Search alternatives:
coefficient » coefficiency (Expand Search)
efficient » efficiency (Expand Search)
coefficient » coefficiency (Expand Search)
efficient » efficiency (Expand Search)
-
7021
Preliminary evaluation of biomass and lipid production potential of Nannochloropsis sp. under optimal conditions with different wastewater samples for Exopolymeric substances (EPS)...
Published 2025-01-01“…Disposal of untreated wastes into the environment causes antibiotic resistance of organisms and various pollutions. An efficient method for treating wastewater, producing bioenergy and byproducts on a sustainable basis is to cultivate microalgae in wastewater. …”
Get full text
Article -
7022
The influence of radiant heat loss on the melting conditions of a material with internal heat release
Published 2024-09-01“…Numerical methods are used: for a known type of solution, the coefficients are determined in such a way that the boundary conditions (in the general case, nonlinear) are satisfied. …”
Get full text
Article -
7023
Rational well spacings for CO2 miscible flooding based on superposed relationships between connected sand bodies
Published 2025-07-01“…The study shows that the correction coefficient of rational well spacings is in a quadratic relationship with the composite superposition coefficient. …”
Get full text
Article -
7024
Beyond <i>xG</i>: A Dual Prediction Model for Analyzing Player Performance Through Expected and Actual Goals in European Soccer Leagues
Published 2024-11-01“…Furthermore, our research introduces a player selection methodology based on their predicted <i>xG</i> and <i>aG</i>, as determined by our proposed model. According to our model’s classification, we categorize top players into two groups: efficient scorers and consistent performers. …”
Get full text
Article -
7025
Sub-population identification of multimorbidity in sub-Saharan African populations
Published 2025-04-01“…Critically, the automatic stratification approach emphasizes efficient, disciplined exploratory-based analysis as a complementary alternative to more commonly-used confirmation analysis methods. …”
Get full text
Article -
7026
Statistical analysis of the labor component of the competitiveness of the Amur region
Published 2019-11-01“…The purpose of the study is a statistical analysis of the labor resources of the Amur Region as one of the components of the region’s competitiveness. Materials and methods. To conduct a statistical analysis of the region’s labor resources, statistical methods were used, such as calculating absolute and relative dynamics’ indicators, average values, structure indicators, comparative analysis, graphical analysis method, as well as a general theoretical analysis method of Russian literary sources. …”
Get full text
Article -
7027
FEATURES OF FORMATION AND EXECUTION OF THE FEDERAL BUDGET IN THE MILITARY-INDUSTRIAL COMPLEX OF RUSSIA
Published 2015-09-01“…Among them special urgency are those that relate to the need to develop such economic relations that would ensure and guarantee the efficiency, competitiveness and sustainability of defense enterprises. …”
Get full text
Article -
7028
Spiking Neural Networks Optimized by Improved Cuckoo Search Algorithm: A Model for Financial Time Series Forecasting
Published 2025-05-01“…Applied to futures market price difference prediction, experimental results demonstrate that ICS-SNN achieves reductions of 13.82% in MAE, 21.27% in MSE, and 15.21% in MAPE, while improving the coefficient of determination (R<sup>2</sup>) from 0.9790 to 0.9822, compared to the baseline SNN. …”
Get full text
Article -
7029
Limited data based kinetic modeling and optimization of propionic acid synthesis over supported Rh/C catalyst
Published 2025-03-01“…Yet, using the apriori knowledge about the process (i.e., the microkinetics of the reactions), the data enabled the kinetic model identification, resulting in a fitting on the measured outputs characterized by a coefficient of determination of 0.76. The operating parameters were optimized by using this model to enhance the energy and material efficiency of the process. …”
Get full text
Article -
7030
Layered Soil Moisture Retrieval and Agricultural Application Based on Multi-Source Remote Sensing and Vegetation Suppression Technology: A Case Study of Youyi Farm, China
Published 2025-06-01“…After vegetation suppression, the coefficient of determination (R<sup>2</sup>) exceeded 0.8 for all soil layers, while the mean absolute error (MAE) decreased by 35.1% to 49.8%. …”
