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37921
Prenatal Cytogenetic Findings in 13.466 Cases of High-Risk Pregnant Women in One Laboratory
Published 2013-12-01“…Of sex chromosomal abnormalities, monosomies were the most common abnormality (3.3%). Of structural rearrangements translocations were the most common abnormality (2.3%). …”
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37922
Predictive Model for Deformation of Adjacent Pipelines Caused by Tunnel Boring in Twin-Lane Tunnels in Soft Ground Layers
Published 2025-01-01“…To create a discretized prediction model for the deformation of an adjacent pipeline, the pipeline structure is discretized, the differential equations governing the longitudinal deformation of the pipeline are inferred, and the displacement expressions and the solution methods of the virtual nodes of each unit are provided after discretization. …”
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37923
Damage Mechanism of Mineral Admixture Concrete under Marine Corrosion and Freezing-Thawing Environment
Published 2020-01-01“…In this study, the uniaxial compressive strength (UCS), chloride ion concentration (CIC), microstructure, and pore structure of admixture concretes were tested to study the mechanical properties and microscopic characteristics under the single marine corrosion, the single freezing-thawing, and the coupled marine corrosion and freezing-thawing conditions. …”
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37924
A Dual-Port Dual-Wideband Dual-Sense Circularly Polarized DRA With a Novel Feeding Mechanism
Published 2025-01-01“…The proposed antenna is composed of a cylinder DR, a ground plane with a double cross-slot and two rectangle slots, and a novel feeding structure. In the lower band, the DR is fed by two vertical metal probes, and the antenna can be fed by a novel feeding method in the upper band. …”
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37925
A Nonstationary Daily and Hourly Analysis of the Extreme Rainfall Frequency Considering Climate Teleconnection in Coastal Cities of the United States
Published 2025-01-01“…The implications for the time-varying design rainfall in coastal areas are considered, whether this corresponds to a structural design or the duration of a contract for a financial instrument for risk securitization. …”
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37926
Ball-milled synthesis of biochar-MOF nanocomposite for the concurrent recovery of mixed contaminants from wastewater
Published 2025-01-01“…SEM-EDS confirmed the successful synthesis, while X-ray diffraction (XRD) and thermogravimetric analysis (TGA) indicated an amorphous structure with thermal stability up to 300 °C. FTIR and XPS analyses identified functional groups such as C=C, C-H, –COOH, C=O, –OH, C-O, and Fe-BTC. …”
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37927
Evaluation of the Zirconium Hydride Morphology at the Flaws in the CANDU Pressure Tube Using a Novel Metric
Published 2025-01-01“…This work’s findings are beneficial for the investigation of CANDU fuel channels’ structural integrity.…”
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37928
Tungsten impurity reduction by ICRH in a high power injection and high performance H-mode discharge on EAST
Published 2025-01-01“…Under this condition, the intensity of W unresolved transition array spectral structure in the region of 45–70 Ǻ (which is composed of W ^27+ -W ^45+ line emissions) and W ^44+ density through spectroscopy in the Extreme Ultraviolet region decreases markedly. …”
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37929
Study of Chemical Intermediates by Means of ATR-IR Spectroscopy and Hybrid Hard- and Soft-Modelling Multivariate Curve Resolution-Alternating Least Squares
Published 2017-01-01“…The aim of this study is to investigate the ability of online attenuated total reflection infrared (ATR-IR) spectroscopy combined with the novel approach of hybrid hard- and soft-modelling multivariate curve resolution-alternating least squares (HS-MCR) analysis to monitor and detect changes in structural properties of compound during 3,5-diamino-1,2,4-triazole (DAT) synthesis processes. …”
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37930
A Miniaturized Broadband and High Gain Planar Vivaldi Antenna for Future Wireless Communication Applications
Published 2021-01-01“…The proposed antenna structure consists of an aperture tapered profile and cavity stub fed with a simple 50 Ω strip line feeding network. …”
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37931
Similarities and Differences between ICME-driven Shocks Observed by VEX (∼0.72 au) and WIND (∼1.0 au)
