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A comprehensive survey on ‘‘various decoupling mechanisms with focus on metamaterial and metasurface principles applicable to SAR and MIMO antenna systems’’
Published 2020“…Such techniques include the use of defected ground structure (DGS), parasitic or slot element, dielectric resonator antenna (DRA), complementary split-ring resonators (CSRR), decoupling networks, P.I.N or varactor diodes, electromagnetic bandgap (EBG) structures, etc. …”
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Studies of 1,2-naphthoquinone mono-oximato complexes
Published 1991“…The oxidation involved oxidative cleavage of the aromatic ring of catechol by molecular oxygen to give muconic acid anhydride and 2H-pyran-2-one in addition to benzoquinone. …”
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228
Novel narrowband microstrip filters for wireless communications systems
Published 2010“…The various ‘C-shape’ open-loop ring resonators were developed and fabricated, namely ‘Embedded-Square’ and ‘Embedded-Triangle’ resonators, exhibited a quasielliptic function bandpass filter response free from spurii across an ultra-wide bandwidth. …”
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Photonic controlled metasurface for intelligent antenna beam steering applications including 6G mobile communication systems
Published 2023“…The metasurface layer is a lattice pattern of square framed rhombus ring shaped unit-cells that are interconnected by PIN photodiodes. …”
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Studies of complexes derived from 5-acetylamino-1,2-benzoquinone 2-oxime and related ligands
Published 1991“…For all complexes i.r. studies indicate the involvement of the ring CO in bonding. Their electronic spectra show strong absorption in the u.v. region which tails into the visible but d - d transitions have been clearly Identified for Ni(5-Acqo)2.6H20 and Mn(5-Acqo)3 .H20. …”
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“British English is much more prestigious, everybody knows that!”: reproducing and resisting hegemonic language ideologies in Chilean English teacher education
Published 2024“…Linguistic Anthropology: A Reader. 2nd ed. Malden, MA: Blackwell Publishing Ltd. Ministerio Secretaría General de la Presidencia, Ministerio de Educación, Ministerio de Economía, Fomento y Turismo (2014). …”
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