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261
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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262
Epidemiological study on road traffic accidents in Al-Najaf city during 2011
Published 2012-12-01“…Deaths were not related to the number of RTA ( there is no relationship between deaths and the number of crashes but it depends on the severity of the crashes) and this need improving road safety legislations and putting them into action (speed limits, seatbelt laws, helmet laws) and education of people about the danger of speed and the importance of seatbelt wearing and proper and rapid hospital care. …”
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263
Temporal and spatial variation of PM2.5 in Antananarivo, the capital city of Madagascar
Published 2025-08-01“…Wind speed exhibits weak negative correlation with PM2.5, consistent with its role in particle dispersion. …”
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264
Photoalignment and photopatterning: New liquid crystal technology for displays and photonics
Published 2020-05-01“…In particular, we consider switches, controllers and polarization rotators, optical attenuators, switchable diffraction gratings, polarization image analyzers, liquid crystal lenses, and ferroelectric liquid crystal displays with increased operation speed. Conclusions. The liquid crystal photoalignment and photopatterning technology is a promising tool for new display and photonics applications. …”
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265
Reinventing the Trochoidal Toolpath Pattern by Adaptive Rounding Radius Loop Adjustments for Precision and Performance in End Milling Operations
Published 2025-05-01“…The back surface of the chip structure appears rough and jagged due to the shearing action.…”
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266
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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267
Numerical simulation of respirable dust transport law in fully mechanized excavation face
Published 2025-06-01“…When the air flow field is far away from the tunneling surface and without the obstruction of the tunneling machine, the airflow field diffuses and the wind speed decreases, but a large number of particles still float in the roadway for a long time and are difficult to settle due to the small particle size of the exhaled dust.…”
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268
The influence of the mode of engine operation of transport and technological cars on the beating at the coupling piston-cylinder
Published 2019-12-01“…Relocation or beating of the piston occurs due to the action of lateral force in the crank mechanism, which leads to an increase in friction forces and shock loads in conjunction with the sleeve. …”
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269
Presenting the agility model of the organization in order to improve the productivity of human resources
Published 2024-11-01“…One of the parameters proposed to increase flexibility, speed of action, and quality; is organizational agility. …”
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270
An Optimized Path Planning Method for Coastal Ships Based on Improved DDPG and DP
Published 2021-01-01“…Firstly, Long Short-Term Memory (LSTM) is used to improve the network structure of DDPG, which uses the historical state information to approximate the current environmental state information, so that the predicted action is more accurate. On the other hand, the traditional reward function of DDPG may lead to low learning efficiency and convergence speed of the model. …”
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271
Inhibitory Control Deficits in Children with Tic Disorders Revealed by Object-Hit-and-Avoid Task
Published 2021-01-01“…In children with tics (without comorbid ADHD), acting upon both targets and distractors suggests reduced ability to suppress responses to potential triggers for action. This may be related to increased sensorimotor noise or abnormal sensory gating.…”
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272
Deep Reinforcement Learning for Real-Time Airport Emergency Evacuation Using Asynchronous Advantage Actor–Critic (A3C) Algorithm
Published 2025-07-01“…Emergencies can occur unexpectedly and require immediate action, especially in aviation, where time pressure and uncertainty are high. …”
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273
Optimizing lipase production by Bacillus subtilis on cheese whey and evaluating its antimicrobial, antibiofilm, anti virulence and biosafety properties
Published 2025-04-01“…Partial purification through ammonium sulfate precipitation and dialysis increased partial purified lipase (PPL) activity by twofold and fivefold, respectively. …”
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274
Barriers and Facilitators of the Use of Computerized Critical Care Information Systems in the Intensive Care Unit: Qualitative Interview Study
Published 2025-08-01“…Resistance to using the system may arise from users due to increased control imposed by the system and from insufficient participation in its development and configuration. …”
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275
Use of ICT to Confront COVID-19
Published 2021-06-01“…</p><p style="text-align: justify;"><span>5G Technology</span></p><p style="text-align: justify;">In comparison to 4G, 5G is expected to have better performance in terms of higher speed, lower latency, wider range, increased availability, and more reliability. …”
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276
Optimization of Remote Backup Protection Coordination Logic Based on Dynamic Identification of Faulty Components in Transmission Grids
Published 2025-06-01“…The dynamic setting strategy significantly shortens the action delay of remote backup protection, thus considerably enhancing sensitivity and speed. …”
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277
Effect of Adsorption of Metal Elements Ni and V on the Structure of Humin
Published 2023-06-01“…The dried samples (numbered as HM-Ni and HM-V) and the original humin sample (numbered HM) are analyzed by element analyzer, X-ray photoelectron spectroscopy (XPS) and solid-state nuclear magnetic resonance carbon spectroscopy (13C-NMR).RESULTSThe results show that the elemental composition of humin is mainly C and O. After the action of Ni and V metal solutions, the relative contents of O and S elements in humin decrease, and the relative contents of C and N elements increase. …”
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278
Actor–Critic Reinforcement Learning for Throughput-Optimized Power Allocation in Energy Harvesting NOMA Relay-Assisted Networks
Published 2024-01-01“…In fifth-generation (5G) and beyond (B5G) communication systems, the growing number of connected devices and the increased traffic on the network lead to substantial energy consumption, which requires energy-efficient and high-speed communication solutions. …”
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279
Study on flame fractal characteristics of coal dust explosion at the decompression position of Hartmann tube
Published 2025-04-01“…When the particle size of coal dust is constant, the fractal dimension increases first and then decreases with the increase of concentration. …”
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280
Movement and distribution of particles in the tank of jet and agitation combined flotation machine
Published 2024-12-01“…The uniformity of particle distribution does not increase with the increase of impeller stirring speed, but there is an optimal impeller working parameter. …”
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