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A New Maintenance Optimization Model Based on Three-Stage Time Delay for Series Intelligent System with Intermediate Buffer
Published 2021-01-01“…Secondly, a preventive maintenance model based on the three-stage time delay theory is proposed for each virtual series system. The machine state from normal operation to failure stage is divided into three steps: initial defect, serious defect, and fault, and different distribution functions are defined in different stages to simulate the degradation process of the machine. …”
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1602
Dynamic characteristics and model optimization of gas adsorption in loaded coal
Published 2024-12-01“…It provides a theoretical basis for further exploration of gas occurrence state and law in deep coal seam. Results indicate that as the adsorption progresses, the adsorption capacity increases and the trend gradually slows down and the rate of change of gas adsorption capacity is gradually reduced. …”
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1603
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1604
Identification method of roof rock interface based on response characteristics of drilling parameters
Published 2025-02-01Get full text
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1605
Efficacy and safety of remimazolam besylate and ciprofol in painless gastrointestinal endoscopy in the elderly
Published 2024-12-01“…The anesthetic effect, analgesic effect, hemodynamics, cognitive function, and adverse reactions between the two groups were compared. …”
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1606
Research on Temperature Control Method of Rice Noodles Extruder Based on APSO-MPC
Published 2025-06-01“…At the same time, the feed rate is selected as feedforward, the feed rate change is monitored by detecting the feed screw speed, and the optimal control sequence is corrected to eliminate the interference caused by the fluctuation of the feed rate. …”
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1607
Experimental Characterization of the Influence of Ore Drawing Parameters on Tailing Deposition
Published 2022-01-01Get full text
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1608
Study on the Permeability Change Characteristic of Gas-Bearing Coal under Cyclic Loading and Unloading Path
Published 2021-01-01Get full text
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1609
Multi-objective trajectory planning for connected and autonomous vehicles in mixed traffic flow
Published 2025-06-01“…Therefore, this paper developed a multi-objective trajectory planning model utilizing the TD3 algorithm. Here, we design the state space, action space, and reward function, where the state space encompasses variables such as speed, relative speed, distance to the stop line, relative position, phase state, and remaining phase duration, and the action space outputs optimal acceleration and deceleration. …”
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1610
Vascular markers of cognitive dysfunction in patients with uncontrolled arterial hypertension
Published 2020-11-01“…The presence of arterial hypertension (AH) leads to the development of cognitive dysfunction, in the genesis of which a significant role is assigned to vascular factors. Aim. To study the state of cognitive function and associated vascular factors in patients with uncontrolled AH. …”
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1611
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Decoherence of quantum superpositions in near-extremal Reissner-Nordström black holes with quantum gravity corrections
Published 2025-08-01“…By employing the effective field theory approach, we model the black hole as a quantum system coupled to an external source via a scalar field, and derive the relation between the decoherence rate and the two-point correlation function of the operators acting on the black quantum system. …”
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1613
Chronic heart failure risk factors in patients with chronic kidney pathology
Published 2008-02-01Get full text
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1614
Trajectory Optimization of Hypersonic Periodic Cruise Using an Improved PSO Algorithm
Published 2021-01-01“…Finally, the fuel-saving mechanism of periodic cruise is explored by comparing with steady-state cruise, which reveals that periodic cruise trajectory has higher impulse and lift-drag ratio, but lower mechanical energy loss rate.…”
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1615
Disorders of cardiac hemodynamic in attack period of bronchial asthma in children
Published 2016-05-01“…By dopplerechocardiography method there was studied functional state of cardiac ventricles and character of hemodynamic disorders in 48 patients aged 5-17 years in attack period of moderately-severe and severe bronchial asthma. …”
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1616
Experimental estimation of the effects of exogenous carbon monoxide on blood cells
Published 2020-04-01Get full text
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1617
A Microsurgical Technique for Removing the Spermatheca of Bumblebee Females and Its Application
Published 2025-07-01Get full text
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1618
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1619
A Sparse Variable Step-Size Least-Mean-Square Algorithm for Impulsive Noise in a Code-Division Multiple Access System
Published 2025-01-01“…For instance, the cost function is inadequately described when impulsive noise is present, making it impossible for the LMS approach to correctly identify the system. …”
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