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6661
Research on adaptability of fracturing technologies for CBM horizontal wells based on the viewpoint of “unblocking and channeling”
Published 2025-05-01“…Horizontal well fracturing stimulation is currently the most core technical means to achieve efficient development of unconventional coalbed methane resources. …”
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6662
Diseño óptimo multiobjetivo y planificación del proceso de fabricación (CAD/CAPP) de redes de conductos de climatización // Optimal design and planning of the manufacturing process...
Published 1999-01-01“…<br />The system we now introduce is able to carry out the optimum automated design of the pipelines used for room air<br />conditioning, through the analysis and evaluation of the main criteria that determine the efficiency of the installation. Among<br />these are the production costs and power consumption.…”
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6663
Komparasi Machine Learning Berbasis Pso Untuk Prediksi Tingkat Keberhasilan Belajar Berbasis E-Learning
Published 2023-04-01“…While the attributes that have an influence to determine the algorithm on the level of accuracy are Practice Questions, Quizzes, Mid-Semester Exams, and Final Exams. it is evident from our previous studies that the PSO-based neural network algorithm does have a very good advantage. based on ANN is a method that has calculations that build several units of interconnected connectivity, the ANN method with predictive accuracy can be an efficient and good tool for forecasting and classification research in the field of education. …”
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6664
Construction and application of a TCN-LSTM-SVM-based time series prediction model for water inflow in coal seam roofs
Published 2025-06-01“…BackgroundThe accurate prediction of mine water inflow plays a significant role in the prevention and control of water hazards and the safe and efficient production in coal mines. MethodsTo construct a prediction model of water inflow in mines under threat of water hazards from extremely thick sandstones aquifer in West China, this study investigated a typical mine (also referred to as the studied mine) severely affected by such water hazards in the Binchang mining area of Shaanxi Province. …”
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6665
Traffic environment perception algorithm based on multi-task feature fusion and orthogonal attention
Published 2025-06-01“…Addressing these concerns is critical for enhancing the overall safety and efficiency of autonomous systems navigating complex traffic environments. …”
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6666
Removal of trihalomethanes from activated Napier grass-derived adsorbent using liquefied gas and chemical pretreatment
Published 2025-04-01“…Besides, this work aimed at improvement of efficiency and decrease costs associated with the removal of trihalomethanes.METHODS: The application of chemical pretreatments with sodium hydroxide, phosphoric acid, and ferric nitrate resulted in the generation of an adsorbent obtained from Napier grass. …”
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6667
Abstract 054: Transradial Thrombectomy Using "Sheathless PV" Guide Catheter in Armenia: Three‐Year Institutional Experience in 103 Cases
Published 2023-11-01“…It offers numerous advantages and stimulated development of long flexible large lumen guiding catheters as well as adoption of existing cost‐efficient alternatives used in cardiac and peripheral interventions (2,3). …”
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6668
Solvatochromic Parameters of Four Amines in Propane-1,3-diol at 298.15 K
Published 2025-03-01“…While the polarity of the solvent plays a critical role in determining which amines efficiently capture CO<sub>2</sub>, the heat capacity of the solvent is also a significant factor in the regeneration process. …”
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6669
Gestational Diabetes Management and Outcomes in South Jordan: Metformin Alone vs. Metformin-Insulin Therapy, A Retrospective Cohort Study
Published 2024-11-01“…The primary goal was to develop an efficient management system that reduces hospital admissions and improves outpatient care for pregnant women with diabetes. …”
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6670
Material Visual Perception and Discharging Robot Control for Baijiu Fermented Grains in Underground Tank
Published 2024-12-01“…Finally, a digging motion control method is proposed and experimentally validated for feasibility and operational efficiency.…”
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6671
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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6672
Locked Rotor Fault Analysis in Dual Rotor Wound Field Flux Switching Generator for Counter-Rotating Wind Turbine Application
Published 2025-05-01“…An integrated mathematical and electromagnetic modelling of the generator characteristics performance comprising torque quality, output power, efficiency and power factor are undertaken, based on the finite element method (FEM) under fault conditions. …”
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6673
Design and Experiment of a Single-Disk Silage Corn Harvester
Published 2025-03-01“…The aim of this paper is to improve the harvesting efficiency of silo maize, ensure the quality of the silage and reduce the loss of nutrients. …”
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6674
TiO2–ZnO functionalized low-cost ceramic membranes from coal fly ash for the removal of tetracycline from water under visible light
Published 2025-01-01“…Moreso, the functionalized membrane was found to be stable with 73% degradation efficiency after 5 consecutive cycles of reusability study, showing negligible loss of efficiency. …”
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6675
Performance Evaluation of a Photovoltaic-Thermal Collector Coupled Stepped Solar Still for Indian Climatic Conditions
Published 2022-01-01“…The present study focuses on the theoretical modeling of the PVT-SSS desalination system for evaluating thermal efficiency, energy efficiency, freshwater productivity, and electrical power generation. …”
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6676
Electrochemical and computational investigation of Cicer arietinum extract as renewable and environmentally green corrosion inhibitor for aluminium in acidic environment
Published 2025-07-01“…Furthermore, the Density Functional Theory (DFT) method determined the quantum chemical parameters. …”
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6677
Rational use of broiler chicken by-products and coagulated melange in the production of pates for healthy nutrition of the population of the regions of the Russian Federation
Published 2025-01-01“…The content of proteins, fats, carbohydrates, iron in the developed pates and their energy value are determined by the calculation method.…”
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6678
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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6679
Optimizing relay node selection in cooperative wireless body area networks with modified POA
Published 2024-12-01“…The proposed strategy integrates the Decode-and-Forward (DF) relay protocol to significantly enhance communication efficiency and reliability. The proposed method is assessed in comparison with other relay selection techniques through a Bit Error Rate (BER) analysis, evaluating the effectiveness of each approach across different Signal-to-Noise Ratio (SNR) scenarios. …”
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6680
Research on the Magnetorheological Finishing Technology of a High-Steepness Optical Element Based on the Virtual-Axis and Spiral Scanning Path
Published 2024-09-01“…For aspheric optical elements whose steepness exceeds the machining stroke of the equipment, there is still no better method to achieve high-precision and high-efficiency error convergence. …”
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