known torques on the system, which determine the power required by the user…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

83.

Voigt Size-Strain Broadening Of Pd Thin Films
Zucha, Vladimir - Jackuliak, Quido

Formato:	,
Enlaces:	Pd thin films were deposited onto Si (100) and glass/Pd/etching substrates by means of r.f. reactive sputtering under the same sputtering condition in order to appreciate the influence of substrate structure. The aim of this study was to appreciate the…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

84.

Characterization of Unipolar Power Devices Technology
Harmatha, Ladislav - Tapajna, Milan - Pisecny, Pavol - Stuchlikova, Lubica - Donoval, Daniel

Formato:	,
Enlaces:	The quality of momentus technological steps in unipolar power devices manufactoring was examine by means of capacitance and current measurements using a metal-oxide-semiconductor capacitors (MOS-C). From the low- (If) and high-frequency (hf) capacitance-voltage (C-V) curves, the effective defect charge and…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

85.

Analysis of Transient Actions Influence in Power Transformer
Jurcik, Josef - Gutten, Miroslav - Korenciak, Daniel

Formato:	,
Enlaces:	This article is focused on the theory of unacceptable effect on transformer winding, mainly the overvoltages and the mechanical forces. In the next part of the article is described the measurement of selfdischarging voltage frequency dependence on transformer. The second…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

86.

Investigation of Power Losses of Two-Stage Two-Phase Converter with Two-Phase Motor
Prazenica, Michal - Kassa, Jan - Sedlak, Jozef

Formato:	,
Enlaces:	The paper deals with determination of losses of two-stage power electronic system with two-phase variable orthogonal output. The simulation is focused on the investigation of losses in the converter during one period in steady-state operation. Modeling and simulation of two…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

87.

Safety Evalution of Cryptography Modules within Safety Related Control Systems for Railway Applications
Franekova, Maria; University of Zilina - Vyrostko, Marek

Formato:	,
Enlaces:	The paper deals with the problem of safety evaluation of cryptographic modules used within safety-related control system for applications with increasing safety integrity level. The requirements to cryptographic techniques in safety-related communication for railway application are describe. The mainly part…
Fecha:	2011-07-07
Recurso:	Advances in Electrical and Electronic Engineering

Recurso libre

88.

Enhancing the Accounting Major with Online Learning
Friedman Ph.D, Hershey; Professor Dept of Finance and Business Management Brooklyn College of the City University of New York - Kass-Shraibman, Ph.D., CPA, Frimette; Associate Professor Dept. of Accountancy, Taxation and Law Brooklyn College of the City University of New York

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Accounting majors who wish to be successful in life must learn to acquire knowledge using all kinds of platforms. The belief that the only way people can learn is by classroom instruction is not supported by research. The authors show…
Fecha:	2013-07-08
Recurso:	International Journal of Business and Social Research

Recurso libre

89.

Networks for Social Enterprise: Applying a systems perspective to case studies in Latin America
Nielsen, Christine; Department of Management and International Business Merrick School of Business University of Baltimore Baltimore, MD 21201 USA - Carranza, Ing. Daniel; Universidad Internacional Morelos, Mexico C.P. 62179

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	The purpose of this research is to enhance understanding of social enterprise in emerging markets, highlighting key success factors. A general systems perspective is applied to comparative case studies in the Dominican Republic and Mexico, revealing interrelationships among social entrepreneurs,…
Fecha:	2013-07-08
Recurso:	International Journal of Business and Social Research

Recurso libre

90.

Impact of Closed-Loop Gift Card Promotions By Businesses
W. Ernstberger, Kathryn; Indiana University Southeast School of Business, 4201 Grant Line Road New Albany, IN 47150 - McDowell, D.; Indiana University Southeast School of Business, 4201 Grant Line Road New Albany, IN 47150 - Parris, J.; Indiana University Southeast School of Business, 4201 Grant Line Road New Albany, IN 47150

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	At their inception, gift cards were sold by businesses to customers to give as gifts to others. More recently, gift cards are beingused strategically by businesses to manage and transform their relationships with customers. Of particular interest here is the…
Fecha:	2013-07-08
Recurso:	International Journal of Business and Social Research

Recurso libre

91.

Factors that Inhibit Globally Distributed Software Development Teams
House, Deanna; 701 S. West St. Box 19437 Arlington, TX 76019-0437

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Globally distributed teams can frequently have problems specifically related to the distance and differences among team members. This paper synthesizes literature related to globally distributed software development teams to find the factors that inhibit team success. This research indicates that…
Fecha:	2013-07-08
Recurso:	International Journal of Business and Social Research

Recurso libre

92.

Predicting and Explaining Currency Crisis in Sudan
Bannaga PhD, Dr. Alamedin; Manchester University The Arab Monetary Fund – Abu Dhabi United Arab Emirates

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Sudan is one of the countries that suffer enormously from currency crisis. The study adopts statistical methods to identify crisis episodes and investigate behaviors of some economic indicators that can predict crisis incidence. The indicators are then utilized to characterize…
Fecha:	2013-07-08
Recurso:	International Journal of Business and Social Research

Recurso libre

93.

A prescription for developing countries to avoid chaos: A tolerant view
S. Bawaneh, Shamsi; Department of Business King Talal School for Business Princess Sumaya University for Technology Al Jubaiha, 11941 Jordan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	To avoid chaos, instability and bloodshed in the developing countries that are candidate for the next Arabian Spring, this study puts forward a suggested prescription that depends on wisdom as well as on tolerance and reconciliation between the three major…
Fecha:	2013-07-08
Recurso:	International Journal of Business and Social Research

Recurso libre

94.

The Application of Innovative Management Accounting Principles for Enhancing Profitability and Competitiveness: An Exploratory Study of Jamaican Manufacturers
C. James, Phillip; University of Technology Jamaica College of Business and Management School of Business Administration

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	This study represents the first in management accounting research in Jamaica which seeks to determine the extent to which innovative management accounting principles (IMAPs) are applied in the manufacturing sector. The aim is to determine if manufacturers in Jamaica are…
Fecha:	2013-07-08
Recurso:	International Journal of Business and Social Research

Recurso libre

95.

Research Journal of Medicine and Medical Sciences

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2007-07-18
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

96.

Korean Journal of Pediatrics

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-08-11
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

97.

Journal of Integrated OMICS

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-07-10
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

98.

Journal of Pregnancy

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2010-08-18
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

99.

Opening Writing Doors Journal

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-08-19
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

100.

Global Journal of Mathematical Analysis

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-07-08
Recurso:	Directory of Open Access Journals - DOAJ