Search alternatives:
variable » variables (Expand Search)
coefficiency. » efficiency. (Expand Search)
efficient. » efficiency. (Expand Search)
variable » variables (Expand Search)
coefficiency. » efficiency. (Expand Search)
efficient. » efficiency. (Expand Search)
-
1601
Dynamic ensemble-based machine learning models for predicting pest populations
Published 2024-12-01“…This study introduces a dynamic ensemble model with absolute log error (ALE) and logistic error functions using four machine learning models—artificial neural networks (ANNs), support vector regression (SVR), k-nearest neighbors (kNN), and random forests (RF). …”
Get full text
Article -
1602
H-Darrieus Wind Turbine with Blade Pitch Control
Published 2009-01-01“…The azimuthal variation of the blades' pitch angle is modeled with an analytical function whose coefficients are used as variables in the optimization process. …”
Get full text
Article -
1603
ESTIMATING THE DEMAND FOR RAILWAY FREIGHT TRANSPORTATION: A CASE STUDY IN KAZAKHSTAN
Published 2023-09-01“…Qualitative methods rely on judgments and opinions, while quantitative methods utilize historical data or identify causal relationships between variables. Overall, the present study highlights the critical role of demand forecasting in the railway freight transportation industry and its impact on efficient planning and decision-making processes.…”
Get full text
Article -
1604
Effect of design and kinematic parameters on energy requirement in inclined screw mixer
Published 2018-12-01“…The establishment of functional dependences between parameters and modes enables to design power-efficient equipment for the on-farm feed production.Materials and Methods. …”
Get full text
Article -
1605
Leveraging artificial intelligence for diagnosis of children autism through facial expressions
Published 2025-04-01“…Using autism spectrum disorder (ASD) diagnosed child RGB images data, researchers evaluated six prevalent deep learning structures: DenseNet201, ResNet152, VGG16, VGG19, MobileNetV2, and EfficientNet-B0. ResNet152 reached the highest accuracy rate of 89% when functioning independently. …”
Get full text
Article -
1606
In vitro study of macro and micro nutrients decline in MS medium on growth and development levels of Acacia tortilis (Forssk.) Hayne.
Published 2024-10-01“…Acacia tortilis is one of the valuable species growing in the southern regions of Iran, which is highly considerable for a variety of reasons such as stabilization of quicksand, medicinal uses and ecological functions. Low germination capacity of seeds, hard rooting of cuttings, the value of aesthetics and multiple medicinal uses highlight the importance of further research to explore methods for easy and efficient propagation of this species in vitro. …”
Get full text
Article -
1607
Improving Monitoring of Indoor RF-EMF Exposure Using IoT-Embedded Sensors and Kriging Techniques
Published 2024-12-01“…These networks consist of numerous sensor nodes, often deployed in challenging terrains where maintenance is difficult. Efficient monitoring approaches are essential to maximize the functionality and lifespan of each sensor node, thereby improving the overall performance of the WSN. …”
Get full text
Article -
1608
Engineering students' perceptions and actual use of AI-based math tools for solving mathematical problems
Published 2025-06-01“…The objective of this study was to evaluate the variables that influenced the engineering students' perceptions of adoption and actual academic use of AI-based math tools as academic assistance. …”
Get full text
Article -
1609
Importance of ice algae versus phytoplankton in the diet of megabenthic organisms under contrasting sea ice conditions (Canadian Arctic): a dual biochemical approach (SIA and HBIs)
Published 2025-06-01“…Overall, organisms responded rapidly and efficiently to this pulse of fresh organic matter but trends in resource utilisation (quality and quantity) were observed based on feeding strategy. …”
Get full text
Article -
1610
Assessing the Skeletal Muscle Pump During Lower Limb Counterpressure: Lags and Causality in Cardiovascular Regulation
Published 2025-08-01“…The study provides a novel methodological framework for assessing skeletal muscle pump function and its impact on cardiovascular dynamics. …”
Get full text
Article -
1611
Empirical Study of the Impact of Unemployment on Political Stability in Iran (1985-2015)
