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Journal Bearings01:23

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Journal bearings are mechanical components that support and provide lateral stability to rotating shafts and axles. They are crucial in reducing friction, wear, and vibration in machinery such as engines, turbines, and pumps. The principle behind journal bearings is forming a thin lubricant film between the bearing surface and the rotating shaft, which minimizes direct contact and reduces frictional forces.
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Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
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Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
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Updated: Nov 6, 2025

Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion
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Corrigendum: Technical Determinants of On-Water Rowing Performance.

Ana C Holt1,2, Robert J Aughey1, Kevin Ball1

  • 1Institute for Health and Sport (IHeS), Victoria University, Melbourne, VIC, Australia.

Frontiers in Sports and Active Living
|May 10, 2021
PubMed
Summary

This study corrects a previously published article DOI. The correction ensures accurate citation and retrieval of scientific research in sports. Further details are available via the corrected DOI.

Keywords:
force curveindividual differencesoar anglepower outputracestroke ratetechnique

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Area of Science:

  • Correction of scientific literature
  • Scholarly communication standards

Context:

  • Ensuring accuracy in scientific publications
  • Maintaining integrity of research records

Purpose:

  • To provide the correct Digital Object Identifier (DOI) for a specific article
  • To rectify errors in the scientific record

Summary:

  • This entry serves as a correction notice for a previously published article.
  • The correct DOI is provided to ensure proper referencing and access.

Impact:

  • Facilitates accurate citation and retrieval of the research
  • Upholds the reliability of the scientific literature
  • Supports researchers in accessing the intended study