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2661
Analysis of a Compact Wideband Slotted Antenna for Ku Band Applications
Published 2014-01-01“…It is apparent from the measured antenna parameters that the proposed antenna achieved almost stable variation of radiation pattern over the entire operational band with 1380 MHz of -10 dB return loss bandwidth. …”
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2662
A Wideband Circularly Polarized Dielectric Resonator Antenna Using Inverse f-Shaped Slot Excitation with Parasitic Metal Structure
Published 2022-01-01“…The orthogonal working mode of the DRA is excited by the inverse f-shaped slot coupled to the microstrip, thereby obtaining circularly polarized radiation. The impedance bandwidth and axial ratio bandwidth of the antenna are improved by optimizing the structure of the inverse f-shaped slot and the shape and size of curved parasitic metal blocks, and finally, a circularly polarized dielectric resonator antenna with significant bandwidth advantages is obtained. …”
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2663
Enhanced Solar Photoelectrochemical Conversion Efficiency of ZnO:Cu Electrodes for Water-Splitting Application
Published 2013-01-01“…The doped photoanodes displayed 7-time enhanced conversion efficiencies with respect to their undoped counterpart, as estimated from the photocurrents generated under simulated solar radiation. This is the highest enhancement in the solar conversion efficiency reported so far for the Cu-doped ZnO. …”
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2664
Compact and Multiband MIMO Dielectric Resonator Antenna for Automotive LTE Communications
Published 2018-01-01“…Finally, to improve both the quality and reliability of the wireless link, two DRAs are placed within a small area to reconfigure their radiation patterns on each frequency band. Measured performances, which are in good agreement with the simulated results, are used to validate if the antenna design is suitable for LTE MIMO systems to be integrated on an automotive. …”
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2665
Imaging in connective tissue disease-associated interstitial lung disease
Published 2021-01-01“…LUS could be a useful tool in the early screening of younger patients at risk of ILD and in minimizing cumulative radiation exposure. High-resolution computed tomography (HRCT) remains the modality of choice in characterization, assessment of disease severity/progression, and response to therapy. …”
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2666
Anticancer Role of PPARγ Agonists in Hematological Malignancies Found in the Vasculature, Marrow, and Eyes
Published 2010-01-01“…The use of targeted cancer therapies in combination with conventional chemotherapeutic agents and/or radiation treatment has increased overall survival of cancer patients. …”
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2667
Analysis of Natural Aging Behavior of Asphalt Binder in Cold and Arid Region
Published 2022-01-01“…However, the strong UV radiation was a great challenge for asphalt pavement in Northwest China. …”
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2668
Tracheoesophageal voice prosthesis management in laryngectomy patients during the COVID-19 pandemic
Published 2020-08-01Get full text
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2669
Ferroptosis induced by environmental pollutants and its health implications
Published 2025-01-01“…The targeting of ferroptosis has been demonstrated to be an effective means of ameliorating the health damage caused by PM2.5, organic and inorganic pollutants, and ionizing radiation. This review begins by providing a summary of the most recent and important advances in ferroptosis. …”
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2670
TiO2 thin film synthesis from complex precursors by CVD, its physical and photocatalytic properties
Published 2003-01-01“…Structural information on TiO2 thin films was obtained from synchrotron radiation experiments. High-resolution grazing incidence X-ray diffraction (GIXRD) experiments were performed at the high-resolution powder diffractometer at the DESY/HASYLAB beamline B2 (Hamburg, Germany). …”
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2671
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2672
Modelling of quantum yields in photocatalytic membrane reactors immobilising titanium dioxide
Published 2006-01-01“…By having thus established that quantum yields of photomineralisation Φ∞ are independent of radiation wavelength, within the absorption range of semiconductor, but depend on radiant power, such a dependency was experimentally investigated. …”
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2673
Evapotranspiration changes of reference Crop during the growth stages of apple tree in Urmia and Semirom cities
Published 2023-09-01“…Then, minimum temperature data, maximum temperature, relative humidity, wind speed and radiation, potential evapotranspiration have been calculated using Penman- Monteith FAO method, which is more accurate than other models, and using the non-parametric Man-Kendall test and the Sen’s Slope estimator nonparametric Method in the confidence range, 95% evapotranspiration was determined. …”
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2674
A New Dual Circularly Polarized Feed Employing a Dielectric Cylinder-Loaded Circular Waveguide Open End Fed by Crossed Dipoles
Published 2016-01-01“…This paper presents a new dual circularly polarized feed that provides good axial ratio over wide angles and low cross-polarized radiation in backward direction. A circular waveguide open end is fed with two orthogonally polarized waves in phase quadrature by a pair of printed crossed dipoles and a compact connectorized quadrature hybrid coupler. …”
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2675
Dynamically reconfigurable acoustofluidic metasurface for subwavelength particle manipulation and assembly
Published 2025-01-01“…By harnessing acoustic-structure interaction in a passive membrane resonator array, we generate localized standing acoustic waves that can be reconfigured in real-time. The resulting radiation force allows for subwavelength manipulation and patterning of particles on the metasurface at individual and collective scales, with actuation frequencies below 2 MHz. …”
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2676
Structural Dynamics Analysis and Optimization of an Oil-Free Piston Air Compressor Based on Vibration and Noise Characteristics
Published 2024-12-01“…The simulation results of radiated noise show that the proposed design scheme can effectively reduce vibration and noise, with a maximum noise reduction rate of 7.45%.…”
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2677
A Novel Cellular Handset Design for an Enhanced Antenna Performance and a Reduced SAR in the Human Head
Published 2008-01-01“…The specific absorption rates (SARs) are determined computationally in the specific anthropomorphic mannequin (SAM) and anatomically correct model of a human head when exposed to the EM-field radiation of the proposed cellular handset and the handset with top-mounted antenna. …”
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2678
Modification of Superabsorbent Hydrogels for Industrial Wastewater Treatment
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2679
Misleading nomenclature in the IARC Monographs Programme: a straightforward solution to improve accuracy and clarity
Published 2025-02-01“…In addition, the lack of essential information about dosage and context in the IARC carcinogen lists can lead to agents with health benefits under certain conditions (e.g., solar radiation, red meat consumption, approved drugs) being perceived as universally harmful, discouraging beneficial exposures, behaviors, or treatments. …”
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2680
Bone Mineral Density Prediction from CT Image: A Novel Approach using ANN
Published 2023-01-01“…This paper presents an innovative approach for the prediction of BMD incorporating bone architecture that involves no extra cost, time, and exposure to severe radiation. Methods. In this approach, the BMD is predicted using clinical CT scan images taken for other indications based on image processing and artificial neural network (ANN). …”
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