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Escape depth of secondary electrons from electron-irradiated polymers
(1992-08-01)
Measurements on polymers (Teflon FEP and Mylar) have shown that the secondary electron emission from uncharged surfaces exceeds that from surfaces containing a positive surface charge. The reduced emission of charged ...
Power electronics courses for the new paradigms of the electrical system
(2011-12-28)
This paper presents a historical perspective of the Power Electronics education that has lead to the present situation in which such technology is indispensable for the exploitation of almost all type of clean energy primary ...
Setting the preheating process of electronic ballasts for hot-cathode fluorescent lamps, considering the Rh/Rc ratio
(2006-12-01)
This paper presents a new model for the representation of the electrodes filaments of fluorescent lamps, during their preheating, and an analysis capable to guide the design of the preheating process in electronic ballasts. ...
POWER ELECTRONICS COURSE: ANALYSIS AND EVALUATION OF THE EDUCATIONAL SOFTWARE AND THE ENVIRONMENT LEARNING
(Ieee, 2011-01-01)
This paper presents the analysis and evaluation of the Power Electronics course at Sao Paulo State University-UNESP-Campus of Ilha Solteira(SP)Brazil, which includes the usage of interactive Java simulations tools and an ...
Criteria for analysis of the structure of electronic scientific journals
(Universidade do Minho, 2003-01-01)
This paper is the result of the Masters dissertation studying the role and history of scientific communication, especially the changes that have occurred after the appearance of electronic communication and computer networks. ...
Power Electronics course: Analysis and evaluation of the educational software and the environment learning
(2011-12-28)
This paper presents the analysis and evaluation of the Power Electronics course at So Paulo State University-UNESP-Campus of Ilha Solteira(SP)-Brazil, which includes the usage of interactive Java simulations tools and an ...
Educational Java applets get in power electronics labs
(2005-12-01)
This paper presents Java applet programs for a WWW (world wide web)-HTML (hypertext markup language)-based multimedia course in basic power electronics circuits. These tools make use of the benefits of Java language to ...
Electron Interactions with Disulfide Bridges
(Recife, 2012-11-11)
Because of its electronic properties, sulfur plays a major role in a variety of metabolic processes and, more in general, in the chemistry of life. In particular, S-S bridges between cysteines are present in the amino acid ...
Operational safety: Development of electronic system for dynamic balance evaluation of farm tractors
(2013-04-03)
The present study aimed at the development and evaluation of a low cost electronic device in order to provide safety for farm tractor users. The major accident occurrence in agricultural surroundings is from farm tractor ...
A high efficiency HPF-ZCS-PWM Sepic for electronic ballast with multiple tubular fluorescent lamps
(2002-01-01)
This paper presents a high efficiency Sepic rectifier for an electronic ballast application with multiple fluorescent lamps. The proposed Sepic rectifier is based on a Zero-Current-Switching (ZCS) Pulse-Width-Modulated ...