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241
Study and evaluation method of concrete erosion under a wind–sand flow load
Published 2025-12-01“…As the wind speed increases from 18 m/s to 30 m/s, the wind–sand flow pressure on the surface of the concrete specimen increases by 243.43 %, and the strength loss rate increases from 0.03 % to 9.34 %. …”
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242
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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243
STUCTURE OF PULSED BED
Published 2014-10-01“…The structure of pulsed layer is proposed which can be suggested as a state of particulates that is blown by intermittent gas flow with speed which has the force to start material moving. …”
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244
Federated deep reinforcement learning-based urban traffic signal optimal control
Published 2025-04-01“…The proposed method improves the model generalization ability of different local models during global cross-region distributed joint training under the premise of ensuring information security and data privacy, solves the problem of non-independent and homogeneous distribution of environmental data faced by different agents in real intersection scenarios, and significantly accelerates the convergence speed of the model training phase. By reasonably designing the state, action and reward functions and determining the optimal values of several key parameters in the federated collaboration mechanism, the RL model could ensure high learning efficiency and fast convergence in the face of the gradual increase of road network size and the exponential increase of state and action space with the number of intersections. …”
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245
Influence of Polygon Wheel on Dynamic Performance of Meter-gauge Locomotive
Published 2019-03-01“…At last, the change trend of wheel-rail vertical forces was studied under the joint action of polygon wheel and track excitation. The results showed that due to the low running speed of the meter-gauge locomotive, the polygon wheel will form low frequency vibration which will increase the vibration response of the car body; the polygon wheel will greatly increase the wheel-rail vertical forces, but it has little effect on the derailment coefficient; the wave depth limit is inversely proportional to the running speed of the locomotive and the harmonic order; the track excitation will not cover the trend caused by polygon wheel, but it will greatly increase the wheel-rail vertical forces. …”
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246
Prediction method of surface deformation around soft base dump based on viscoelastic theory
Published 2025-06-01“…A series of quantitative data is obtained through calculations and predictions of surface deformation on layered viscoelastic substrates under pile load actions in the discharging yard. It is observed that the settlement of piers around the discharging yard and the variation in settlement between neighboring piers gradually increase with time evolution, eventually reaching a stable state. …”
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247
Professional-applied physical training of future specialists in the oil and gas industry with the predominant use of the game method
Published 2025-02-01“…Physical fitness was assessed using motor tests that evaluated key motor qualities, including strength, endurance, speed, flexibility, and coordination abilities. …”
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248
Kinetics of Extraction of Dioscine from Vegetable Raw Materials in Vibrocavitation Homogenizer
Published 2020-05-01“…It was also found that the resistance to mass transfer inside particles increases significantly as it approaches the final stage of the process, and with an increase in the rotor speed, it increases, especially at the initial stage of the process, which is associated with the intensity of cavitation and the weakening of its effect as the process deepens inward particles.Conclusions. …”
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249
Risk-based Approach in Obtaining and Analysing the Characteristics of Baikal Skullcap Suspension Cultures
Published 2022-09-01“…As the amount of transplanted biomass decreased, cells showed a tendency to destruction. …”
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250
Modeling and Nonlinear Response of the Cam-Follower Oblique-Impact System
Published 2016-01-01“…The simulation results show that the cam and follower kept permanent contact when the cam rotational speed was low. With the increase of the cam rotational speed, the cam and follower would be separated and then impact under the gravity action. …”
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251
Aerosol forces mesoscale secondary circulations occurrence: evidence of emission reduction
Published 2024-12-01“…We found that the reduction in wind speed caused by aerosol feedback and related convergence and divergence of the air mass play a pivotal role in SCs evolution. …”
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252
Detecting and calibrating large biases in global onshore wind power assessment across temporal scales
Published 2025-04-01“…This discrepancy arises from the exponential decay of WPD with increasing ∆t, reflecting the intrinsic properties of wind speed distributions, particularly in regions with weaker winds. …”
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253
Study on mechanical properties of large deformation segmental cement-based honeycomb structure
Published 2024-11-01“…In addition, the RA-AF values show that the loading rate has little effect on the crack type, which is almost unchanged with the increase of loading rate. These studies verify the feasibility of using honeycomb structure to support roadway with fast deformation speed and large deformation. …”
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254
Rapid arc extinguishing of a double-ended electromagnetic air-blast segmented arc-extinguishing device
Published 2025-03-01“…The results show that the arc-extinguishing airflow maximum speed is up to 330 m/s. Arc-extinguishing airflow rapidly act on the arc from the upper and lower ends,under the action of high-speed airflow,the arc gradually thinned out to break the dynamic equilibrium. …”
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255
Modulation of Working Memory and Resting-State fMRI by tDCS of the Right Frontoparietal Network
Published 2021-01-01“…Modulation of cognitive speed of the task by tDCS was reflected by FPN-DMN cross-talk changes.…”
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256
CALCULATION OF LOADS ON THE CONTROLS WITH HELICOPTER MAIN ROTOR OF SINGLE-ROTOR DESIGN
Published 2016-11-01“…On the basis of the hinge moments values data loads on rotorcraft rotating ring, arising at different azimuthal location of the rotating main rotor blades are calculated.The calculations executed on the example of Mi-34 helicopter main rotor have shown that average loads in one revolution in the channel of collective pitch control increase in a control path at flying speed. At the same time loads in the channel of longitudinal control make up to 80 % of loads in the channel of collective pitch control, and in the channel oflateral control - to 40 % that will well be coordinated with the provided data of flight tests.…”
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257
Coating silicon catheters with the optimized and stable carotenoid bioproduct from Micrococcus luteus inhibited the biofilm formation by multidrug-resistant Enterococcus faecalis v...
Published 2025-08-01“…Submerged fermentation model validation using the M6 isolate (accession number of PP197163) revealed an increase in carotenoid production up to 6-fold (1.2 g/l). …”
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258
Born too soon: accelerating change to 2030 and beyond
Published 2025-06-01“…Everyone has a role to play. Increasing speed now, and sustaining progress, requires multi-level leadership including from grassroots movements led by parents and affected people through to heads of state. …”
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259
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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260
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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