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Comparative Study of smart irrigation control in greenhouses
Shahidian, Shakib; Serralheiro, Ricardo; Serrano, João Manuel; Machado, Rui ManuelWith greenhouses it is possible to increase crop production and reduce significantly the water use. Additionally advancements in electronics and shortage of water have led to the development of “smart” or adaptive irrigation controllers that adjust the water application depth to plant needs, and thus increase water savings. The two most common types are soil moisture based and evapotranspiration based systems. ...
RECYCLING PRINTERS FOR EDUCATIONAL PURPOSES
Shahidian, Shakib; Serralheiro, Ricardo; Serrano, João; Machado, Rui ManuelLarge amounts of printers are thrown out annually, since it is usually more attractive to buy a new printer than to replace ink cartridges, especially if the apparent cost is very similar. Most of the discarded printers either end up in land fills, or are melted for recovery of the metal components. At the University of Évora, a new approach has been developed since 2007: old printers are dismantled and the par...
RECICLAGEM DE IMPRESSORAS NO ENSINO DE COMPUTAÇÃO FÍSICA
Shahidian, Shakib; Serralheiro, Ricardo; Serrano, João Manuel; Machado, Rui ManuelApesar da importância crescente da informática e electrónica no dia-a-dia da sociedade e dos profissionais é surpreendente constatar que o sistema educativo abandonou o ensino destes temas nos cursos de Engenharia e ciências em geral. Os impactos desta lacuna na competitividade da nossa economia são facilmente previsíveis. De forma a contrariar essa tendência a Universidade de Évora está a oferecer disciplinas ...
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