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Design and Optimization of Stacked Wideband On-Body Antenna with Parasitic Elements and Defected Ground Structure for Biomedical Applications Using SB-SADEA Method
Published 2025-01-01“…By using an AI-driven design approach, a self-adaptive Bayesian neural network surrogate-model-assisted differential evolution for antenna optimization (SB-SADEA) method to be specific, and a stacked structure having parasitic elements and a defected ground structure with 27 tuneable design parameters, the simulated impedance bandwidth of the on-body antenna was successfully enhanced from 150 MHz to 1.3 GHz, while employing a single and simplified body model in the simulation process. …”
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Research on load reduction and rockburst prevention technology in areas with square composite structures of extra-thick coal seams under strong impact
Published 2025-04-01“…Through a combination of theoretical analysis and field measurements, the spatiotemporal evolution characteristics of microseismic events in the square composite structure area were investigated, and the mechanism of rockburst induction was explained. …”
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Optical soliton perturbation with complex ginzburg–landau equation having multiplicative white noise and nine forms of self–phase modulation structures
Published 2025-12-01“…The study focuses on nine distinct forms of self-phase modulation structures, each exhibiting unique nonlinear characteristics and dispersion properties. …”
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Bimodal grain structure, phase transformation, and mechanical properties of a Mg-Gd-Y-Zn-Zr alloy during hot extrusion
Published 2024-11-01“…In this study, we investigated the evolution of grain structures and second phases of a Mg-9.5Gd-4Y–2Zn-0.3Zr alloy during two-stage deformation that took place in the metal during hot extrusion, as well as their effects on its mechanical properties. …”
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Investigating the role of basement structures in controlling facies characteristics, depositional models, and diagenetic alterations of the Sarvak Formation in the eastern and west...
Published 2024-06-01“…Depending on the presence or absence of palaeohighs (such as salt domes and horst structures), the number of these palaeoexposure surfaces and the intensity of the associated diagenetic alterations vary across different parts of the Zagros region.The four main stages of diagenetic evolution of the Khatiyah and Mishrif members of the Sarvak Formation are as follows:Stage 1: Marine transgression, sedimentation, and marine diagenesis of the Khatiyah Member in the early to mid-Cenomanian.Stage 2: Highstand of sea level, sedimentation, and marine diagenesis of the Mishrif Member in the mid- to late-Cenomanian.Stage 3: Relative sea level fall, emergence of the platform, exposure and meteoric diagenesis of the Mishrif Member at the Cenomanian-Turonian boundary.Stage 4: Deposition of shale facies in a lacustrine environment (Laffan Shale) during this stage.The diagenetic processes of the Sarvak Formation can be divided into two categories: 1) Diagenetic processes related to discontinuities, and 2) Diagenetic processes unrelated to discontinuities. …”
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On the evolution of the model of shifting mode of reproduction
Published 2018-12-01“…Objective: to analyze the evolution of shifting mode of reproduction (SMR) models, to construct the SMR-3 model. …”
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Community Characteristics and Population Dynamics of an Endangered Rhododendron nymphaeoides
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Seascape Genomics of the Smooth Hammerhead Shark Sphyrna zygaena Reveals Regional Adaptive Clinal Variation
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Evolution of Massive Population III Stars
Published 2014-12-01“…While the evolution of massive stars in the local Universe is dominated by mass-loss, the evolution of massive Population III stars should be dominated by rotation. …”
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EVOLUTION OF KNOWLEDGE DEVELOPMENT IN HUMAN RESUSCITATION
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Multi-directional disturbance effect of shear mechanical behaviors and fracturing mechanisms of rockmass intermittent structural plane under true triaxial shear test
Published 2025-06-01“…Therefore, this study carried out true triaxial shear tests on limestone intermittent structural planes under uni-, bi- and tri-directional coupling disturbances to analyze its mechanical behavior, fracture evolution mechanism and precursor characteristics. …”
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Evolution of clinical and genetic concepts of cardiomyopathies
Published 2025-03-01Get full text
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