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- Physics 1
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621
Gain Enhancement of a Multiband Resonator Using Defected Ground Surface on Epoxy Woven Glass Material
Published 2014-01-01“…For practical validation, a lab prototype was built on a 1.6 mm thick epoxide woven glass fabric dielectric material which is measured using a vector network analyzer and within an anechoic chamber. …”
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622
Effect of the Application of Cold Plasma Energy on the Inactivation of Microorganisms, Proteins, and Lipids Deterioration in Adobera Cheese
Published 2022-01-01“…Plasma as a nonthermal inactivation technique has been a current research topic for food preservation, so the objective of this work was to study the effect of plasma energy against microorganisms in Adobera cheese (traditional Mexican cheese) as well as evaluate the possible degradation of lipids and protein. 108 CFU/mL of Escherichia coli ATCC 25922, Salmonella ATCC13076, and Staphylococcus aureus ATCC 6538 were inoculated at 0.5 g of Adobera cheese and were subjected to an energy of 30 volts, in a dielectric barrier discharge reactor (DBDR) at intervals of times 1, 3, 5, 7, 10, and 15 min. …”
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623
Comparative Study of SiO2, Al2O3, and BeO Ultrathin Interfacial Barrier Layers in Si Metal-Oxide-Semiconductor Devices
Published 2012-01-01“…In this paper, we compare the electrical characteristics of inserting an ultrathin interfacial barrier layer such as SiO2, Al2O3, or BeO between the HfO2 gate dielectric and Si substrate in metal oxide semiconductor capacitors (MOSCAPs) and n-channel inversion type metal oxide semiconductor field effect transistors (MOSFETs). …”
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624
Highly Compact GCPW-Fed Multi-Branch Structure Multi-Band Antenna for Wireless Applications
Published 2022-01-01“…In this work, we present a highly compact multi-branch structure multi-band antenna with a grounded coplanar waveguide (GCPW)-fed structure printed on 26 × 13 × 1.6 mm3 sized FR-4 substrate having dielectric constant εr of 4.3 and loss tangent δ of 0.02. …”
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625
A global approach to detecting and characterizing water leakage in a concrete bridge deck: Parametric study to validate an adapted Full-Waveform Inversion method
Published 2025-03-01“…The method is adaptable and capable of reconstructing both the dielectric and geometric parameters of a multilayered structure with any number of layers and unknown parameters using just a few A-scans (up to 10, depending on the number of parameters and layers). …”
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626
Estimation of the Postmortem Duration of Mouse Tissue by Electron Spin Resonance Spectroscopy
Published 2011-01-01“…However, ESR spin trap method is unsuited to analyze weak ESR signals in organs because of water-induced dielectric loss (WIDL). To minimize WIDL occurring in biotissues and to improve detection sensitivity to free radicals in tissues, ESR cuvette was modified and used with 5,5-dimethtyl-1-pyrroline N-oxide (DMPO). …”
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627
TWO-FREQUENCY CROSS-SLOT ANTENNA WITH RESONANT COLD ELECTRON BOLOMETERS FOR APPLICATION IN CORE SPACE MISSION
Published 2017-06-01“…The aim of the present paper is the numerical modeling of the two-frequency planar cross-slot antenna designed for operation in the receiving system of the orbital telescope Cosmic Origins Explorer (COrE), developed by the European Space Agency to measure the CMB.The proposed antenna is a planar metal layer on the dielectric substrate, and comprising a set of four slots intersecting each other at right angles. …”
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628
Process-dependent ferroelectric and memristive properties in polycrystalline Ca:HfO2-based devices
Published 2025-01-01“…For pyrolysis temperature of 300°C, the annealed samples are ferroelectric while for 400°C a dielectric behavior is observed. For each case, we found a distinct, forming-free, memristive response. …”
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629
Effect of plasma assisted combustion on emissions of a premixed nitrous oxide fuel blend
Published 2025-03-01“…This study sought to utilize Nanosecond Pulsed Dielectric Barrier Discharge plasma as an emission control mechanism as not only has it found success as a pollution control mechanism, but also as a combustion enhancement one. …”
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630
Radar Characterization of Salt Layers in Europa's Ice Shell as a Window Into Critical Ice‐Ocean Exchange Processes