Published 2021-06-01“…Vector regression (VAR), Johansson-Juselius, Vector Error Correction Model (VECM), and variance analysis function were used for this purpose. The results show that in the long run, two variables of unemployment rate and Gini coefficient have a negative and significant relationship with political stability. …”
Get full text
Article -
1612
The International Trauma Interview (ITI): development of a semi-structured diagnostic interview and evaluation in a UK sample
Published 2025-12-01“…Correlations with the ITQ were good but coefficients for the level of agreement of PTSD diagnosis and CPTSD diagnosis between the ITI and the ITQ were weaker, and item level agreement was variable.Conclusion: Results provide support for the reliability and validity of the ITI as a measure of ICD-11 PTSD and CPTSD. …”
Get full text
Article -
1613
Analysis of the dynamic impact factor of Song Phan bridge under random loads collected from the Dau Giay weighing station and road management Area IV
Published 2024-11-01“…The research findings indicate that the probability distribution of the random variables is highly complex. Furthermore, the Dynamic Impact Factor corresponding to the overload loads from Road Management Area IV tends to increase and exceeds the dynamic coefficients currently utilized in bridge design standards, according to AASHTO and TCVN 11823-13:2017.…”
Get full text
Article -
1614
Unraveling novel variants in the NF1 gene and investigating potential therapeutic strategies
Published 2025-07-01“…A retrospective analysis of 49 clinical trials over the past 20 years revealed that NF1 therapies predominantly target neurofibromin’s GTPase function. Gene therapies aiming to restore neurofibromin by transducing the truncated NF1-GRD gene have been developed but faced pre-clinical challenges, including cloning capacity, transduction efficiency, and immunogenicity caused by gene delivery. …”
Get full text
Article -
1615
Translation and validation of Gujarati version of Indian HAQ in RA patients
Published 2022-01-01“…Results: Internal consistency of each item was evaluated by Cronbach's alpha and the Construct validity was evaluated by determining Spearman's correlation between the Gujarati Indian HAQ score and disease activity variables. Reliability testing showed an intraclass coefficient for HAQ of 0. 848. …”
Get full text
Article -
1616
Analysis of fuzzy TOPSIS Method in Determining Priority of Small Dams Construction
Published 2019-10-01“…The first step was determining membership function and weighting each criteria. Then, TOPSIS method was applied to ranked eight alternatives. …”
Get full text
Article -
1617
Time-Jerk Optimal Robotic Trajectory Planning Under Jerk and Continuity Constraints via Convex Optimization
Published 2025-05-01“…Additionally, the objective function is improved to optimize both time and joint jerk simultaneously. …”
Get full text
Article -
1618
Hydrodynamic and sensitivity analysis of a polymeric calendering process for non-Newtonian fluids with temperature-dependent viscosity
Published 2025-08-01“…Additionally, using the response surface method, Nusselt number (Nu)(\text{Nu}), sheet thickness HH0\left(\phantom{\rule[-0.75em]{}{0ex}},\frac{H}{{H}_{0}}\right), and shear stress (Sxy)({S}_{xy}), simulations were carried out to investigate the influence of variable viscoelastic parameters on the response functions (Nu\text{Nu}, HH0\frac{H}{{H}_{0}}, and Sxy{S}_{xy}). …”
Get full text
Article -
1619
Optimization by RSM of reinforced concrete domes with meridian ribs, under static loading.
Published 2025-06-01“…Ultimately, a cost-oriented objective function is derived, incorporating a load-bearing capacity coefficient. …”
Get full text
Article -
1620
Estimation of Above-Ground Biomass for <italic>Dendrocalamus Giganteus</italic> Utilizing Spaceborne LiDAR GEDI Data
Published 2025-01-01“…The outcomes reveal that 1) the results showed that the power function emerged as the most efficacious model, with coefficient of determination (<italic>R</italic><sup>2</sup>) = 0.87 and root mean square error (RMSE) = 0.00051 Mg, in estimating the AGB of <italic>Dendrocalamus giganteus</italic>. 2) Based on the feature importance ranking of Random Forest, five variables were selected from the 40 extracted from GEDI, achieving RMSE = 8.21 Mg/ha and mean absolute error (MAE) = 6.12 Mg/ha. …”
Get full text
Article