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121
Features of ignition and combustion of low-grade coal mixed with pyrolysis liquid
Published 2024-04-01“…It was found that an increase in the concentration of the additive in the mixture leads to a stable decrease in the ignition delay times, while the amount of gas-phase products formed varied additively with respect to the composition of the mixture. …”
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122
Integration of Hash Encoding Technique with Machine Learning for Employee Turnover Prediction
Published 2025-06-01“…Employee turnover refers to the replacement of employees within an organization, which can lead to losses such as recruitment costs and decreased productivity. Predicting turnover is crucial for companies to anticipate and take appropriate actions to retain potential employees. …”
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123
Research and development of material feeder of drum type shredder
Published 2016-02-01“…Thus a louver baffle fitted to the end of a material feeder decreased losses by 9 percent.…”
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124
A Novel Variable-Order Threshold Serial Belief Propagation-Based Decoding Algorithm for LT Codes
Published 2025-01-01“…In addition, by introducing an adaptive threshold for correcting check node information, the algorithm effectively eliminates redundant update actions throughout the decoding process. Simulation results demonstrate a 63.6% reduction in iteration count compared to BP for long-length codes at medium to high signal-to-noise ratio (SNR) and a 17.4% decrease in computational overhead. …”
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125
Postural sway serves as a predictive biomarker in balance and gait assessments for diabetic peripheral neuropathy screening: a community-based study
Published 2025-06-01“…Participants with DPN demonstrate increased postural sway velocity and total path length, along with reduced gait speed, shorter stride length, and decreased range of motion in hip flexion and extension. …”
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126
Intersection decision making for autonomous vehicles based on improved PPO algorithm
Published 2024-12-01“…First, the Self‐Attention Mechanism (SAM) is introduced into the algorithmic framework to quickly identify the surrounding vehicles with a greater impact on the ego vehicle from different perspectives, accelerating data processing and improving decision quality. Second, an invalid action masking mechanism is adopted to reduce the action space, ensuring actions are only selected from feasible sets, thereby enhancing decision efficiency. …”
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127
Local Linear Wavelet Neural Network–Based Unscented Kalman Filter for Vehicle Collision Estimate Warning System and Ensuring Stable Vehicle-to-Infrastructure Communication
Published 2024-01-01“…These alerts can warn the driver of impending collisions with distant objects, enabling them to take appropriate evasive action. By implementing this integrated LLWNN-UKF approach leveraging sensor data and V2X communication, we aim to reduce the number of collisions caused by reckless driving, which will lead to a decrease in traffic-related fatalities and injuries.…”
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128
Multi-objective trajectory planning for connected and autonomous vehicles in mixed traffic flow
Published 2025-06-01“…Here, we design the state space, action space, and reward function, where the state space encompasses variables such as speed, relative speed, distance to the stop line, relative position, phase state, and remaining phase duration, and the action space outputs optimal acceleration and deceleration. …”
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129
Characterizing the state of heart rate autonomic regulation and EEG in elderly women with falls syndrome
Published 2022-12-01“…Conclusion ― A deterioration in the quality of performing complex motor actions and a decrease in postural control in elderly women with falls syndrome were which may have caused their postural instability. …”
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130
A Swing-Assist Controller for Enhancing Knee Flexion in a Semi-Powered Transfemoral Prosthesis
Published 2024-01-01“…The experiments demonstrate that the proposed controller increases peak knee angle and minimum toe clearance during swing phase without increasing hip compensatory actions, relative to the users’ daily-use devices.…”
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131
Comparison of Empirical and Reinforcement Learning (RL)-Based Control Based on Proximal Policy Optimization (PPO) for Walking Assistance: Does AI Always Win?
Published 2024-11-01“…Results showed that both controllers reduced hamstring muscle activation and improved the preferred walking speed, with the empirical controller also decreasing gastrocnemius muscle activity. …”
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132
The influence of pulse current on drop transfer during double-electrode gas surfacing
Published 2025-06-01“…It was found that the common drop under the action of electrodynamic forces acquires centripetal acceleration, which contributes to its directed transfer to the weld pool and allows minimizing the amount of spatter on the surface of the base metal. …”
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133
The study of the isolated power supply system operation with controlled distributed generation plants, energy storage units and drive load
Published 2022-01-01“…It is advisable to conduct further studies to coordinate the actions of the control system of the electric energy storage unit and the auto-prognostic speed controller of the distributed generation plant.…”
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134
The ways of improvement special physical training of high-qualified women volleyball players in competitive period of annual macrocycle
Published 2018-02-01“…The strongest correlation relationship was the level of general physical fitness with: the level of general and hopping endurance; the level of development of jumping; special dexterity; special endurance; speed and strength of hands. As part of corrective modules, the training load of aerobic-anaerobic direction was increased. …”
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135
Experimental research of single - rotor helicopter unintentional yaw rotation
Published 2020-04-01“…Helicopter yaw trim inability occurs at negative sideslip angles because of tail rotor thrust decrease due to the incoming airflow blowing which decreases the blades angles of attack and worsens helicopter airframe aerodynamic moment that coincides in direction with main rotor torque if helicopter airframe possesses directional stability. …”
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136
Simulation of mixed flow characteristics of distiller′s grains-wastewater for anaerobic fermentation
Published 2024-12-01“…The simulation results showed that the slurry inside the curved blade at the top of the rotor reached a maximum velocity of 48.06 m/s and gradually decreased to zero along the radial direction. Due to the rotor's high-speed rotation, a high-pressure zone and a low-pressure zone were formed on each side of the rotor, with a maximum working pressure of 0.306 MPa. …”
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137
Changes in air quality in Poland in 2020 in the context of the COVID-19 pandemic: spatial and seasonal analysis
Published 2025-08-01“…The analysis results indicated an evident reduction in pollutant concentrations in 2020 compared to 2019. This decrease was especially noticeable during lockdowns, when transport, industry and other emission sources faced restrictions. …”
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138
Application of a Frequency Converter in Electric Automatic Control of Central Heating
Published 2022-01-01“…The experimental results show that the temperature control strategy using a frequency converter automatic compensation method reduces the energy waste caused by manual regulation to a certain extent. When the speed of a water pump motor decreases to 4/5 of the original, the power consumption will decrease to about 52% of the original and save about 48% of the power; When the speed drops by 3/5, the power consumption is about 22% of the original, saving about 78% of the power. …”
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139
New Possibilities In The Study Of Coastal Upwellings In The Southeastern Baltic Sea With Using Thermistor Chain
Published 2019-07-01“…The temperature decreasing caused by the simultaneous action of at least two factors: wind-driven Ekman upwelling and advection of cold water. …”
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140
Legal Challenges of Marine Insurance Laws in the Use of Unmanned Ships
Published 2025-03-01“…These include significant cost reductions in transportation, fewer accidents and collisions attributable to human error, enhanced operational speed, and minimization of idle times. Furthermore, these vessels promise lower operational costs, optimized ship designs, increased cargo capacity, reduced fuel consumption, and consequently, a substantial decrease in environmental pollutants. …”
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