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Article
Dispersion characteristics of the complex permeability-permittivity of Ni-Zn ferrite-epoxy composites
The effects of volume fraction and particle size of ferrite on the electric and magnetic properties of epoxy composites containing Ni-Zn ferrite were investigated. The composites were prepared by the cement mi...
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Article
Ferrite Polymer Composite for Improving the Electromagnetic Compatibility of Semiconductor Packaging
The complex permittivity and permeability of ferrite-filled polymer composites were studied at 50 MHz to 1 GHz, and their effects on the electromagnetic compatibility (EMC) of an integrated circuit (IC) packag...
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Article
Metabolomic study of urinary polyamines in rat exposed to 915 MHz radiofrequency identification signal
Metabolomic analysis of urinary polyamines (PAs) from rat exposed to 915 MHz radiofrequency identification (RFID) signal for 8 h/day for 2 weeks was performed by gas chromatography–mass spectrometry as N-ethoxyca...
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Article
Open AccessMultiplexed Cassegrain Reflector Antenna for Simultaneous Generation of Three Orbital Angular Momentum (OAM) Modes
A multiplexed Cassegrain reflector antenna with a 2 × 2 open-ended rectangular waveguide (OERW) matrix feed and an orbital angular momentum (OAM) mode mux is proposed for the simultaneous generation of three O...
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Article
Open AccessOrbital Angular Momentum (OAM) Antennas via Mode Combining and Canceling in Near-field
Orbital angular momentum (OAM) mode combining and canceling in the near-field was investigated using a Cassegrain dual-reflectarray antenna composed of multiple microstrip patches on the main and sub-reflectar...
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Article
Numerical Study of Maximum Peak Spatial SAR Reduction in a Mobile Phone
The government regulates specific absorption rate (SAR) levels of mobile phones and beyond that limit, mobile phones are not available on the market. The SAR measurement for a specific anthropomorphic mannequi...
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Article
Open AccessActivation of matrix metalloproteinases and FoxO3a in HaCaT keratinocytes by radiofrequency electromagnetic field exposure
As the skin is the largest body organ and critically serves as a barrier, it is frequently exposed and could be physiologically affected by radiofrequency electromagnetic field (RF-EMF) exposure. In this study...