Published 2025-01-01“…Both missions are equipped with ice‐penetrating radars which will transmit radio waves into the subsurface, recording reflections from interfaces defined by contrasts in ice shell dielectric properties. Assuming an MgSO4 ocean, we show that salt layers, formed through the freezing of subsurface liquid water reservoirs, can be detected by ice‐penetrating radar instruments on Europa Clipper and JUICE. …”
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631
Classification of RTV-coated porcelain insulator condition under different profiles and levels of pollution
Published 2024-10-01“…The criteria, which are the flashover voltage (x1), fifth to third harmonics of leakage current (x2), maximum electric field (x3), total harmonic index (x4), insulation resistance (x5) and dielectric loss (x6), were proposed for evaluating the insulator’s string condition. …”
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632
Mathematical modeling of service life of cables polymer insulation
Published 2020-12-01“…In real conditions, the service life of the listed types of insulation can be different due to their dielectric and design features.…”
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633
An Omni-Directional Wideband Patch Antenna with Parasitic Elements for Sub-6 GHz Band Applications
Published 2022-01-01“…Rogers RT 5880 is used as the dielectric substrate tier. The simulated operating band of the MPA ranges from 2.67 GHz to 4.20 GHz, covering the N77 and N78 bands with a centre operating frequency of 3.29 GHz. …”
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634
A Free-Space-Based Model for Predicting Peanut Moisture Content during Natural Drying
Published 2022-01-01“…The Shandong peanut Luhua 22 was used to examine the effects of varying moisture content, bulk density, and porosity on the relative permittivity of the peanut at a signal frequency of 5.8 GHz. The peanut dielectric constant, porosity, and bulk density were used as inputs and peanut kernel moisture as outputs. …”
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635
Influence of Electrodes Configuration on Metallized Film Capacitor Performance Metrics
Published 2025-02-01“…The breakdown strength of polymer films with various metallization thickness was determined using common dielectric testing methodology. We found out that the breakdown strength follows Weibull distribution and slightly depends on vacuum sputtered metal thickness, unlike previous studies results. …”
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636
Effect of Microchannel Depth on Subcooled Flow Boiling Instability and Heat Transfer
Published 2025-01-01“…Experiments are conducted using dielectric water boiling in multiple parallel microchannels with mass fluxes of 220 and 320 kg/m²s and wall heat fluxes ranging from 25 kW/m² to 338 kW/m². …”
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637
Moiré band structure engineering using a twisted boron nitride substrate
Published 2025-01-01“…Additionally, we demonstrate the tunability of the moiré potential by altering the dielectric thickness underneath the twisted BN. Finally, we find that near-60°-twisted bilayer BN also leads to moiré band features in bilayer graphene, which may come from the in-plane piezoelectric effect or out-of-plane corrugation effect. …”
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638
Multiferroic and Optical Properties of La0.05Li0.85NbO3 and LiNbO3 Nanocrystals
Published 2018-01-01“…Moreover, the uses of magnetic oxides in electronic technology have become so important due to the miniaturization of devices and magnetic materials with dielectric properties or vice versa being required for inductors, information storage, thin films for high-density computer memories, microwave antireflection coatings, and permanent magnets for automobile ignitions among others. …”
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639
Large exciton binding energy in a bulk van der Waals magnet from quasi-1D electronic localization
Published 2025-01-01“…Utilizing state-of-the-art angle-resolved photoemission spectroscopy and self-consistent ab-initio GW calculations, we present direct spectroscopic evidence supporting electronic localization and weak dielectric screening as mechanisms contributing to the amplified exciton binding energy. …”
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640
Microstructural and Optical Characterization of Heterostructures of ZnS/CdS and CdS/ZnS Synthesized by Chemical Bath Deposition Method
Published 2020-01-01“…The CdS/glass and CdS/ZnS thin films have more imaginary dielectric components than the real part. The optical conductivity of the single layer and heterojunction films is in the order of 1015 1/s. …”
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