Rapid technological advances are affecting the greater use of electrical energy. One devices that can generate energy is a generator. Testing characteristics generator required drive motor to rotate shaft. This research aims create three-phase input power measurement system for driving motor. The method measuring by current and voltage each phase. obtained from multiplication between voltage. c...

The aim of this research is to identify pre-service science teachers’ experiences during the simple electrical circuit establishment process, points they were challenged with, and developed strategies used against challenges experimenting with process. In study, embedded single case which one qualitative methods, was used. two weeks tertiary level Physics Laboratory-2 course, each lasted 1, 5 h...

as much discussed in literature, the creation of digital libraries should be informed by user requirements and behaviors (soergel, 2002). according to researchers, the best designs for children come from children .this study describes how the iranian children use a digital library (icdl). this work was done in order to explore and discover new directions for the development of children digital ...

results there was no significant differences between if and conventional mode regarding visibility of mic (p > 0.05). conclusion although using if caused improved visibility of mic, the difference with conventional mode was not statistically different. patients and methods in this cross-sectional study, 2580 digital panoramic images of 18 to 70-year-old patients were inspected for presence of m...

introduction: optimal radiopacity is one of the properties required for a root canal sealer that helps the distinction between the sealer and surrounding anatomic structures and evaluation of the quality of root filling. so, the purpose of this study was to evaluate the radiopacity of six root canal sealers at different focal distances. materials and methods: in this in vitro study, six endodon...

the main purpose of this paper is identifying the current situation of iranian digital libraries in terms of interoperability abilities and proposing an interoperability solution for iranian digital libraries. analytical survey is used in this research. in fact, questionnaire and observation were used for collecting data about the current situation of iranian digital library applications. the g...