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6701
Study of Antenna Superstrates Using Metamaterials for Directivity Enhancement Based on Fabry-Perot Resonant Cavity
Published 2013-01-01“…Metamaterial superstrate is a significant method to obtain high directivity of one or a few antennas. …”
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6702
An Enhanced Measurement of Epicardial Fat Segmentation and Severity Classification using Modified U-Net and FOA-guided XGBoost
Published 2025-06-01“…In addition, a metaheuristic optimization algorithm from falcon optimization algorithm (FOA) is used for efficient feature selection. The selected features are then classified using the XGBoost algorithm to determine the fat severity. …”
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6703
Online identification of stability region for large-scale wind farms, Part I: Clustering based piecewise affine impedance modeling
Published 2025-09-01“…By locating the operating point in the partitions of the parameter space, the coefficients of the first-order affine models can be determined. …”
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6704
A Consensus Framework for Evaluating Dispute Resolution Alternatives in International Law Using an Interval-Valued Type-2 Fuzzy TOPSIS Approach
Published 2024-11-01“…—cost-efficiency, duration, impartiality, binding nature, and generalizability are considered essential in determining the best resolution method. …”
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6705
A novel approach for constructing plantation wood-based phase change energy storage composites exhibiting high dimensional stability and mechanical performance
Published 2025-09-01“…Through comprehensive property evaluation, a PEG 800 solution concentration of 40 % was determined to be optimal in the first step, achieving a balanced phase-change enthalpy of 20.11 J/g, improved dimensional stability (water-soaking anti-swelling efficiency: 68.01 %), and enhanced mechanical performance. …”
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6706
Evaluation of the applicability of fractal analysis to describe the surface of aluminium composites after drilling
Published 2024-01-01“…The box-counting fractal dimension of the hole surfaces was also determined. Correlation coefficients between the fractal dimension and roughness parameters were calculated. …”
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6707
Characterization of Morphological and Optical Properties of MgO:SnO2 Nanostructure Thin Films
Published 2024-10-01“…The optical properties of the MgO: SnO2 films have been investigated as a function of MgO and the bandgap energy was estimated to be in the range of (3.5- 3.1) eV, The refractive index and extinction coefficient of the films were also determined, and the results indicated that the films had good transparency in the visible region. …”
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6708
Modeling of Chatter Stability for the Robot Milling of Natural Marble
Published 2024-12-01“…The milling force coefficients are determined by robot milling experiments, and the modal parameters of the robot milling system are identified based on the single-point excitation and pickup methods, which are essential for the establishment of the chatter stability model. …”
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6709
CRISPR/Cas9 ribonucleoprotein mediated DNA-free genome editing in larch
Published 2024-01-01“…The optimal particle bombardment parameters were determined at 1,100 psi and a distance of 9 cm and the editing efficiency of the targets was verified in vitro. …”
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6710
Cost-effectiveness of risk model-based lung cancer screening in smokers and nonsmokers in China
Published 2025-05-01“…However, the cost-effectiveness of this model has yet to be determined. Methods The cost-effectiveness analysis simulates a Chinese birth cohort using a calibrated Markov model based on individual data from a prospective cohort of the Guangzhou Lung Cancer Screening Program. …”
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6711
FOOD WASTE MANAGEMENT USING STATISTICAL ANALYSIS TO OBTAIN NEW FUNCTIONAL PRODUCTS
Published 2020-01-01“…Mathematical models have been developed to describe the relationship between the amount of APP and the weighting coefficients of the feature vectors. Using the partial least squares regression (PLS), principal component analysis (PCA), and factor analysis (FA) methods, it has been determined the optimum amount of APP for cookies preparation. …”
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6712
Reactor modeling and kinetic parameters estimation for diethylbenzene (DEB) dehydrogenation reactions
Published 2019-09-01“…Model equations for DEB dehydrogenation reactor have been solved by genetic algorithm (GA) method using MATLAB software. Reaction rate constants and absorption coefficients were determined at various temperatures. …”
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6713
Effects of Mathematical Games Strategy on the Achievement of Students in High School Geometry
Published 2013-01-01“…The test underwent a series of steps of validation and later on the reliability coefficient was determined at 0.91 using the KR20. The study found that the students who were exposed to mathematical games strategy obtained higher achievement scores compared to students taught using the traditional method. …”
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6714
SIMPLIFIED CALCULATION OF MESHING STRENGTH OF FACE GEAR PAIR (MT)
Published 2023-01-01“…The tooth thickness at the dangerous section of gear teeth was determined by the 30° tangent method, and the stress calculation coefficient table was given based on the expression of basic parameters of gear pair, finally, the analytical calculation formula of tooth root bending stress was deduced. …”
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6715
Activity of soil fluorescein diacetate (FDA) hydrolase under long-term fertilization
Published 2010-07-01“…The activities of fluorescein diacetate (FDA) hydrolase in black soil and brown soil under different long-term fertilization experiments were determined by the spectrophotometric method and using fluorescein diacetate (FDA) as the substrate. …”
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6716
Profile Shaped-configuration of Convex Ellipse Rotor and Its Following High-shape Technology
Published 2020-01-01“…Firstly, from ellipse coordinate equation of rotor shaped-profile and conjugate principle of rotor pairs and critical conjugate conditions, the optimum axial length ratio of ellipse arc and the maximum shape coefficient of basic rotor are calculated. Secondly, based on the geometric relationship when the endpoint of valley working shaped-profile on driving rotor is just perfect to avoid the peak corner point on driven rotor, the maximum shape factor of raised rotor under a given addendum angle is determined. …”
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6717
Laboratory Investigations on Pervious Concrete for Pavement Construction.
Published 2023“…Various mechanical properties of the mixes were evaluated. Coefficient of permeability was determined by using falling head permeability method. …”
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Thesis -
6718
Blind Parameter Identification of MAR Model and Mutation Hybrid GWO-SCA Optimized SVM for Fault Diagnosis of Rotating Machinery
Published 2019-01-01“…Signals collected from different types of faults were firstly split into sets of intrinsic mode functions (IMFs) by variational mode decomposition (VMD), the decomposing mode number K of which was preset with central frequency observation method. Then the multivariate autoregressive (MAR) model of all IMFs was established, whose order was determined by Schwartz Bayes Criterion (SBC), and all parameters of the model were identified blindly through QR decomposition, where key features were subsequently extracted via principal component analysis (PCA) to construct feature vectors of different fault types. …”
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6719
THE ROLE OF BIOGENIC MATTER IN INCREASING THE PRODUCTIVITY OF CORN AND SORGO IN THE TERSKO-SULAK SUBPROVINCE CONDITIONS OF IRRIGATION
Published 2017-07-01“…Sampling of the soil and plants was carried out according to standard methods; statistical processing of yield data was carried out by the method of variance analysis using a standard method and computer program, thus based on the data obtained, the economic efficiency of the main spring corn crops for corn and grain sorghum was determined.Results. …”
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6720
Optimizing Supply Chain Management to Reduce Food Waste and Loss in Agriculture
Published 2025-01-01“…The problematic declaration highlights that despite progress in cultivated methods, food leftover residues are a determined matter. …”
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