-
701
Simulation of Novel NEMS Contact Switch Using MRTD with Alterable Steps
Published 2010-01-01“…In order to apply Radio Frequency Micro-nano-Electro-Mechanical System (MEMS/NEMS) technologies to produce miniature, high isolation, low insertion loss, good linear characteristic, and low power consumption microwave switches, we present a novel NEMS switch with nanoscaling in this paper through the analysis of electrics and mechanics of the RF switch. …”
Get full text
Article -
702
All-dielectric carpet cloaks with three-dimensional anisotropy control
Published 2023-06-01“…Realizable anisotropic permittivities of cubic and rectangular unit cells are numerically studied based on the relative permittivity and loss tangent of ɛ r = 2.9 and tan δ = 0.02 of ultra-violet curing resin measured at the microwave frequency. It is shown that the unit cell has little frequency dependence even with the anisotropy in the low frequency range where the effective medium approximation is valid. …”
Get full text
Article -
703
High K Low Loss Dielectrics Co-Fireable with LTCC
Published 2002-01-01“…The majority of commercially available microwave dielectrics show increasing firing temperatures >200 °C which make them incompatible with Ag metallizations or show high dielectric loss which limit their usage in RF wireless applications. …”
Get full text
Article -
704
Effect of Tetrahydrofuran Extraction on Surface Functional Groups of Coking Coal and Its Wettability
Published 2019-01-01“…Coking coal was extracted with tetrahydrofuran solvent using ultrasonic and microwave-assisted method at 50°C and atmospheric pressure. …”
Get full text
Article -
705
Realization of Arithmetic Logic Units Using Electro-Optic Microring Resonators in Photonic Circuits
Published 2025-01-01Get full text
Article -
706
Catalytic pathways for N-arylation of benzimidazoles: A comprehensive review
Published 2025-01-01“…Metal-free techniques offer ecologically friendly options, and multicomponent reactions provide the benefit of convergent synthesis. Microwave-assisted reactions and photocatalyzed procedures have improved the efficiency, selectivity, and sustainability of N-arylation reactions. …”
Get full text
Article -
707
Weather Features Associated with Aircraft Icing Conditions: A Case Study
Published 2014-01-01“…Observations in this case were from a MP-3000A microwave radiometric profiler, which acquired atmospheric temperature and humidity profiles continuously every 2.5 minutes. …”
Get full text
Article -
708
Design of Low-Cost Full W-Band 8th Harmonic Mixers for Frequency Extension of Spectrum Analyzer
Published 2023-01-01“…High-order harmonic mixer is popular for frequency extension of spectrum analyzer (SA) from microwave to millimeter-wave or even terahertz band. …”
Get full text
Article -
709
Correlations of Calcination Temperature with the Catalytic Properties of CuFe2O4 for the Synthesis of Green Fuels
Published 2025-02-01“…Herein, cubic CuFe2O4 nanoparticles are synthetic using a microwave‐assisted approach. The effect of post‐synthetic calcination on particle morphology, crystal structure, and inherent properties such as optical bandgap, magnetic moment, or degree of inversion is investigated. …”
Get full text
Article -
710
Automatic Measurement Techniques for Compositional Properties of Fresh Concrete: Focus on Water/Cement Ratio and Air Content
Published 2024-12-01“…The research compared microwave absorption (MWA) and time-domain reflectometry (TDR) techniques for w/c ratio measurement as well as acoustic wave propagation (AWP) technique for air content measurement, against the reference testing methods. …”
Get full text
Article -
711
Demonstration of two qubit entangling gates in a 2D ring resonator based coupler architecture
Published 2025-02-01“…We implement an all-microwave controlled phase (CPHASE) gate between a pair of qubits with a gate time of 196 ns and demonstrate a two-qubit Bell state with a measured state fidelity of $$F = 0.88$$ . …”
Get full text
Article -
712
Ultrasound imaging of the perithyroid fascial space: a comparative analysis with anatomical correlations
Published 2025-02-01“…A retrospective review was conducted on data from 2390 patients (631 males and 1759 females, median age 46 years, 25–75% interquartile range 26–69 years) who underwent microwave ablation for thyroid tumors, including 1436 benign nodules and 954 papillary thyroid carcinomas. …”
Get full text
Article -
713
Quantum dot nanomaterials: Empowering advances in optoelectronic devices
Published 2025-03-01“…Novel synthesis strategies, such as nonorganometallic approaches and microwave-based procedures, are addressing these problems by strengthening safety, reducing expenses, and improving the photostability of quantum dots. …”
Get full text
Article -
714
Investigation of a New Handover Approach in LTE and WiMAX
Published 2014-01-01“…In this paper, several algorithms are proposed to improve mobile station performance and seamless mobility across the long-term evolution (LTE) and Worldwide Interoperability for Microwave Access (WiMAX) technologies, along with a minimum number of redundant handovers. …”
Get full text
Article -
715
Continuously Frequency-Tunable Horn Filtennas Based on Dual-Post Resonators
Published 2019-01-01“…This work reports the concept and development of two mechanically frequency-tunable horn filtennas for microwave and millimeter-waves. Our design approach relies on the integration of a horn antenna with a mechanically tunable filter based on dual-post resonators. …”
Get full text
Article -
716
Effect of cooking processes on tilapia aroma and potential umami perception
Published 2023-01-01“…To promote pleasant odorants by thermal cooking processes, tilapia fillets were cooked in different ways (roasting, microwave-heating, boiling and steaming). Their aroma profiles were analysed with special focus on off-notes and umami-enhancing odorants by principal component analysis, and correlated with the heating time, colour, moisture and water activity by partial least squares regression analysis. …”
Get full text
Article -
717
Synthesis of CdS Sensitized TiO2 Photocatalysts: Methylene Blue Adsorption and Enhanced Photocatalytic Activities
Published 2016-01-01“…A series of CdS/TiO2 nanocomposites with different Cd to Ti molar ratio were synthesized from P25-TiO2 nanopowder using microwave-assisted hydrothermal method. The as-produced powders were characterized by XRD, electron microscopy, EDX, and UV-Vis diffuse reflectance spectroscopy. …”
Get full text
Article -
718
In Silico Screening, Synthesis and In Vitro Evaluation of Some Quinazolinone and Pyridine Derivatives as Dihydrofolate Reductase Inhibitors for Anticancer Activity
Published 2009-01-01“…Synthesis of the molecules was performed using microwave assisted synthesis. The structures of these molecules were elucidated by IR and 1H-NMR. …”
Get full text
Article -
719
The methods of treatment of atrial fibrillation in patients with valvular heart disease
Published 2019-03-01“…The efficiency of surgical ablation in valvular atrial fibrillation is discussed, i.e. radiofrequency ablation, laser ablation, microwave ablation, their efficiency in addition to surgical treatment. …”
Get full text
Article -
720
Assessment of lead and cadmium exposure through olive and corn oil consumption in Gonbad-Kavus, north of Iran: A public health risk analysis
Published 2025-06-01“…This study assessed their levels in commercial and traditional olive and corn oils from Gonbad-Kavus City using graphite furnace atomic absorption spectrometry after microwave digestion. Hazard Quotient (HQ) and Hazard Index (HI) were calculated. …”
Get full text
Article