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6401
Inversion algorithm of black carbon mixing state based on machine learning
Published 2025-03-01“…Our model achieves high accuracy for both particle size inversion and optical cross-section inversion of BC-containing particles, with a coefficient of determination <span class="inline-formula"><i>R</i><sup>2</sup></span> higher than 0.98. …”
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6402
Rational Possibility of Generating Power Laws in the Synthesis of Cam Mechanisms
Published 2021-09-01“…Introduction.The generation of polynomial power laws of motion for the synthesis of cam mechanisms is complicated by the need to determine the coefficients of power polynomials. The study objective is to discover a rational capability of generating рower law swith arbitrary terms number under s with an rbitrary number of terms under the synthesis of cam mechanisms.Materials and Methods.A unified formula for determining the values of coefficients of power polynomials with any number of integers and/or non-integer exponents is derived through the so-called transfinite mathematical induction. …”
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6403
Economic assessment of energy consumption and greenhouse gas emissions from wheat production in Ardabil provience
Published 2019-09-01“…Material and methods: This study was carried out in Ardabil province of Iran. …”
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6404
Structural Tectonic Scheme Creation Based on Seismic-Gravity Models and Isostasy Usage: Ural Case
Published 2024-02-01“…Coefficients of the “density-velocity” correlation formulas for a number of geo-traverses were defined. …”
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6405
Machine Learning Forecasting of Commercial Buildings’ Energy Consumption Using Euclidian Distance Matrices
Published 2025-08-01“…By integrating custom-built models with existing energy data, the method applies calculated weighting through a distance matrix and accuracy coefficients to generate reliable forecasts. …”
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6406
INCREASING THE INVESTMENT ATTRACTIVENESS OF THE AGRICULTURAL SECTOR IN RUSSIA
Published 2018-06-01“…The purpose of the article is to determine the main directions of increasing the investment attractiveness of the agricultural sector in the Russian Federation.We used the following methods: a content analysis of the legal framework and scientific publications on the investment attractiveness of the agricultural sector, economic, statistical, and econometric analysis of the dynamics of the industry using special software applications (STATISTICA package).Over the past three years, the dynamics of investment in fixed capital in the agricultural sector is steadily increasing, but the volume of loans attracted is almost twice as high as the volume of investment (hence, loans are attracted to solve current problems). …”
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6407
Processing of orthogonal frequency-compensated signals transmitted via communication channels with fading
Published 2019-06-01“…Thus, the classical methods for determining the generating function of moments can be directly used to determine the exact mathematical representation of the probability of error receiving signals for various types of modulation and diversity of signals.…”
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6408
Correlation between self-concept and academic achievement of students
Published 2014-04-01“…Methods: This is a cross-sectional descriptive – analytical study. …”
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6409
The Property of the <i>Gaia</i> Celestial Reference Frame 3 (<i>Gaia</i>-CRF3)
Published 2024-12-01“…This study assesses the properties of <i>Gaia</i>-CRF3 by uniformly sampling Active Galactic Nuclei (AGN) sources from <i>Gaia</i> DR3 using two methods: Fibonacci grid sampling and HEALPix pixel sampling. …”
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6410
Features of the Concrete Structure of the Structural Element Made by Additive Technology
Published 2023-01-01“…The results obtained can be used in the development of methods for experimental studies of effective mechanical characteristics of concrete, as well as in studies to determine the coefficients of concrete working conditions in structures made using additive technology.…”
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6411
Providing a model of consumer behavior in creating brand attachment with an emphasis on the packaging component of food industry companies
Published 2024-06-01“…As shown in Table 3, the coefficients obtained in both methods were higher than the threshold of 0.6; therefore, the reliability and validity of the interviews are confirmed. …”
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6412
DETERMINAÇÃO DAS ISOTERMAS DE ADSORÇÃO E DO CALOR DE SORÇÃO DE FARINHA DE BABAÇU COMERCIAL
Published 2014-07-01“…The selection of the best model was based on the coefficient of determination and chi -square test. All tested models showed good fits in the temperatures studied. …”
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6413
Echocardiographic Screening for Transcatheter Edge-to-Edge Mitral Valve Repair: Correlation Between Transthoracic and Transesophageal Assessment
Published 2025-04-01“…The correlation between TTE and TOE for key parameters was strong, with coefficients ranging from 0.734 to 0.901, indicating high agreement between the two methods. …”
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6414
An Unsupervised Learning Approach for Coal Spontaneous Combustion Warning Level Classification Using t-SNE and k-Means Clustering
Published 2025-03-01“…The clustering results of the original data were compared with Principal Component Analysis (PCA) and Stochastic Neighbor Embedding (SNE) methods to determine coal spontaneous combustion warning levels. …”
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6415
Identifying Big Five Personality Traits through Controller Area Network Bus Data
Published 2020-01-01“…For these five personality trait dimensions, the coefficients of determination of effective predictive models were between 0.19 and 0.74, the root mean squared errors were between 2.47 and 4.23, and the correlations between predicted scores and self-reported questionnaire scores were considered medium to strong (0.56–0.88). …”
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6416
Boosting physical education performance: how attitude and motivation instruments impact student success
Published 2025-07-01“…The research utilised various analytical techniques, including correlation analysis, prerequisite tests (normality and linearity tests), descriptive statistical analysis, and hypothesis testing (simple correlation, multiple correlation, significance tests—F-tests, and coefficients of determination). Findings/Results: The findings reveal a positive and significant relationship between attitude, motivation, and the PE learning outcomes of high school students in Jambi City. …”
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6417
Enhanced early detection of dysarthric speech disabilities using stacking ensemble deep learning model
Published 2025-09-01“…Unlike conventional stacking methods that use fixed meta-classifiers, this study employs a Genetic Algorithm (GA)-based optimization strategy to dynamically determine optimal weight contributions of the base models, enhancing classification robustness and adaptability.The preprocessing pipeline converts speech signals from the time domain to the frequency domain by using a Short-Time Fourier Transform (STFT). …”
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6418
Optimum System Design Using Rough Interval Multi-Objective De Novo Programming
Published 2024-05-01“… The Multi-objective de novo programming method is an effective tool to deal with the optimal system design by determining the optimal level of resources allocation (RA) to improve the value of the objective functions according to the price of resources (the conditions are certainty). …”
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6419
DIFFERENTIAL DIAGNOSIS OF TEMPOROMANDIBULAR DISORDERS WITH THE USE OF DEVELOPED COMPUTER PROGRAM TO DEFINE THE INDIVIDUAL RISK OF THEIR DEVELOPMENT
Published 2018-03-01“…To identify the possibilities for differential diagnosis of temporomandibular disorders using a computer program to determine the individual risk of TMD. Materials and methods. …”
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6420
Installation for measuring of temporal and power spectrums of γβ (e+e0)-coincidences
Published 2006-06-01“…It is described special installation for measuring of double and triple coincidences γ-quanta and β-particles with lowenergy electrons (including the eo-electrons of second electronic emission near-zero of energy) – (γ, β)(e, eо)- coincidences, containing two unthreshold detectors of electrons on the base micro channel plates and one detector γ-quanta (Ge(Li) or NaJ(Tl)), which is aimed for the determination of internal conversion coefficients on eo-electrons from radiation vacancy by proper measuring methods and also for the research on eo-electrons “shake off” effects upon β-decay. …”
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