Get full text
Article -
7031
Variogram modelling optimisation using genetic algorithm and machine learning linear regression: application for Sequential Gaussian Simulations mapping
Published 2025-06-01“…The study combines GA and machine learning to optimise variogram parameters, including range, sill, and nugget, by minimising the root mean square error (RMSE) and maximising the coefficient of determination (R2). The experimental variograms were computed and modelled using theoretical models, followed by optimisation via evolutionary algorithms. …”
Get full text
Article -
7032
Physical simulation of aerodynamic flow characteristics in a vertical diffuser with air supply through different pipe configurations
Published 2023-06-01“…Vertical cone diffusers are used in various technical applications: heat exchangers, gas cleaning units, boilers, industrial furnaces, dryers, ventilation devices, nozzle systems and others. For their efficient operation, it is necessary to ensure a uniform supply of the working medium to the device, which is determined by the characteristics of the flow in thediffuser. …”
Get full text
Article -
7033
Pistachio hull extract as a natural antioxidant incorporated into pistachio paste: Antioxidant activity and oxidative stability
Published 2025-06-01“…Pistachio hull (PH) and testa (TS), the primary pistachio wastes during production of paste, fresh kernel, and un-refined oil, were extracted for their valuable bioactive compounds using a mixture of ethanol and water (1:1, v/v) through conventional (CNE), ohmic heating-assisted (OHE), and atmospheric cold plasma-assisted (CAP) extraction methods. The total phenol content (TPC), total flavonoid content (TFC), and antioxidant activity (AA) of the extracts were determined. …”
Get full text
Article -
7034
Linear Active Disturbance Rejection Control-Based Voltage Controller for Buck and Boost DC/DC Converters in DC Distribution Grids
Published 2025-01-01“…The formulation of the proposed L-ADRC model in the non-canonical form facilitates the employment of model-based estimation and feedback control methods, whose performance is determined through the design of several parameters. …”
Get full text
Article -
7035
Dynamics of Nocturnal Evapotranspiration in a Dry Region of the Chinese Loess Plateau: A Multi-Timescale Analysis
Published 2025-07-01“…The results showed the following: (1) In contrast to the non-significant trend in <i>ETN</i> on the diurnal and daily scales, monthly <i>ETN</i> dynamics exhibited two peak fluctuations during the growing season. (2) The contribution of <i>ETN</i> to <i>ET</i> exhibited seasonal characteristics, being relatively low in summer, with interannual variations ranging from 10.9% to 14.3% and an annual average of 12.8%. (3) The half-hourly <i>ETN</i>, determined by machine learning methods, was driven by a combination of factors. …”
Get full text
Article -
7036
Effect of zeolites modification on their adsorption properties
Published 2024-02-01“… Atmospheric air pollution is determined by the functioning of both technogenic and natural sources of pollution. …”
Get full text
Article -
7037
Assessing the impact of an environmentally friendly approach on irreversible dental hydrocolloid performance
Published 2024-12-01“…Green nanoparticle synthesis is a safe, efficient, and non-toxic method, potentially synergizing metal ions with plant extract.…”
Get full text
Article -
7038
Electrocardiograph analysis for risk assessment of heart failure with preserved ejection fraction: A deep learning model
Published 2025-02-01“…Abstract Aims Heart failure with preserved ejection fraction (HFpEF) requires an efficient screening method. We developed a deep learning model (DLM) to screen HFpEF risk using electrocardiograms (ECGs). …”
Get full text
Article -
7039
Hepatoprotective Activity of Pine cones Extract
Published 2023-12-01“…The component composition of procyanidins in the extract was determined using ultra-efficient liquid chromatography with a mass selective detector. …”
Get full text
Article -
7040
Research on the influence of different antioxidants on the thermal behavior of coal spontaneous combustion
Published 2025-05-01“…Furthermore, the thermal effect of antioxidant inhibition of key free radical (• OH) reactions was determined using quantum chemistry methods. Results indicate that during the process of reducing • OH, the main reaction occurring is hydrogen abstraction reaction of • OH on active sites of antioxidants. …”
Get full text
Article