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8501
Improvement of the Burden Column Structure by Controlling the Multicomponent Burden Loading Mode into the Blast Furnace
Published 2023-05-01“…To achieve this goal, a new method has been developed for determining the coordinates of the lines of softening and melting of the burden based on information about the gas temperature above the surface of the charge and the characteristics of the distribution of burden materials, a criterion for the technological assessment of the cohesive zone has been proposed, and the relationship between its thickness and the distribution of the burden has been studied. …”
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8502
Hazelnut shells and rice husks activated biochars for the adsorption of atrazine and terbuthylazine
Published 2025-04-01“…These biomasses, recognized as agricultural wastes from high-yield crops, undergo a 2-step processing method: initial slow pyrolysis at 700 °C, followed by physical activation using steam at 850 °C. …”
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8503
Analysis of Factors Influencing the Development of Community-Based Tourism in Rural Areas, Case Study: Villages Targeted by Tourism in the Markazi Province
Published 2024-01-01“…To determine the research samples, the purposeful and snowball sampling methods were used and the sampling was done in a period of 2 months. …”
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8504
Coverage Path Planning Using Actor–Critic Deep Reinforcement Learning
Published 2025-03-01“…Our findings demonstrate that actor–critic methods can produce policies capable of guiding a robot to efficiently explore and cover new environments.…”
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8505
Characteristics and Mechanisms of Simultaneous Quinoline and Ammonium Nitrogen Removal by a Robust Bacterium <i>Pseudomonas stutzeri</i> H3
Published 2025-03-01“…Therefore, the pressing need for an effective treatment method has become increasingly evident. A robust bacterium <i>Pseudomonas stutzeri</i> H3 capable of simultaneous organic and inorganic nitrogen removal was isolated from the activated sludge in the coking wastewater treatment system. …”
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8506
Reduction of Ascites Susceptibility in Broiler Chickens under Cold Stress by Guanidinoacetic Acid Supplementation
Published 2025-03-01“…Therefore, the aim of this study is to investigate the effects of replacing different levels of guanidinoacetic acid with arginine on performance, carcass characteristics, susceptibility to ascites, and some blood parameters of broilers reared under cold stress conditions.Materials and Methods: A total of 200 male Ross 308 broiler chicks with an average weight of 42 ± 1.5 g were used. …”
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8507
Predicting the Permeability of Pervious Concrete Based on the Beetle Antennae Search Algorithm and Random Forest Model
Published 2020-01-01“…The results showed that the hyperparameters of RF can be tuned by the BAS efficiently; the BAS can combine the conventional RF algorithm to construct the evolved model to predict the permeability of pervious concrete; the cement/aggregate ratio was the most significant variable to determine the permeability, followed by the coarse aggregate proportions.…”
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8508
Operation Optimization Strategy of Commercial Combined Electric Heating System Based on Particle Swarm Optimization Algorithm
Published 2023-02-01“… In order to improve the energy efficiency of the electric heating system, a particle swarm optimization (PSO, Particle Swarm Optimization)-based operation optimization strategy for the direct storage combined electric heating system is proposed.A mathematical model of influencing factors inside and outside the walls of electric heating buildings is established, and the simulink toolbox in matlab is used to build the overall system under the premise of determining the quantity of electric heating.Combining demand response ideas, the objective function is to establish the minimum heating and electricity cost of the user, and different sub-modules are selected to form the control module to achieve simulation verification, and the inverse cosine method is used to update the improved particle swarm algorithm to update the learning factor to solve the set objective function.Finally, through a calculation example of electricity consumption data of an enterprise in Jinan, Shandong, comparing energy consumption and economy can be obtained: the total energy consumption throughout the day is lower than the actual energy consumption, and the electricity bill is reduced by 17.16% compared with the unoptimized time.…”
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8509
Double Contour Thermodynamic Cycle with Unidirectional Heat Transfer between the Refrigeration and the Energy Cycle
