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681
Shaped-Pattern Reflectarray Antennas for mm-Wave Networks Using a Simple Cell Topology
Published 2022-01-01“…Working at 28 GHz, reflectarray designs adapt the radiated field to the coverage area specified in each scenario, through an ultra-thin surface composed of simple cells. To evaluate the antenna performance, two reflectarray prototypes identical in size are manufactured and tested achieving a good trade-off between the performance and the low-cost, low losses and, low-profile characteristics of the antenna. …”
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682
Psychological coaching as a driver of young entrepreneurs’ enhanced networking capabilities
Published 2019-01-01“…The study was based on 331 young adults who answered a questionnaire composed of three parts: sociodemographic questions, the Portuguese Entrepreneurial Psychological Traits Inventory (PEPTI) and the Big Five Inventory (BFI44). …”
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683
Gut microbiota-derived short-chain fatty acids and depression: deep insight into biological mechanisms and potential applications
Published 2024-02-01“…The gut microbiota is a complex and dynamic ecosystem known as the ‘second brain’. Composing the microbiota-gut-brain axis, the gut microbiota and its metabolites regulate the central nervous system through neural, endocrine and immune pathways to ensure the normal functioning of the organism, tuning individuals’ health and disease status. …”
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684
Inventory and Production Dynamics in a Discrete-Time Vendor-Managed Inventory Supply Chain System
Published 2018-01-01“…This paper presents some analytical results on production and order dynamics in the context of a discrete-time VMI supply chain system composed of one retailer and one manufacturer. We firstly derive the lower bound and upper bound on the range of inventory fluctuations for the retailer under unknown demand. …”
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685
Analysis of the Long-Term Corrosion Behavior of X80 Pipeline Steel in Acidic Red Soil Using Electrical Resistance Test Technique
Published 2015-01-01“…The final corrosion product layer was composed mainly of FeOOH, γ-Fe2O3, and FeCO3.…”
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686
Analysis of Hydraulic Fracture Propagation Using a Mixed Mode and a Uniaxial Strain Model considering Geomechanical Properties in a Naturally Fractured Shale Reservoir
Published 2020-01-01“…A discrete fracture network is employed to realize the fracture network composed of natural and hydraulic fractures. We compare the fracture propagation behaviours of three cases representing the Barnett, Marcellus, and Eagle Ford shale gas formations. …”
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687
A Novel Hybrid T-Type Three-Level Inverter Based on SVPWM for PV Application
Published 2018-01-01“…Eventually, we propose the hybrid T-type inverter topology structure, which is composed of two best basic units. This structure takes full advantage of the two components, to reduce the harmonic content and the power loss of the converter and improve the conversion efficiency of the system. …”
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688
Beam Synthesis with Low-Bit Reflective Coding Metamaterial Antenna: Theoretical and Experimental Results
Published 2018-01-01“…As a synthetic 2-D plane, metamaterial antennas are composed of subwavelength resonant particles. It can realize real-time control of electromagnetic wave and build multifunction radar array system. …”
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689
Experimental and Numerical Study of the Drying Process of a Consolidated Clay Soil
Published 2022-01-01“…The clay soil is composed of solid skeleton and porous and can be studied in the framework of porous media. …”
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690
The Analysis of Stress Waves at a Junction of Beam and String
Published 2018-01-01“…The stress wave at a junction of the structure composed of beams and strings is investigated in this paper. …”
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691
OIL PRICES AND THEIR LONG-TERM RELATIONSHIP WITH MACROECONOMIC AND FINANCIAL INDICATORS
Published 2023-05-01“…In order to find the cointegrating relationship between the above mentioned variables, the Johansen test was used, after which, the Vector Error Correction Model (VECM) system was composed to formulate a set of equations that explain all the variables. …”
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692
Effects of Interaction between Dual Shaking Tables and Specimen and Force Feedback Compensation Control
Published 2018-01-01“…The shaking table array system is composed of multiple shaking tables for seismic response simulation tests of large-span spatial structures, bridge structures, slender structures such as pipeline and aqueduct, complex structures, and so on. …”
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693
Adult Nephroblastoma with Predominant Epithelial Component: A Differential Diagnostic Candidate of Papillary Renal Cell Carcinoma and Metanephric Adenoma—Report of Three Cases
Published 2013-01-01“…Histologically, the tumors were composed of papillotubular architectures of small and uniform tumor cells with high nucleocytoplasmic ratio without blastemal element. …”
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694
Genes Involved in the Biosynthesis and Transport of Acinetobactin in
Published 2015-03-01“…Acinetobacter baumannii, causing serious infections in compromised patients, produces an iron-chelating molecule, called acinetobactin, which is composed of equimolar quantities of 2,3-dihydroxybenzoic acid (DHBA), L-threonine, and N-hydroxyhistamine, to compete with host cells for iron. …”
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695
Self-Organizing Method on Mission-Level Task Allocation of Large-Scale Remote Sensing Satellite Swarm
Published 2022-01-01“…And the satellite swarm task allocation and planning model of potential target searching, moving target tracking, and sensitive target feature confirmation is given. The model is composed of observation requirement generation, observing area decomposition, and task allocation between different satellites. …”
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696
Would Phrynops geoffroanus’ plastron formula and morphological diversity be preserved under anthropic conditions?
Published 2025-01-01“…When evaluating the morphometric dependence, r = 0.85 was obtained, which allowed us to verify the allometric classification Y, the growth rate K, and the proportion of growth b for each segment that composes the length of the plastron (LP). Thus, the calculated morphometric set demonstrates that the plastron formula can serve as a diagnostic character for Phrynops geoffroanus. …”
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697
Narrow-Energy-Width CT Based on Multivoltage X-Ray Image Decomposition
Published 2017-01-01“…Solving the decomposition model, narrow-energy-width projections are obtained and it is used to reconstruct the image. A cylinder composed of aluminum and silicon is used in a verification experiment. …”
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698
Statistical analysis of the k/n(G) system with dependent competing failure components influenced by Gumbel-Hougarrd Copula and progressively hybrid censored data
Published 2025-01-01“…Consider a k/n(G) system, in which the system components are composed of multiple dependent failure mechanisms, and the dependence between the mechanisms is connected by the Gumbel-Hougarrd (GH) Copula. …”
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699
A Comparative Morphometrical Study of the Pecten Oculi in Different Avian Species
Published 2013-01-01“…Light microscopic investigation demonstrated that pecten oculi is basically composed of numerous capillaries, large blood vessels, and pigment cells in all investigating avian species. …”
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700
Two-Dimensional Beampattern Synthesis for Polarized Smart Antenna Array and Its Sparse Array Optimization
Published 2020-01-01“…In the second stage, a new sparse array-optimized method for the polarized antenna array is proposed to reduce the high cost caused by the planar array that is composed of polarized dipole antennas. Numerical examples are provided to demonstrate the advantages of the proposed approach over state-of-the-art methods.…”
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