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81
Effect of Heating Rate on the Dynamic Compressive Properties of Granite
Published 2019-01-01“…The microscopic morphological features were obtained by scanning electron microscopy (SEM), and the crack propagation was determined by high-speed video camera. The experimental results show that the dynamic compressive strength and elastic modulus both show an obvious trend of a decrease with the increasing heating rate and temperature; the opposite phenomenon is observed for the peak strain. …”
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82
Threshold Effects, Sacrifice Ratio and Government Debt The Smooth Transition Regression Approach
Published 2024-09-01“…In fact, trade openness may shift some of the inflationary pressure to the balance of payments, resulting in lower average increases in the general price level. The positive effect of increasing speed of reducing inflation, in the second regime has led to an increase in the sacrifice ratio. …”
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83
O imprescindível acesso à internet no campo: a capilarização da informação no Brasil e na França
Published 2024-06-01“…With the advent of the IoT, the pace of data growth and its speed have increased exponentially, requiring rural establishments and each production stage to be connected to telecommunications networks. …”
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84
Control of an Electrical Vector Drive of a Mechanical Variable Masses’ System
Published 2019-06-01“…It was shown that using the existing PI-regulators of speed and current and their settings, the speed dynamic error was found to be as high as 21% at a regulating action, whereas during the disturbing action it was 8%. …”
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85
Non-Contact Fall Detection System Using 4D Imaging Radar for Elderly Safety Based on a CNN Model
Published 2025-05-01“…A CNN model classifies postures into standing, sitting, and lying, while changes in the speed and position distinguish falling actions from lying-down actions. …”
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86
Frequency-specific changes in prefrontal activity associated with maladaptive belief updating in volatile environments in euthymic bipolar disorder
Published 2025-01-01“…Additionally, we examined if this increased expectation speeds up belief updating in decision-making, associated with modulation of rhythmic neural activity within the prefrontal, orbitofrontal, and anterior cingulate cortex (PFC, OFC, ACC). …”
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87
Calculation of specific operating modes of relay protection for AC traction networks
Published 2020-09-01“…Relay protection of traction networks against short-circuit currents in alternating current sections should have both selectivity and speed. However, in areas with an increased probability of burnout of contact wires during a short circuit, selectivity is often put away to increase the speed of response. …”
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88
Specifics of the Algorithmic Prescriptions in the Learning Process of the Gymnastics Exercises’ Techniques
Published 2025-03-01“…When dividing a whole into constituent parts, it is necessary that they be classified or arranged according to their common characteristics, such as the movement of certain segments in the same direction, with the same mode of symmetry, speed, amplitude, the increasing order of the degree of difficulty, etc., which allow the identity of the phases and their positive transfer by extrapolation on other actions and, obviously, which does not contradict the physiological and psychological-pedagogical mechanisms of motor skills formation. …”
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89
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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90
The influence of special physical fitness of athletes on the level of technique of playing beach volleyball
Published 2021-12-01“…Significant (p <0.05) development of explosive power, speed and agility was revealed. There is a significant (p <0,05) increase: in the number of jump serve and spike; improving the quality/number of serve and attack; improving the quality of passing and the number of blocks. …”
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91
Back Propagation Neural Network-Based Predictive Model for Magnetorheological–Chemical Polishing of Silicon Carbide
Published 2025-02-01“…The results show that with increasing abrasive particle size, hydrogen peroxide concentration, workpiece rotational speed, and polishing disc rotational speed, the MRR first increases and then decreases. …”
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92
System modelling and characteristic research of novel high water-based synchronous lubrication piston pump
Published 2025-05-01“…The results show that the proposed synchronous lubrication method can produce lubricating oil in the lubrication chamber with increasing speed. With the increase of pump speed, the thickness of slipper auxiliary film decreases, and the extension of static pressure action time causes the increase of leakage. …”
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93
The program of physical training of servicemen to a qualification examination on the right to wear the “Beret with honors”
Published 2018-12-01“…Results: Use of the author's technique in 21 days of training allowed: to increase the level of the general endurance by 11,5%, the level of power endurance by 4,2%, the level of high-speed and power abilities and dexterity by 9,9%; the level of preparedness for aimed fire by 17,3%. …”
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94
Structural Dynamic Response of a Shield Tunnel under Aircraft Taxiing Load
Published 2021-01-01“…The results show that the transverse displacement and acceleration response of tunnel segment exhibit evident time-space effect under the action of aircraft taxiing load. The transverse displacement and arch waist acceleration of the shield segment increase first and then decrease. …”
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95
Automated home-cage-like monitoring for assessing innate behaviors in a murine hangover model
Published 2025-08-01“…Results showed a significant reduction in mobile behaviors (climbing, locomotion, rearing), speed, and distance traveled, along with increased immobility in both exploratory and long-term home-cage-like assessments. …”
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96
Is Brazil reaching malaria elimination? A time series analysis of malaria cases from 2011 to 2023.
Published 2024-01-01“…Trend analysis indicated a decreasing trend in all malaria infections since late 2017 (monthly reduction = 0.81%, p-value <0.05), while Pf infections have increased progressively since 2015 (monthly increase = 0.46%, p-value <0.05). …”
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97
Intersection decision making for autonomous vehicles based on improved PPO algorithm
Published 2024-12-01“…Abstract The deployment of autonomous vehicles (AVs) in complex urban environments faces numerous challenges, especially at intersections where they coexist with human‐driven vehicles (HVs), resulting in increased safety risks. In response, this study proposes an improved control strategy based on the Proximal Policy Optimization (PPO) algorithm, specifically designed for hybrid intersections, known as MSA‐PPO. …”
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98
Investigations of Dynamic Mechanical Performance of Rubber Concrete under Freeze-Thaw Cycle Damage
Published 2023-01-01“…The results show that with the increase of freeze-thaw cycles, the wave speed decreases, and the freeze-thaw action will damage the rubber concrete and reduce the longitudinal wave velocity. …”
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99
Optimization and Experimental Testing of the Drag Torque Model Based on the Cavitation Effect
Published 2024-02-01“…With the increased rotation speed, the cavitation effect volume fraction increases first and then decreases. …”
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100
Adjuvants to improve efficacy of miticides in managed honey bee (Apis mellifera) colonies to control Varroa destructor.
Published 2025-01-01“…Additionally, mite drop data indicated increased speed for the miticidal effect when an adjuvant is included with oxalic acid. …”
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