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An examination of sleep spindle metrics in the Sleep Heart Health Study: superiority of automated spindle detection over total sigma power in assessing age-related spindle decline
BackgroundSleep spindle activity is commonly estimated by measuring sigma power during stage 2 non-rapid eye movement (NREM2) sleep. However,...
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Protein Kinases Involved in Mitotic Spindle Checkpoint Regulation
A number of checkpoint controls function to preserve the genome by restraining cell cycle progression until prerequisite events have been properly...
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Assessment of Spindle Shape Control by Spindle Poleward Flux Measurements and FRAP Bulk Analysis
In plants, the segregation of genetic material is achieved by an acentrosomal, mitotic spindle. This macromolecular machinery consists of different...
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Thermal Growth of Motor Spindle Units
The paper deals with strategies for numerical compensation of thermo-mechanical deformation of machine tool spindles and the TCP, respectively....
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Status and Prospect of Motorized Spindle Technology
Motorized spindle is the core component of modern high-speed CNC machine tool. The performance of motorized spindle directly affects the working...
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Thermal error modeling of motorized spindle and application of miniature radiator in motorized spindle
The precision of machine tools heavily relies on the motorized spindle’s performance. It is crucial to guarantee the thermal error prediction model’s...
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Mechanisms underlying spindle assembly and robustness
The microtubule-based spindle orchestrates chromosome segregation during cell division. Following more than a century of study, many components and...
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Spindle Health Assessment Based on Rotor Perception
Due to the complex structure of the spindle and many influencing factors, the failure analysis of the spindle has always been a focus. Use Soildwoks...
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Fluid–structure interaction dynamic analysis of aerostatic spindle
This paper proposes a new dynamic model of the aerostatic spindle, including radial and thrust bearing. The engineering calculation method of the...
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Dynamic analysis of spindle-bearing system considering bearing wear evolution
Bearing wear is an inevitable and a slowly evolving process. It affects the dynamic response of spindle-bearing systems by changing contact status...
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NSGA-III-based multi-objective approach for reconfigurable manufacturing system design considering single-spindle and multi-spindle modular reconfigurable machines
A reconfigurable manufacturing system (RMS) is one of the next generation production systems widely used to meet uncertain market demands in the...
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Thermal characteristics analysis of machine tool spindle with adjustable bearing preload
The spindle is the key functional part of the machine tool, and the thermal deformation caused by the heat generation of the bearing seriously...
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ICEEMDAN and LSTM Spindle System Fault Diagnosis Method
Research on fault diagnosis of rotating machinery is crucial as it serves as a core component. In order to diagnose spindle system fault types...
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Design of cooling system and experimental research of grinding motorized spindle
Grinding is a prevalent metal processing method extensively employed in industrial production. However, the high temperatures generated during the...
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High-Sensitivity and Low-Noise Interrogation for Spindle Fault Monitoring
To reduce the error, the stiffness of the high-precision machine tool spindle is often remarkably high, and the strain, when subjected to force, is...
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Thermal effect modeling of axial static stiffness of motorized spindle unit
In order to investigate the thermal variations of axial static stiffness of motorized spindle unit, a thermal modeling method of spindle axial static...
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Morphofunctional Properties of Spindle-Shaped Platelets
Morphofunctional properties of spindle-shaped platelets under normal and pathological conditions were studied by the method based on vital staining....
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Dynamics of the Spindle Assembly Checkpoint
The spindle assembly checkpoint (SAC) normally acts to prevent cells that have not fully completed separation of their replicated chromosomes from...
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Spindle unit thermal error modeling and compensation based on digital twin
The thermal error in the spindle unit is substantial and necessitates mitigation. Current models, being predominantly static in nature, have limited...
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Spindle-locked ripples mediate memory reactivation during human NREM sleep
Memory consolidation relies in part on the reactivation of previous experiences during sleep. The precise interplay of sleep-related oscillations...