Published 2019-12-01“…The most important results are the determination of the area of advantages of a heat activated cooler with RCHP over traditional builders heat activated cooler, which corresponds to the possibility of utilizing waste heat with a potential of 130 – 170 ºС, definition reserves for improving the characteristics of a cooler with RCHP, identifying significant quantitative and qualitative changes in the ratio of thermal equiva-lents of RHE, their correlations with cooler thermodynamic efficiency levels according. …”
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8510
ResNet-Driven Joint Decision-Making for VVC Optimization via Gradient Search
Published 2025-01-01“…In the second component, we introduce an intra-mode selection algorithm based on gradient descent, which utilizes block gradient features to optimize and determine the final intra-prediction mode. Experimental results demonstrate that the proposed algorithm significantly reduces encoding time by 53.17%.At the same time, the BD-BR only increases by 1.38%, showcasing an optimal trade-off between video quality and encoding efficiency.…”
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8511
Robust Photovoltaic Power Forecasting Model Under Complex Meteorological Conditions
Published 2025-05-01“…To effectively mitigate these limitations, this work proposes a dual-stage feature extraction method based on Variational Mode Decomposition (VMD) and Principal Component Analysis (PCA), enhancing multi-scale modeling and noise reduction capabilities. …”
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8512
Key Generation in Cryptography Using Elliptic-Curve Cryptography and Genetic Algorithm
Published 2023-12-01“…The exploration of key size and search space may assist in understanding the security implications and computational complexity associated with the proposed method. Overall, the ECC-GA approach opens avenues for further research in innovative key-generation techniques for modern cryptographic applications.…”
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8513
PERFORMANCE OF KACANG GOATS SUPPLEMENTED WITH BAUHINIA PURPUREA IN COMPLETE FEED
Published 2025-06-01“… This research aims to determine the effects and limitations of using B. purpurea in complete feed on the performance of male Kacang goats. …”
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8514
The Effect of Tip Clearance Kaplan Ducted Propeller in Offshore Supply Vessel (OSV) on Hydrodynamics
Published 2024-10-01“…In this study, numerical simulations using the Computational Fluid Dynamics (CFD) method were carried out to determine the effect of tip clearance on thrust and torque on a ducted propeller with a MARIN foil 19A nozzle type and tip clearance of 10 mm, 20 mm, and 30 mm. …”
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8515
Simulation and Research Methodology for the Process of Conveying Bulk Materials by Screw Conveyors
Published 2025-01-01“…However, there is no validated methodology for simulation and evaluation of the efficiency of bulk material movement by screws conveyors, which would allow determining the most optimal design variant at the design stage. …”
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8516
Jointly Optimized Placement of Application VM and VNF in NFV Based Data Center
Published 2024-01-01“…One of the key challenges that data centers have been facing is how to efficiently place VMs to ensure the application performance and improve the resource efficiency of data centers. …”
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8517
The Effect of Hydraulic Partitioning on Prediction the Rate of Bed Load Transport in Gravel-bed Rivers using Support Vector Machine
Published 2019-03-01“…Since intelligent methods are applied for various rivers with different flow conditions, it is necessary to evaluate the accuracy of these methods in quantification of bed load under varied hydraulic conditions. …”
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8518
Experimental Study on Optimal Clean Air Delivery Rate Filter Thickness of Indoor Air Purifiers
Published 2024-12-01“…CADR was calculated via the single-pass method. Results indicate that filtration efficiency increases with thicker filters; however, the optimal CADR is achieved at a specific filter thickness. …”
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8519
Estimating Aircraft Power Requirements: A Study of Electrical Power Demand Across Various Aircraft Models and Flight Phases
Published 2024-11-01“…Using existing literature methods, this study aims to identify the essential variables for estimating the magnitude of power consumption. …”
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8520
Dynamic model of a harvester equipped with a rope anchor system during logging operations on a steep slope
Published 2024-09-01“…A system of 35 differential equations constructed using the Lagrange’s equation was solved by the 4-th-order Runge-Kutta method. For this purpose, a computer program has been developed, the description of which is contained in the article. …”
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