Published 2025-01-01“…In each year, the annual medians of the shock angle for ICME-driven shocks at ∼1 au are consistently larger than those at ∼0.72 au, and the annual medians of the magnetic field ratio for events at ∼1 au are slightly smaller than those at ∼0.72 au. Planar magnetic structures (PMSs) downstream of ICME-driven shocks are also analyzed. …”
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37932
Miniaturized Inset-Fed Microstrip Patch Sensor Based on Meander-Line Slot for Water Measurement Applications
Published 2024-12-01“… This article introduces a high-sensitive microstrip-patch sensor-based meander-line slot structure for water measurement applications. The HFSS software tool is employed to design and simulate the proposed system. …”
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37933
Image Transmission Utilizing Amplitude Modulation in Rydberg Atomic Antenna
Published 2024-01-01“…The pixel information of the color image obtained by atomic demodulation realizes the high-fidelity digital color image transmission, with a root mean square error of 4.806, a mean square signal-to-noise ratio of 1.627, a peak signal-to-noise ratio of 29.998 and a structural similarity index of 0.9589. This study establishes an experimental groundwork for the utilization of Rydberg atomic antennas in ultra-wideband wireless communication and measurement.…”
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37934
Bifunctional Electromagnetic Manipulation of Surface Waves Using Metasurfaces Under One Circularly Polarized Incidence
Published 2025-01-01“…Constructed using carefully selected and arranged meta-atoms that possess both structural resonance and a geometric phase, this kind of meta-device can exhibit two distinct SPP manipulation functionalities in both co- and cross-polarized output channels under one CP incidence. …”
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37935
Determination of Land Suitability Criteria for Maize Hybrid in Boalemo Regency Based on Optimum Yield and Selected Land Quality
Published 2023-01-01“…A partial least square of structural equation model (PLS-SEM) with SmartPLS 8.0 was used to select a robust land quality controlling hybrid maize yield, while the boundary line method was used to determine optimum yield and differentiating of land suitability criteria. …”
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37936
An Investigation of Soil Profile Depth Change on Site Response Analysis
Published 2022-01-01“…However, the application of this provision is almost difficult especially for the large span structures, and it requires additional cost. In this context, the soil profile evaluation has been made within the borders of Konak district of İzmir province for soil class "ZF" considering four different depths. …”
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37937
Design and Analysis of Helical Cone Coil Heat Exchanger for Low Grade Heat Recovery
Published 2025-05-01“…These coils feature a secondary fluid flow running in planes parallel to the primary flow within their helical structure. This study focuses on designing and analyzing a shell and helical cone coil heat exchanger, highlighting its ability to reduce unit size compared to a standard shell-and-tube heat exchanger operating under the same thermal load. …”
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37938
Prediction Model of Phosphorus Content at the End Point of Electroslag Remelting Based on MI and XGBoost Algorithms
Published 2025-02-01“…Grid search cross-validation is employed for model structure adjustment and hyperparameter optimization. …”
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37939
Characterization of ZnO nanoparticles synthesized using probiotic Lactiplantibacillus plantarum GP258
Published 2025-01-01“…The experimental outcomes confirmed the presence of hexagonal wurtzite-structured ZnO NPs with an average size of 10 nm. The colloidal system demonstrated excellent stability with a zeta potential of −60 mV. …”
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37940
A multi-band dual-layer encoded microwave absorber with angle selectivity
Published 2025-03-01“…To meet the pressing demands of modern wireless communication systems for controllable, angle-selective, transparent, and multi-band microwave absorbers, the designed absorber consists of upper and lower transparent coded structures with an intermediate air layer.Further analysis of the absorber’s operating principle revealed that under normal incidence conditions, the absorber exhibits four resonant peaks at 13.1 GHz, 25.0 GHz, 33.5 GHz, and 35.6 GHz, with absorption rates exceeding 99.8 %.Ultimately, we fabricated samples and measured their absorption performance within the frequency range of 0–26 GHz under experimental conditions. …”
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