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641
Relación entre comunidad íctica y cobertura vegetal riparia en dos períodos hidrológicos (Eje Cafetero, Colombia)
Published 2011-08-01“…Therewere no significant differences (P>0.05) among the structural variables, the HYPE and the RVC. According to r and r2 the diet of most fish species did not vary as a function of RVC and HYPE; however, according to the CCA diet varies as a function of HYPE but not of RVC. …”
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642
Multi-objective design optimization of a transonic axial fan stage using sparse active subspaces
Published 2024-12-01“…Active subspace was used to compute the active variables via singular value decomposition and a hybrid polynomial correlated function expansion was used to construct a surrogate model on the active subspace. …”
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643
Greening concept in inventory system for deteriorating items with preservation investment and price and stock dependent demand via marine predators algorithm
Published 2025-08-01“…The resulting objective function is highly nonlinear and complex. To solve it efficiently, this study employs the Marine Predators Algorithm (MPA)—a newly developed metaheuristic algorithm well-suited for continuous, nonlinear optimization. …”
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644
Indirect sliding mode adaptive fractional order nonlinear observer based controller with fractional order single-ended primary inductor converter
Published 2025-09-01“…The SEPIC converter is non-inverting and can both step up and step down the voltage with low ripple current. It is a nonlinear variable structure that uses sliding mode control (SMC) for stable operation. …”
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645
Analysis of MAXIM Application Service Quality on User Satisfaction using the E-Service Quality Method
Published 2024-11-01“…Overall, the quality of Maxim's service towards user satisfaction is not good in terms of the variables of efficiency, system availability, responsiveness, and contact. …”
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646
Finding the optimal probe state for multiparameter quantum metrology using conic programming
Published 2024-11-01“…The algorithm involves a conic program, which minimizes a linear objective function subject to conic constraints on a operator-valued variable. …”
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647
Parameter Calculation and Rotor Structure Optimization Design of Solid Rotor Induction Motors
Published 2025-05-01“…On this basis, with efficiency, power factor, starting torque and starting current as the optimization objectives, and the number of slots, slot depth, slot width, squirrel cage material and end ring thickness as the optimization variables, the optimization schemes of slotted rotor and squirrel cage rotor are obtained by using the three-dimensional finite element method. …”
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648
Sustitución parcial de alimento balanceado comercial por saccharina rústica en pollo de engorde
Published 2022-12-01“…Treatment effects were observed on the variables Con, PCF, WG, FG, FY, CY, CY, CY, PY, and EPF. …”
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649
Design optimization of inner and outer‐rotor PMSGs for X‐ROTOR wind turbines
Published 2024-10-01“…The GA optimization algorithm was used to find optimized designs in terms of efficiency, weight, cost, and temperature rise. In order to find the global optimization solution within the allowed variable range and in accordance with the constraints, a combined objective function has also been defined. …”
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650
Investigating the relationship between the monetary policy shock through the exchange rate channel on the management quality index in the banking system: by examining the productiv...
Published 2025-03-01“…In a study, Sanbat (2016) has investigated monetary policy transmission channels in the United States using the FAVAR model and 154 monthly time series variables in the time period from 1970 to 2014. To this end, the effect of monetary policy shock on bank portfolio variables and economic activity variables and the effect of lending on economic activity variables have been investigated. …”
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651
Enlightening the Critical Factors affecting the Solvency of Indian Construction Industry: An Empirical Analysis using Multivariate Discriminant Analysis and Logistic Regression
Published 2025-07-01“…The different financial ratios, namely, profitability, liquidity, leverages, and turnovers, are used as predictors or explanatory variables of insolvency of Indian construction companies. …”
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652
Sustainability Reporting in Value Creation: The Critical Mediation of Environmental Management Accounting
Published 2024-12-01“…This study examines the essential function of Environmental Management Accounting (EMA) as a mediating variable in the correlation between sustainability report disclosures and firm value. …”
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653
Robot welding trajectory optimization based on intersecting line welds
Published 2024-01-01“…ObjectiveOperational efficiency, smoothness and energy consumption have been bottlenecks in the trajectory optimization for industrial robots in the non-contact processing such as welding and painting. …”
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654
DESIGN OF BED SADDLE OF HIGH-SPEED PRECISION CNC LATHE BASED ON TOPOLOGY OPTIMIZATION
Published 2017-01-01“…Firstly,according to variable density method,which makes bed saddle quality be objective function and allows stiffness as well as natural frequency to be constraint condition was established,then the best structure layout of bed saddle was acquired as a result of topology optimization.Finally,the integral design of the bed saddle was accomplished,with the basis of best structure layout of bed saddle and the requirements of the reasonable design. …”
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655
A novel unified variational finite difference (VFD) solution method for optimal control problems
Published 2025-05-01“…To do so, the general form of quadratic performance index function and nonlinear state equations are considered first. …”
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656
Optimization Design of Fast Neutron Target Station Beam Extraction Based on Genetic Algorithm
Published 2025-03-01“…Therefore, the aforementioned parameters are used as variables, and the three important indicators are taken as the objective function. …”
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657
IRAQ'S AGRICULTURAL ECONOMY AND THE REALITY OF THE VARIABLRS AND THE RESULTS OBJECTIVE CURRICULUM AND QUANTITATIVE ANALYSIS FOR THE PERIOD (1990-2011)
Published 2017-08-01“…The research aims to formulate sober policies and practical actions contribute to adjust the course of the agricultural sector and to achieve its goals, which will make it easier to raise production and productivity, Variables of agricultural sector were agricultural work, capital accumulation agricultural, technical mechanism, technical chemical, agricultural loans, agricultural export, import of agricultural, national income, domestic consumption, the cultivatedareas, that have been expressed as (policies of productivity and investment, marketing and price) where its impact was deare on the growth of the agricultural sector and overall productivity during (1990-2010) and the development process and increase production and productivity in the agricultural sector associated with economic, social and institutional multiple and overlapping factors that effects the forms and varying proportions in its impact on agricultural output, which had been measured under function producing an aggregate of variables agricultural policy and its contribution to productivity growth as well as measuring productivity elements total (TFP) by using index (Malmaquist) depending on the (DEAP). …”
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658
Quality control of DEMs using check surfaces
Published 2025-01-01“…This paper proposes the use of check surfaces or ‘patches’ for the assessment of Digital Elevation Model (DEM) elevations and derived variables (e.g. slope and aspect). We work with grid-type DEMs, and the patches are implemented through square windows of different sizes. …”
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659
Neuroscience-informed nomogram model for early prediction of cognitive impairment in Parkinson's disease
Published 2025-06-01“…The least absolute shrinkage and selection operator (LASSO) algorithm was applied to identify highly correlated clinical variables influencing cognitive function. Subsequently, these variables were integrated into a visualized nomogram model to facilitate early prediction of cognitive impairment (CI) risk. …”
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660
Encapsulation Based Method for Natural Frequency Identification of Deployable Solar Arrays with Multiple Plates
Published 2021-01-01“…However, for the batch production of small satellites, the accuracy and efficiency of traditional ground modal testing methods are limited. …”
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