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Investigation of green foamed concrete incorporating palm oil fuel ash and eggshell ash as partial cement replacement
Published 2018“…The effect of partial replacement on the workability was determined by J-ring test, mechanical properties such as, compressive and tensile strengths as well as modulus of elasticity and thermal performance of GFC was determined by thermal conductivity and surface temperature. …”
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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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129
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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130
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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132
Microwave absorber based on biocomposites derived from agricultural wastes with reinforcement of poly lactic acid
Published 2021“…The fibers samples are prepared in 0.3 mm particle size, meanwhile the polymer and biocomposites are in ring shaped forms using mix and blend process and injection moulding. …”
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133
Application of functionally graded materials for severe plastic deformation and smart materials: experimental study and finite element analysis
Published 2012“…The thick�walled pressure vessel was replaced by a system of discrete rectangular cross-section ring elements interconnected along circumferential nodal circles. …”
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134
China's influence on fashion-making in Southeast Asia
Published 2024“…This podcast discusses Ling's research on China’s influence on fashion-making in Southeast Asia, from the fabric supply chain through design and sales; how fashion designers in the region feel about this influence and how these sentiments vary by country; steps Vietnamese designers are taking to highlight Vietnamese characteristics in fashion; how the research fieldwork and methodology are conducted for the study.…”
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135
Characterization of ink-based phantoms with deep networks and photoacoustic method
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136
Channel selection strategies for co-existence between wimax and wifi
Published 2009Get full text
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