Efficient metasurface for electromagnetic energy harvesting with high capture efficiency and a wide range of incident angles by Abdulrahman Ahmed Ghaleb Amer, Abdulrahman Ahmed Ghaleb Amer, Sapuan, Syarfa Zahirah, Adel Y. I. Ashyap, Adel Y. I. Ashyap

“…The proposed MS structure is comprised of an ensemble of electric ring resonator (ERR) array. The MS’s impedance is engineered to match free space, so that the incident electromagnetic (EM) power is efficiently captured with minimal reflection and delivered to the optimal resistor load through an optimally positioned metallic-via. …”
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Efficient metasurface for electromagnetic energy harvesting with high capture efficiency and a wide range of incident angles by Ahmed Ghaleb Amer, Abdulrahman, Sapuan, Syarfa Zahirah, Adel Y. I. Ashyap, Adel Y. I. Ashyap

“…The proposed MS structure is comprised of an ensemble of electric ring resonator (ERR) array. The MS’s impedance is engineered to match free space, so that the incident electromagnetic (EM) power is efficiently captured with minimal reflection and delivered to the optimal resistor load through an optimally positioned metallic-via. …”
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Efficient metasurface for electromagnetic energy harvesting with high capture efficiency and a wide range of incident angles by Abdulrahman Ahmed Ghaleb Amer, Abdulrahman Ahmed Ghaleb Amer, Sapuan, Syarfa Zahirah, Adel Y. I. Ashyap, Adel Y. I. Ashyap

“…The proposed MS structure is comprised of an ensemble of electric ring resonator (ERR) array. The MS’s impedance is engineered to match free space, so that the incident electromagnetic (EM) power is efficiently captured with minimal reflection and delivered to the optimal resistor load through an optimally positioned metallic-via. …”
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High selectivity microwave bandpass filter with a wide upper stopband by Riaz, Muhammad, Virdee, Bal Singh

“…The filter initially proposed consists of electromagnetically coupled C-shaped open-ring resonators whose feedlines are loaded with inductive spiral shaped open-circuited stubs that are strategically located along the feedlines in order to introduce transmission zeros in the filter’s stopband response. …”
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Power Factor Correction – A Simulation Approach by Che Ros, Ziana, Nordin, Muhammad Faris, Anuar, Muhammad Abdullah, Abdul Razak, Muhammad Hazim

“…The main focus of this study is to indicate how much Farad is needed to improve power factor in a selected Electrical Power System (EPS), to estimate the Capacitor bank location that need to be installed in the system on Ring Main Unit (RMU) by using POWERWORLD Software for beginners.…”
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A microstrip quasi-elliptic bandpass filter implemented using stub loaded resonators by Riaz, Muhammad, Virdee, Bal Singh

“…A highly selective microstrip bandpass filter consists of electromagnetically coupled U-shaped open ring resonators is presented in this paper. The resonators are directly loaded with open-circuited inductive stubs and the feed-lines are interdigital coupled to the resonators. …”
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An activity-based integrated land-use transport model for urban spatial distribution simulation by Niu, Fangqu, Li, Jun

“…However, there is also significant population density increase along the 6th ring road, indicating the relocation trend of the residents and businesses to the outskirts. …”
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De Novo nucleic acids: a review of synthetic alternatives to DNA and RNA that could act as bio-information storage molecules by Devine, Kevin G., Jheeta, Sohan

“…But just what is it about their structures; an aromatic heterocyclic base appended to a (five-atom ring) sugar-phosphate backbone that enables them to carry out these functions with such high fidelity? …”
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Antibacterial polysulfone membranes: the effect of eugenol and zinc oxide as additives by Harun, Zawati, Yusof, Khairul Nazri, Yunos, Muhamad Zaini, Shohur, Muhamad Fikri, Jamalludin, Mohd Riduan

“…Besides that, the inhibition ring of membrane was improved 200% when both zinc oxide and eugenol were added in polysulfone membrane, Based on the findings, we can conclude that membrane with a combination of zinc oxide and eugenol has a huge potential membrane for bacterial removal.…”
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Linerboard made from Soda-Anthraquinone (Soda-AQ) treated coconut coir fiber and effect of pulp beating by Main, Nor Mazlana, A. Talib, Rosnita, Ibrahim, Rushdan, Abdul Rahman, Russly, Mohamed, Ainun Zuriyati

“…Based on its burst strength of 4.57 kPa.m2/g and ring crush test of 1.76 Nm2/g, which complies with the minimum requirement of the industry standard, coir fiber can be considered an alternative fiber source for linerboard production.…”
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Chitosan-zinc oxide composite for active food packaging Applications by Abdul Razak, S.R., Basri, Hatijah

