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241
Corruption risks in COVID-19 vaccine deployment: lessons learned for future pandemic preparedness
Published 2025-03-01“…Abstract Background During the COVID-19 pandemic corruption risks were amplified in health systems globally, increasing health inequities within and between countries. …”
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242
Multi-stage process optimization and efficiency improvement for magnetorheological polishing of glass-ceramics
Published 2025-07-01“…The results show that the optimal MFC as follows: polishing time is 60 min, abrasive is cerium oxide, particle size is 1.5 μm, and pH = 9. Chemical action reduces the surface hardness, thereby increasing the material removal rate (MRR). …”
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243
An Improved Reinforcement Learning Algorithm for Cooperative Behaviors of Mobile Robots
Published 2014-01-01“…Reinforcement learning algorithm for multirobot will become very slow when the number of robots is increasing resulting in an exponential increase of state space. …”
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244
Dynamic Parameter Optimization and Experimental Study of Tuned Slab Damper on Metro Systems
Published 2019-01-01“…With the increase of axle weight and speed, the interaction between vehicles and the track becomes more and more intense, and the problem of wheel-rail dynamic action is more serious. …”
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245
Preparation and Evaluation of Lercanidipine HCl Nanosuspension to Improve the Dissolution Rate
Published 2025-02-01“… Lercanidipine HCl, a third-generation calcium channel blocker, blocks calcium entry into smooth muscle L-type calcium channels. This action leads to a decrease in blood pressure and induces peripheral vasodilation. …”
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246
Study of Enhancing Sludge Anaerobic Fermentation Performance by Nano Zero-valent Iron Synergized with Sodium Percarbonate
Published 2025-07-01“…The protein concentration first increased and then decreased with nZVI addition, while polysaccharides increased with nZVI addition. …”
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247
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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248
CONSIDERATION ABOUT A CONSERVACIONIST STUDY ABOUT THE MICRO BASINS HYDROGRAPHICS OF THE RIVERS DOS APERTADOS AND TRÊS BOCAS, NORTH OF PARANÁ – BRAZIL
Published 2005-05-01“…The identification of the different kinds of predominant vegetables informs, chiefly, about the level of soil protection, since the vegetation is responsible for the protection against the impacts of the raindrops (splash), by the reduction of the speed of surface outflow (runoff), through the increasing of the land ruggedness and greater soil structure constitution that may offer greater resistance to the action of the erosive processes. …”
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249
Effect of Warning System on Interactive Driving Behavior at Unsignalized Intersection under Fog Conditions: A Study Based on Multiuser Driving Simulation
Published 2020-01-01“…Compared to conditions without ICWS, the ICWS could help drivers make collision avoidance actions earlier and change the speed more smoothly. …”
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250
Scientific foundations of the movement of components of grain material with an artificially formed distribution of air velocity
Published 2022-03-01“…The regularities of the weevil movement were theoretically investigated and established in the form of mathematical models of the dynamics of the movement of a solid particle in airflow, which differ from the known ones by taking into account the action of lateral forces, the concentration of the material, and the use of a power-law and an artificially formed exponential law of air distribution facilitated to increase the differences (splitting) trajectories of caryopses by 20 %. …”
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251
Quantitative Evaluation for Reinforcement Effect of Auxiliary Steel Beams Based on Running Safety and Dynamic Response
Published 2021-01-01“…Compared with the previous speed (115.56 km/h), the speed is 132.73 km/h after the auxiliary steel beam reinforcement; at the same time, the allowable limit speed increases from 92.49 km/h to 106.18 km/h. …”
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252
Modeling of limitations on the use of hydraulic motor-wheels in transmissions of mobile machines
Published 2024-12-01“…Positive results were obtained in terms of increasing the speed of mobile machines when using hydraulic motor-wheels of radial piston multicycle action in transmissions instead of gerotor hydraulic motors, axial-piston hydraulic motors with planetary gearboxes, hydraulic transmissions with cardan shafts and mechanical transmissions. …”
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253
A Comprehensive Review of Various Topologies and Control Techniques for DC-DC Converter-Based Lithium-Ion Battery Charge Equalization
Published 2023-01-01“…Worldwide, electric vehicle (EV) sales are booming nowadays due to the rapid increase in the cost of fossil fuels. Lithium-ion batteries are very familiar in the EV industry because of their high energy per unit mass relative to other electric energy storage systems. …”
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254
Systematic video analysis of shoulder dislocations in professional male football (soccer): Injury mechanisms, situational and kinematic patterns
Published 2024-10-01“…Statistically significant differences between the two types were found in player action (p < 0.001) and type of contact (p = 0.005), while factors like player's speed, movement direction, football‐specific actions, ball possession and pitch location showed no statistically significant differences. …”
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255
Dynamic Responses of Soils around a One-Hole Double-Track Tunnel with the Metro Train Meeting
Published 2020-01-01“…When the wheels of two Metro trains act simultaneously, the peak compression strain increases superimposedly; when the act is out of sync, the peak compression strain occurs concentrated and significant increase does not occur. …”
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256
Modulation of Working Memory and Resting-State fMRI by tDCS of the Right Frontoparietal Network
Published 2021-01-01“…This result was linked to the magnitude of resting-state functional connectivity decreases between the stimulated FPN seed and DMN seeds. …”
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257
Robust Strategy Generation for Automatic Navigation of Unmanned Surface Vehicles through Improved DDPG Algorithm
Published 2024-01-01“…Second, we ensure the decision adaptability of the USV by constraining the extent of action change between adjacent time-steps by using a reward-function, which improves the USV-action smoothly. …”
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258
Dynamic Modeling and Analysis of Rolling Bearing with Compound Fault on Raceway and Rolling Element
Published 2020-01-01“…The influences of compound fault on the vibration signals of the bearing were analyzed under three conditions. With the increasing of radial load, defect size, and rotation speed, the vibration amplitude of bearing would increase correspondently, which would accelerate the failure rate of bearing and reduce the service life of bearing. …”
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259
Cut face roughness analysis under waterjet cutting
Published 2017-06-01“…Cutting is done by water and abradant mixture emitted from the nozzle at high speed and high pressure. Under the cutting jet action, the erosion damage of the material occurs, the abrasive particles remove the microchipping layer, and water evacuates them from the cutting zone. …”
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260
Evaluation of Mental Workload on Complex Missions Emergency Personnel NASA-TLX
Published 2015-12-01“…Conclusion: Results showed that the emergency medical personnel at the mission complex emergencies exposed to high mental load that the main reasons were caused of the need to high speed action, make important decisions, and fast transportation of injured persons to the medical centers. …”
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