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81
Model of Optimization of Process Parameters for Machining of Separate Design Elements of the Product
Published 2025-05-01“…Thus, as a result of the optimization, the total labor intensity of individual transitions decreased by 18.3%, with an increase in processing error by 12.1%, and deterioration of the roughness parameter by 13.2%, which satisfies the initial conditions of optimization. …”
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82
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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83
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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84
Design and Test of Vertical Axis Rotating Cutters for Cutting Corn Roots and Crown
Published 2025-03-01“…With the increase in the forward speed of the device, the rate of soil disturbance and the power consumption of the device were also increased, but the qualified rate of root–crown length was decreased. …”
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85
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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86
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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87
A New Approach for Online Transient Instability Assessment and Prediction via Tracing the Variation Trend of Synchronous Generator Energy
Published 2025-01-01“…The energy is calculated using the integral of the electrical power of the generator measured over time. This energy increases during a fault and subsequently decreases in post-fault. …”
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88
Experimental Investigation of the Dynamic Deformation of Wind Turbine Blades Based on 3D-Digital Image Correlation
Published 2024-12-01“…The experimental results show that the dynamic waving deformation of the blade shows the trend of increasing and then decreasing with the increase in wind turbine rotational speed and incoming wind speed, and when the rotational speed reaches 500 r/min and the incoming wind speed reaches 9 m/s, the blade deformation reaches the maximum value; the dynamic waving deformation of wind turbine blade decreases with the increase in the elastic modulus of the blade and the degree of the decrease decreases gradually; the dynamic deformation of is predicted by the multiple displacement distribution of different blades under different operating conditions, and is obtained by the fitting of the experimental data. …”
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89
Simulation of the Vibratory Behavior of Slender Shafts Subject to Transverse Loads Moving in the Axial Direction
Published 2020-01-01“…The effect of a load moving axially at a given speed followed by similar loads after given spatial intervals was simulated investigating the influence of speed and load interval on shaft vibrations and resonance. …”
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90
Enhanced PID for pedal vehicle force control using hybrid spiral sine-cosine optimization and experimental validation
Published 2025-09-01“…Future research will aim to enhance this approach by integrating vehicle speed control with advanced actuator and pedal force control systems. …”
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91
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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92
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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93
Tactical measures set to improve the import substitution process in the field of Russian pharmaceuticals
Published 2023-06-01“…The article deals with the problems of a high share of import dependence in the pharmaceutical and medical industry of the Russian Federation, leading to a decrease in the security of the state and public health, to the actualization of providing modern and high-quality Russian medicines issues. …”
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94
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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95
Experimental study on pore structure and dynamic mechanical properties of modified rubber concrete after freeze-thaw cycle
Published 2025-02-01“…The elastic action of rubber particles can reduce the increase of the internal porosity of concrete under the action of freeze-thaw cycles and reduce the internal porosity of concrete materials. (3) The peak stress and dissipated energy of three kinds of concrete specimens decreased linearly due to freeze-thaw cycle, and the decrease of plain concrete was higher than that of modified rubber concrete. …”
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96
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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97
Numerical Study on the Explosive Separation of Pyrotechnic Cutter
Published 2019-01-01“…As the distance increases, the difference between the initial cutting speed and the maximal speed of the cutter gradually decreases and effectively disappears for a distance of 8.5 mm. …”
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98
КАРДИОНЕФРОПРОТЕКТИВНОЕ ДЕЙСТВИЕ СТАТИНОВ У БОЛЬНЫХ САХАРНЫМ ДИАБЕТОМ 2 ТИПА В СОЧЕТАНИИ С АРТЕРИАЛЬНОЙ ГИПЕРТОНИЕЙ...
Published 2013-10-01“…Reduction of expressiveness of a microalbuminuria and lack of decrease in speed of GFR is revealed at statin group.…”
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99
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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100
Effects of Acidic Environment on Dynamic Mechanical Properties and Porosity Evolution Characteristics of Coal
Published 2021-01-01“…Longitudinal wave velocity of coal sample decreases gradually with the increase of drying and wetting cycles, and the decreasing speed is first fast and then slow. …”
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