“…From the tensile test, C-ZnO0.5 and C-ZnO1.0 films were found to be much superior by 1.5 times and 2.5 times respectively compared to bare chitosan film. Larger inhibition ring (by 47%) was exhibited by C-ZnO1.0 as compared to C-ZnO0.5 when tested against S.aureus. …”
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Investigation and development of a novel metrology standard for the measurement of relative intensity noise and frequency chirp of DFB lasers in optical networks by Cox, Michael Christopher

“…This is enforced further by the nonplanar ring oscillator (NPRO) technology providing superior line width stability. …”
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Semi fractal three leaf clover-shaped CPW antenna for triple band operation by Naser-Moghadasi, Mohammad, Sadeghzadeh, Ramazan Ali, Khajeh Mohammad Lou, Reza, Virdee, Bal Singh, Aribi, Tohid

“…The realization of the triband antenna was achieved by using two semi fractal ring patches resembling the shape of a three leaf clover, and by introducing a pair of symmetrical L-shaped slits in its ground plane. …”
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Study on Acoustic Emission Characteristics and Damage Evolution Law of Shale under Uniaxial Compression by Wu, Wenjie, Chan, Chee-Ming, Gu, Yilei, Su, Xiaopeng

“…Considering the initial damage to the rock, the damage factor D initially decreases and then increases with increasing cumulative ring-down counts rather than exhibiting a monotonic increase. …”
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A multi-beam circularly polarised Fabry-Perot resonator antenna array using SIW for X-Band applications by Khajeh Mohammad Lou, Reza, Aribi, Tohid, Sedghi, Tohid, Virdee, Bal Singh

“…This paper presents a novel multi-layer beamforming antenna array based on Fabry-Perot resonator that is excited by a high performance compact 4 × 4 Butler matrix using substrate integrated waveguide SIW) technology for X-band application. The adapted ring patch antenna is fed through the aperture on a rectangular SIW cavity and forms the radiating element in the antenna array. …”
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Development of ultrasonic tomographic instrumentation system for monitoring flaws on pipeline by Nordin, Norsuhadat

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In search of a new class of stable nitroxide: synthesis and reactivity of a peri-substituted N,N-bissulfonylhydroxylamine by Patel, Bhaven, Carlisle, Julie, Bottle, Steven E., Hanson, Graeme R., Kariuki, Benson M., Male, Louise, McMurtrie, John C., Spencer, Neil, Grainger, Richard S.

“…In an approach to stabilising a bissulfonylnitroxide radical, the cyclic, peri-substituted N,N-bissulfonylhydroxylamine, 2-hydroxynaphtho[1,8-de][1,3,2]dithiazine 1,1,3,3-tetraoxide (1), has been prepared by formal nitrogen insertion into the sulfur–sulfur bond of a sulfinylsulfone, naphtho[1,8-cd][1,2]dithiole 1,1,2-trioxide. The heterocyclic ring of 1 is shown to adopt a sofa conformation by X-ray crystallography, with a pseudo-axial hydroxyl group. …”
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Wideband printed monopole antenna for application in wireless communication systems by Alibakhshikenari, Mohammad, Virdee, Bal Singh, Ali, Abdul, Limiti, Ernesto, See, Chan, Abd-Alhameed, Raed, Falcone, Francisco

“…The impedance bandwidth of the antenna is enhanced with the inclusion of meander-line slots in the patch and four double split-ring resonators on the underside of the radiating patches. …”
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Interaction suppression technique for high-density antenna arrays for mm-wave 5G MIMO systems by Alibakhshikenari, Mohammad, Virdee, Bal Singh, Althuwayb, Ayman Abdulhadi, Falcone, Francisco, Limiti, Ernesto

“…High isolation between adjacent radiation elements was achieved by embedding a crisscrossed decoupling structure comprising slotted microstrip-lines and locating in the ground-plane under each slot a dielectric ring. The proposed periodic array behaves as artificial magnetic conductor (AMC) surfaces as incident waves in the substrate are fully reflected with a near zero degrees reflection phase. …”
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High-gain end-fire bow-tie antenna using artificial dielectric layers by Dadgarpour, Abdolmehdi, Zarghooni, Behnam, Denidni, Tayeb A., Virdee, Bal Singh

“…By loading the antenna with a 2 × 5 array of enhanced end-coupled split-ring (EECSR) unit-cells results in significant enhancement in the antenna gain performance. …”
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