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161
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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162
Kinematic analysis of the back squat at different load intensities in powerlifters and weightlifters
Published 2024-10-01“…., 60%, 70%, 80%, 90%, 100%) of the 1-RM. An action camera recorded the execution of each BS trial in the sagittal plane and, afterward, the videos were analyzed by measuring the range of motion (ROM) of hip, knee, and ankle for the angular kinematics, and the timing, distances, speeds, and accelerations of the barbell for the linear kinematics.ResultsRegarding the angular kinematics, no significant differences were found in the parameters in the starting and ending positions among the 5 trials, while a significant decrease was found in the hip relative angle (p = 0.026) in the maximum flexion position as load intensity increased. …”
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163
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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164
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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165
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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166
The response characteristics and stability evaluation of vegetated slope under strong wind
Published 2024-11-01“…At wind forces ≥ 13 (typhoon: 37.0–41.4 m/s), vegetation exerts a negative influence under the combined action of strong wind loads. (2) Based on the experimentally determined evolution of soil strength parameters, a formula c (v, w) was fitted to express the variation of cohesion with wind speed (v) and moisture content (w). (3) The optimized evaluation model demonstrates increased sensitivity compared to the traditional model, resulting in a 17.88% increase in sliding force and a 10.62–11.64% increase in anti-sliding force. …”
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167
Methodology for Managing Financial Resources in Credit Institutions
Published 2018-10-01“…The current state of credit and banking sector is characterized by high competition between credit institutions, taking place in context of increasing business volatility. To maintain competitive advantages, credit institutions have constantly to new conditions - to create new services and products, to continuously enhance efficiency, to introduce innovations. …”
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168
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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169
Industrial multi-machine data aggregation, AI-ready data preparation, and machine learning for virtual metrology in semiconductor wafer and slider production
Published 2025-06-01“…Smart Manufacturing is rooted in AI, Machine Learned (ML), and Data Synchronized (DS) modeling to tap into invaluable operating data. By making data actionable at larger scales, SM opens new ways to increase productivity, precision, and process performance. …”
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170
Non-Uniform Thermal Transfer of Molten Steel and Its Effect on Inclusion Particles Removal Behavior in Continuous Casting Tundish
Published 2025-02-01“…While the inlet temperature is lower, the horizontal stream cannot be maintained, resulting in a decrease in the removal rate of inclusions. Increasing the casting speed will increase the velocity of the molten steel in the tundish, make it easier to shorten the temperature difference between the inlet and outlet, and reduce the removal rate of inclusions. …”
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171
Vibration Reduction Effect of Steel Spring Floating Slabs under Water Immersion Conditions
Published 2024-12-01“…The isolator stiffness and train speed affecting the vibration reduction performance of the water-immersed floating slab under train load action is analyzed. …”
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172
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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173
Deep deterministic policy gradient algorithm based on dung beetle optimization and priority experience replay mechanism
Published 2025-04-01“…The results showed that the improved method improved the convergence speed by at least 10% compared with the comparison algorithm, and the cumulative reward value was increased by up to 150.…”
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174
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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175
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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176
A Review on the Friction Stir Brazing for Joining Dissimilar Materials
Published 2022-12-01“…Sound interfacial bonding can be observed in the central zone of FSBed joints, where intermetallic compounds (IMCs) can be formed by direct diffusion among the dissimilar workpieces after extrusion of liquid phase rather than by mechanical mixing or solidification of braze material. Increasing the transverse speed at a constant rotational speed has an influence on the peak temperature, but it remarkably reduces the holding time owing to the increased cooling rate. …”
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177
In Vitro Reporter Assays for Screening of Chemicals That Disrupt Androgen Signaling
Published 2014-01-01“…Androgen or male hormones are critical for the development and maintenance of male characteristics and numerous EDCs exist in the environment with the potential to disrupt androgen action. The threat is more during critical developmental windows when there is increased sensitivity to these compounds. …”
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178
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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179
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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180
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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