The Cultural Sites of Al Ain (Hafit, Hili, Bidaa Bint Saud and Oases Areas) constitute a serial property that testifies to sedentary human occupation of a desert region since the Neolithic period with ...

The traditional linear economic model — extracting materials, turning them into manufactured goods and discarding them after consumption — is often criticized for creating a considerable amount of ...

This sacred site was one of the greatest Mayan centres of the Yucatán peninsula. Throughout its nearly 1,000-year history, different peoples have left their mark on the city. The Maya and Toltec ...

Abstract: This paper proposed a circularly polarized multi-beam antenna. This antenna is based on a substrate integrated waveguide (SIW) pillbox beamforming network (BFN). The proposed antenna is ...

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