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5981
Research on the impact of the digital economy on carbon emissions based on the dual perspectives of carbon emission reduction and carbon efficiency
Published 2025-01-01“…Fourthly, industrial structure upgrading is a key nonlinear factor reducing the digital economy’s impact on carbon reduction, while the digital economy’s effect on urban carbon efficiency shows a U-shaped pattern. …”
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5982
The Effect of Malrotation of Tibial Component of Total Knee Arthroplasty on Tibial Insert during High Flexion Using a Finite Element Analysis
Published 2014-01-01“…The tibial insert made from ultra-high-molecular-weight polyethylene was assumed to be elastic-plastic while femoral and tibial metal components were assumed to be rigid. Four nonlinear springs attached to tibial component represented soft tissues around the knee. …”
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5983
A Multifactory Integrated Production and Distribution Scheduling Problem with Parallel Machines and Immediate Shipments Solved by Improved Whale Optimization Algorithm
Published 2018-01-01“…Then, a mixed-integer nonlinear programming model is developed to determine the detailed scheduling of production and distribution that minimizes the total costs of the supply chain including production, distribution, and late delivery costs. …”
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5984
Investigation of a Biochemical Model with Recycling in Case of Negative Cooperativity
Published 2025-01-01“…The objective of this paper is to find new dynamic perspectives in a well-known two dimensional nonlinear system which is a modification of the phosphofructo kinase model by incorporating recycling of the product, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>p</mi></semantics></math></inline-formula>, into the substrate, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>s</mi></semantics></math></inline-formula>. …”
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5985
Mechanical Behavior and Its Influencing Factors on Engineered Cementitious Composite Linings
Published 2019-01-01“…The peak load and corresponding displacement of linings demonstrate nonlinear increase with the increase in model size.…”
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5986
Central AdS Generalized Ay{\'o}n-Beato-Garc{\'\i}a Black Holes and Joule-Thomson Expansion
Published 2022-10-01“…This black hole is characterizedby five parameters including mass $m$, magnetic charge $q$, andthree \textcolor[rgb]{0.00,0.00,1.00}{other} parameters related toform of used nonlinear electromagnetic interaction fields.\textcolor[rgb]{0.00,0.00,1.00}{Inversion points are in fact aparticular T-P curve at constant enthalpy and it separates coolingand heating phase of the modified AdS ABG black hole.}…”
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5987
Optimization Method of Underwater Flapping Foil Propulsion Performance Based on Gaussian Process Regression and Deep Reinforcement Learning
Published 2025-01-01“…In order to overcome the complexity and variability of underwater working environments, as well as the difficulty of controlling the flapping motion due to the significant nonlinear characteristics and numerous variables involved, a direct exploration approach is proposed to search for the optimal flapping foil propulsion parameters in the environment. …”
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5988
Adaptive Robust SMC-Based AGC Auxiliary Service Control for ESS-Integrated PV/Wind Station
Published 2020-01-01“…The shifting operation modes and external disturbances make ESSs in an ESS-integrated PV/wind station inherently nonlinear and time variable. Therefore, an adaptive robust sliding-mode control (ARSMC) system is proposed. …”
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5989
Multiscale modeling of thermo-hydromechanical behavior of clayey rocks and application to geological disposal of radioactive waste
Published 2025-01-01“…Based on linear and nonlinear homogenization techniques, the proposed model is able to systematically account for the influences of porosity and mineral composition on macroscopic elastic properties and plastic yield strength. …”
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5990
Analytical monodromy matrix method for small-signal stability analysis of grid-connected modular multilevel converter systems
Published 2025-03-01“…., high-voltage direct current transmission. However, its nonlinear time-periodic nature leads to complex harmonic interactions and then complicates the small-signal stability modeling and analysis of grid-connected MMC systems. …”
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5991
Thermal and solutal performance analysis featuring fully developed chemically reacting micro-rotational convective flow in an open-ended vertical channel
Published 2025-01-01“…Each of the two streams has its pressure gradient, temperature and velocity, and the channel is partitioned into two channels by a thin baffle that is fully conductive and flat in shape. The coupled nonlinear ordinary differential equations are solved using appropriate boundary constraints. …”
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5992
Prebiotic Geochemical Automata at the Intersection of Radiolytic Chemistry, Physical Complexity, and Systems Biology
Published 2018-01-01“…Connectivity across multiple levels imparts the potential to create and maintain far-from-equilibrium chemical conditions and to manifest nonlinear system behaviors best approximated using automata formalisms. …”
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5993
Prediction Model of Minimum Void Ratio for Various Sizes/Shapes of Sandy Binary Mixture
Published 2020-01-01“…Based on a study of binary mixtures of natural sand from three different origins and iron particles of two different shapes, this paper analyzes the influence factors of the minimum void ratio, and a quadratic nonlinear model is proposed for estimating the minimum void ratio of binary mixture. …”
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5994
Partitioned Strong Coupling of Discrete Elements with Large Deformation Structural Finite Elements to Model Impact on Highly Flexible Tension Structures
Published 2020-01-01“…Here, the protection nets are described with nonlinear structural finite elements and the impacting objects as DEM elements. …”
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5995
A QSAR Study Based on SVM for the Compound of Hydroxyl Benzoic Esters
Published 2017-01-01“…The results show that R2 and Q2LOO of 4 kinds of nonlinear models are more than 0.6 and SDEPext is 0.213, 0.222, 0.189, and 0.218, respectively. …”
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5996
Damping Effects Induced by a Mass Moving along a Pendulum
Published 2014-01-01“…The system consists of a disk travelling along an oscillating pendulum: large swinging angles are reached, so that its equation of motion is not only time-varying but also nonlinear. Signals are acquired from a rotary sensor, but some remarks are also proposed as regards signals measured by piezoelectric or capacitive accelerometers. …”
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5997
Social Inequalities in Adolescents’ Psychological and Somatic Complaints: Cross-National Trends Between 2002 and 2022 and the Role of Societal Changes
Published 2025-01-01“…We tested (1) whether the association between family socioeconomic status and psychological and somatic complaints changed between 2002 and 2022, (2) the extent to which these trends varied across countries, and (3) whether changes in income inequality, schoolwork pressure, and internet activity within countries were related to these trends.MethodsUsing data from 903,344 adolescents across 32 countries from the Health Behaviour in School-aged Children (HBSC) study between 2002 and 2022, we employed multilevel models to investigate the research questions.ResultsWe observed a nonlinear increase in psychological and somatic complaints over time. …”
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5998
Three-dimensional electrical structure in the northwestern sector of the Sichuan-Yunnan diamond block
Published 2025-01-01“…Our study conducted a magnetotelluric profile from Chazha to Luomai across the geological boundary of the Sichuan-Yunnan block in its northwest sector. Using the nonlinear conjugate gradient three-dimensional inversion method, we obtained the deep electrical structure across the northern part of the block. …”
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5999
The L-shaped association between body roundness index and all-cause mortality in osteoporotic patients: a cohort study based on NHANES data
Published 2025-01-01“…To analyze the relationship between BRI and mortality while accounting for important covariates, we employed weighted Cox proportional hazards models, conducted Kaplan–Meier survival analyses, and utilized restricted cubic splines (RCS).ResultsHigher BRI was significantly associated with better long-term survival, showing an “L”-shaped nonlinear inverse relationship with mortality, with a threshold at BRI = 5. …”
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6000
Coordination Control of Active Steering and Direct Yaw Control for the Articulated Steering Vehicle
Published 2023-01-01“…To improve the stability of an ASV, the nonlinear lateral dynamic model is established and validated by field test. …”
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