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Design of small antennas is challenging because fundamental physics limits the performance. Physical bounds provide basic restrictions on the antenna performance solely expressed in the available antenna design space. These limits offer antenna designers a-priori information about the feasibility of antenna designs and a figure of merit for different designs. Here, an overview of physical bounds o
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This text makes the point that we cannot understand civic agency - people's taking on the role of acting as citizens - in a vacuum. The notion of encompassing civic cultures is introduced to analylically anchor civic agency in the horizons of everyday life, practices, and identity
Coldings tool life equation for metal cutting tools has been modified to suit the difficult to machine material Maxthal. The dominant tool wear mechanisms during machining of Maxthal are abrasive and adhesive wear and a strongly temperature dependent chemical deterioration. The combination of these three mechanisms leads to a considerable variation in tool life, even when the cutting speed has bee
The paper classifies available online products and their applicability through the model offered by Diana Laurillard as to their contributions to active learning.
