Titlebook: New Contributions in Information Systems and Technologies; Volume 2 Alvaro Rocha,Ana Maria Correia,Luis Paulo Reis Conference proceedings 2

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chools are calling for the application of this approach in teaching science. However, little has been known about how the construction of representations could enable teachers to make changes in their pedagogical practices. This chapter discusses how to enable teachers to make changes in their pedag

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Cylindrical Rectangular Antenna for Wireless Communications directions, however, much of the radiated signal is not used. The directive antennas are those whose property radiate and receive electromagnetic waves with better efficiency in algunas ,directions. This paper presents a cylindrical rectangular antenna, which aims to get better signal use and show

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Antenna for Fifth Generation (5G) Using a EBG Structure the purpose of presenting an antenna applied for fifth generation (5G), operating at frequency of 28 GHz, using an EBG (Electromagnetic Band Gap) structure to obtain an increased bandwidth. With faster speed, lower latency and performance significantly greater than any other, shows up the internet

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