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421
CFD Numerical Simulation of Biodiesel Synthesis in a Spinning Disc Reactor
Published 2015-03-01“…The effect of the upper disc’s spinning speed is evaluated. The results show that the rotational speed increase causes an increase of TG conversion despite the fact that the residence time decreases. …”
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422
Design, development, and testing of a cassava storage root-cutting robot utilizing a Stewart platform and mask R-CNN for precision agriculture
Published 2024-12-01“…Second, the optimal moving speed and the cutter's speed were determined. In the third step, the robot was integrated with computer vision technology. …”
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423
Mobile App–Induced Mental Fatigue Affects Strength Asymmetry and Neuromuscular Performance Across Upper and Lower Limbs
Published 2025-08-01“…These findings demonstrate that mental fatigue selectively impairs fine motor strength and cognitive processing speed, particularly reaction time, while gross motor power remains resilient. …”
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424
Study on Rheological Mechanism of Cement-Coal Gangue Cementitious Material (CGCM) Slurry
Published 2022-01-01“…The results show that the rheological law of the CGCM slurry conforms to the modified Bingham model, and the significant shear thinning occurs in the CGCM slurry at low-shear speed, and relatively weak shear thickening occurs in the CGCM slurry at high-shear speed; under the thermal activation temperature of 800°C, the pozzolanic activity of coal gangue reaches the highest, the hydration reaction is the fastest, and the initial fluidity of CGCM slurry at 800°C is the lowest; the plastic viscosity of CGCM slurry increases gradually with the increase of thermal activation temperature of coal gangue, and the yield stress of the CGCM slurry reaches the maximum at 800°C; the flow law of CGCM slurry has significant time-varying characteristics, and the plastic viscosity and yield stress of CGCM slurry increase gradually with the extension of hydration time. …”
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425
Study on the Characteristics of a Composite Power System with a Tip-Jet-Driven Rotor
Published 2025-01-01“…Tip-jet helicopters operate by utilizing the reaction force generated by a high-speed tip jet, offering advantages such as a simplified and compact fuselage design and a reduction in empty weight by eliminating anti-torque balancing equipment. …”
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426
Laser-induced spin dynamics in the iron-yttrium garnet film doped with Si ions
Published 2020-03-01“…A continuous increase in the volume of stored and processed data leads to stricter requirements for storage media. …”
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427
The prospects of biodegradable magnesium-based alloys in osteosynthesis
Published 2013-12-01“…Corrosion of the metal clips leads to the increase of the concentration of iron, chromium, nickel and titanium in the surrounding tissue. …”
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428
Autonomy in Conflict: Technology, Complexity, Ethics, and Policy Implications
Published 2025-01-01“…Key technological milestones include AI-powered systems, component miniaturization, and enhanced data processing capabilities, enabling autonomous systems to perform complex tasks with increased precision and speed. Autonomy provides substantial value for intelligence gathering, surveillance, and targeted strikes, significantly impacting modern conflicts and offering benefits such as reduced risk exposure, accelerating decision-making in time-critical operations, enhanced precision, speed, persistence, endurance, and scale. …”
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429
Comparison of Hip and Low Back Loads between Normal Gait, Axillary Crutch Ambulation and Walking with a Hands-free Crutch in a Healthy Population
Published 2021-12-01“…Gait speed, hip and trunk range of motion, and hip and low back reaction forces, were compared using repeated-measures ANOVA…”
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430
Influence of selected cognitive performances on musculoskeletal injury occurrence in adult male professional Slovenian PrvaLiga football players in a prospective cohort study
Published 2025-08-01“…Cognitive functions assessed by computerized tests (PsyToolkit) included psychomotor vigilance (simple, choice reaction time) and visuospatial memory (Corsi-block-tapping-test), while pen-and-paper tests assessed motor speed, visual scanning, and executive functions (TMT; Delis-Kaplan-Executive-Function-System). …”
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431
Modulatory mechanisms of long-term volleyball practice on visuospatial working memory capacity: an fNIRS study
Published 2025-03-01“…Results Compared with the novice group, the experts showed a higher accuracy rate (ACC) (p = 0.021) and shorter reaction time (RT) (p = 0.019) in the visuospatial working memory test. fNIRS data showed increased oxygen activation in the right dorsolateral prefrontal lobe (p < 0.05) and the right frontal region (p < 0.05). …”
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432
Numerical Analysis of The Effect of Hydrodynamics and Operating Conditions on Biodiesel Synthesis in a Rotor-Stator Spinning Disk Reactor
Published 2017-06-01“…However, increasing rotational speed of spinning disk leads to more backflow, which decreases TG conversion. …”
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433
Mathematical model of controlled vane hydraulic shock absorber
Published 2023-11-01“…Method of calculation is proposed and theoretical studies are performed on influence of change of volume flow rate of working medium of shock absorber in MR throttle on forces of resistance to rotation on shaft of shock absorber blade.The results of theoretical research. 1) Results of theoretical studies of change of volume flow rate of working medium of controlled hydraulic blade shock absorber are presented. 2) An adequate mathematical model is obtained that is suitable for calculating the characteristics of controlled (adjustable) hydraulic vane shock absorbers, where magnetorheological fluid is used as the working medium of the shock absorber, as well as for selecting control action in the control system. Conclusion. The results of the study are intended for organizations and enterprises engaged in the development and production of heavy high-speed tracked vehicles.The results of the studies can be used to refine the methodology for estimating the smoothness of the heavy high-speed tracked vehicles.…”
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434
The Neuromusculoskeletal Modeling Pipeline: MATLAB-based model personalization and treatment optimization functionality for OpenSim
Published 2025-05-01“…An NMSM Pipeline use case is presented for an individual post-stroke with impaired walking function, where the goal was to predict how the subject’s neural control could be changed to improve walking speed without increasing metabolic cost. First the Model Personalization toolset was used to develop a personalized neuromusculoskeletal model of the subject starting from a generic OpenSim full-body model and experimental walking data (video motion capture, ground reaction, and electromyography) collected from the subject at his self-selected speed. …”
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435
Use of a hand-worn accelerometer to measure hand differences in Grooved Pegboard Test
Published 2024-12-01“…The study revealed that, in the less complex task, the right hand outperformed the left hand in execution speed, whereas the left hand demonstrated faster reaction times in the more complex task. …”
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436
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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437
Evaluating the impact of neurophysiological fatigue patterns on tactical decision-making in elite football players using wearable EEG technology
Published 2025-07-01“…Decision-making was assessed via a validated 40-scenario video-based tactical test measuring accuracy (%) and reaction time (ms). Results: Post-fatigue, frontal theta increased by 45% and the theta/alpha ratio by 47% (both p < 0.001), while decision accuracy declined by 15% (p = 0.004) and reaction time slowed by 18% (p = 0.002). …”
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438
Operative Therapy Practices in Tubercular Patients with Bone and Joint Effects of Different Etiologies
Published 2019-01-01“…A decrease in the number of patients with tuberculosis of the bone system coincides with an increase in the number of indications and methods for operational treatment. …”
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439
A new method for the synthesis of 4-aminobenzoic acid – an intermediate for the production of procaine
Published 2022-08-01“…The addition of potassium bromide to the solution reduced the concentration of the catalyst by seven times and increased the reaction rate and yield of 4-nitrobenzoic acid to 95.6 %. …”
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440
Semi-automated modeling of combined stained glasses
Published 2022-06-01“…To form an algorithm of actions based on classical stained glass technology using specialized modeling tools to create a project for a combined stained glass canvas. …”
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