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14381
Purification of arsenic-contaminated drinking water by Fe-Al-CO3 layered double hydroxide derived from secondary aluminum dross: adsorption and stabilization studies
Published 2025-01-01“…The characterization tests revealed that the synthesized Fe-Al-LDH had an interlayer space of 7.5 Å, a specific surface area of 145 m2/g, and a pore volume of 0.57 cm3/g. …”
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14382
Chaotic Puma Optimizer Algorithm for controlling wheeled mobile robots
Published 2025-03-01“…The control of wheeled mobile robots plays a crucial role in many fields, including automation, logistics, security, and even space exploration. This paper presents a significant improvement in the control of wheeled mobile robots based on an enhanced version of the Puma optimization algorithm by integrating chaotic maps in both optimization phases, exploration and exploitation. …”
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14383
Enhanced Three-Phase Shunt Active Power Filter Utilizing an Adaptive Frequency Proportional-Integral–Resonant Controller and a Sensorless Voltage Method
Published 2024-12-01“…Validation of the frequency adaptive control scheme through MATLAB/Simulink simulations and real-time experiments on a dSPACE (DS1202) platform demonstrates significant improvements in harmonic compensation, energy efficiency, and system stability across varying grid frequencies. …”
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14384
A chaotic bursting-spiking transition in a pancreatic beta-cells system: observation of an interior glucose-induced crisis
Published 2017-07-01“…Using symbolic dynamics, we are able to accurately compute the points of a curve representing the transition between the bursting and spiking regimes in a biophysical meaningfully parameter space. The analysis of the chaotic interior crisis is complemented by means of topological invariants with the computation of the topological entropy and the maximum Lyapunov exponent. …”
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14385
Salinity and Sugar Content Detection by Wideband Microwave–Based Patch Antenna Sensor
Published 2025-01-01“…In salt and sugar content detection, the sensor operates at 3.50 GHz, 5.80 GHz, and 9.30 GHz, where the reflection coefficients (S11) are −19 dB, −30 dB, and −19.50 dB, respectively, in the free space. The reflection coefficient gradually reduces when the percentages of salt and sugar increase as the dielectric constants of the solution decrease. …”
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14386
RELEVANT ASPECTS REGARDING THE EUROPEAN UNION INDEPENDENCE ON ENERGY IMPORTS
Published 2024-12-01“…We had in mind that, based on the calculated indicators, we would make comparisons in time and space. Following the study we can conclude that, although natural gas imports from Russia decreased from 45% in 2021 to 15% in 2023, as a result of the measures adopted at the EU level, the dependence on imports from Russia was only changed to dependence on imports from other countries, playing a role with Norway. …”
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14387
Factors influencing the integration of planetary health topics into undergraduate medical education in Ireland: a qualitative study of medical educator perspectives
Published 2023-01-01“…Braun and Clarke’s thematic analysis was used to analyse the findings.Results Barriers to integration include: a lack of curricular space, a perceived lack of awareness among students and educators and a potential lack of knowledge among educators and senior management in relation to these issues. …”
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14388
Teaching activity in the digital environment of the university
Published 2022-09-01“…The rapid spread of information technologies that radically influence our life and educational space, the change in the structure of needs and activities as a psychological consequence of the development of information technologies for a person all these factors entail changes in the roles and functions of the teacher in the new digital environment of the university, sharpen questions about their competence, competitiveness, and improving the quality of education in Russian university. …”
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14389
B3LYP Study on Reduction Mechanisms from O2 to H2O at the Catalytic Sites of Fully Reduced and Mixed-Valence Bovine Cytochrome 𝑐 Oxidases
Published 2010-01-01“…One water molecule is added into vacant space between His240 and His290 in the catalytic site. …”
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14390
Iono–Magnonic Reservoir Computing With Chaotic Spin Wave Interference Manipulated by Ion‐Gating
Published 2025-01-01“…Although nonlinear interfered spin‐wave multi‐detection exhibits high nonlinearity and the ability to map in high dimensional feature space, it does not have sufficient performance to process time‐series data precisely. …”
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14391
Constructions of multi-scale 3D digital rocks by associated image segmentation method
Published 2025-01-01“…Digital rocks constructed from micro-CT image at a single-resolution face limitations in accurately identifying the entire pore space and mineral components of tight sandstones, due to their high content of nanoscale pores and clay. …”
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14392
CONCEPTUAL BASES AND IMPLEMENTATION OF THE EU YOUTH POLICY
Published 2016-10-01“…Europe is making significant efforts to create a common space where not only common political institutions and values, but also common future is to be shaped. …”
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14393
LPV Control for the Full Region Operation of a Wind Turbine Integrated with Synchronous Generator
Published 2015-01-01“…The LPV model is derived from the wind turbine state space models extracted by FAST (fatigue, aerodynamics, structural, and turbulence) code linearization at different operating points. …”
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14394
CONSIDERATION OF THE DESTABILIZING FACTORS INFLUENCE FOR INCREASING OF THE MEASUREMENTS ACCURACY OF A RANGEFINDER BASED ON STEREO IMAGES
Published 2017-09-01“…The wide using of digital photography has led to significant progress in the development of the theory and methods of restoring the three-dimensional space picture on base of two-dimensional digital images. …”
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14395
Surface Structures, Particles, and Fibers of Shape-Memory Polymers at Micro-/Nanoscale
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14396
Color Stability of Orthodontic Elastomeric Ligatures in the Oral Environment: A Clinical Trial
Published 2025-01-01“…Photography and CIE L*a*b* color space were used to assess the color change (∆E). …”
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14397
A CaAl2Si2-Type Magnetic Semiconductor (Sr, Na)(Zn, Mn)2Sb2 Isostructural to 122-Type Iron-Based Superconductors
Published 2022-01-01“…A new diluted magnetic semiconductor (Sr, Na)(Zn, Mn)2Sb2 has been successfully synthesized by doping Na and Mn into the parent compound SrZn2Sb2, which has a CaAl2Si2-type crystal structure (space group P3¯m1, No. 164, hP5) isostructural to the 122-type iron-based superconductor CaFe2As2. …”
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14398
Overweight and Obesity, Body Fat, Waist Circumference, and Anemia in Peruvian University Students: A Cross-Sectional Study
Published 2021-01-01“…The university represents a critical space for students in terms of prevalence of malnutrition. …”
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14399
A Low-Profile Reflector-Enhanced Drop-Shaped Printed Antenna for Wide-Band Wireless Communications
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14400
Experimental analysis of genetic algorithm-enhanced PI controller for power optimization in multi-rotor variable-speed wind turbine systems
Published 2025-01-01“…Furthermore, the processor-in-the-loop (PIL) test using dSPACE 1104 is used to verify the efficacy and ability of the designed approach in enhancing the effectiveness of the power system under study. …”
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