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Related Concept Videos

Setting Time of Cement01:12

Setting Time of Cement

The setting time of cement refers to the process of cement paste transitioning from a plastic state to a solid state. This process is crucial in construction as it dictates the timeframe for concrete placement, compaction, and finishing. The onset of this solidification is termed the initial set, indicating when the paste becomes unworkable. The final set is when the paste has solidified completely, and further handling or manipulation can no longer affect its shape. The cement strength is...
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The concept of mixing time is significant in producing a uniform concrete mix with the required strength. The mixing period starts once all components are in the mixer. Initially, the mixer is charged with 10% of the water, followed by the consistent addition of solids and then 80% of the water. The remaining water is added later, within the first quarter of the mixing period. The minimum mixing time varies according to the mixer's capacity; for example, mixers with up to 1 cubic yard capacity...
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Related Experiment Video

Updated: May 30, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

When time matters.

Jason C Theadore1

  • 1Diagnostic Service at OhioHealth, Columbus, OH, USA. JTheador@OhioHealth.com

Radiology Management
|July 29, 2011
PubMed
Summary

Managing personal energy, not time, is key for effective time management. Prioritizing important tasks over urgent ones fosters work-life balance and organizational success.

Area of Science:

  • Organizational Psychology
  • Workforce Management

Background:

  • Effective time management is crucial for leaders.
  • Traditional approaches often focus on time allocation rather than resource management.
  • Energy is a critical, yet often overlooked, organizational resource.

Purpose of the Study:

  • To highlight the importance of energy management over time management for leaders.
  • To explore the link between energy management, work-life balance, and organizational effectiveness.
  • To provide a framework for leaders to align personal values with organizational goals for enhanced purpose.

Main Methods:

  • Conceptual analysis of leadership and management principles.
  • Exploration of the relationship between energy, time, and productivity.

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Human Circadian Phenotyping and Diurnal Performance Testing in the Real World

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  • Discussion of value alignment in organizational contexts.

    • Main Results:

    • Energy management is identified as a more impactful strategy than time management for leaders.
    • Effective energy management contributes to improved work-life balance and a sense of purpose.
    • Aligning personal and organizational values is essential for sustained motivation and productivity.

    Conclusions:

    • Leaders should prioritize energy management for enhanced time management skills and work-life balance.
    • Integrating personal values with organizational objectives fosters a stronger sense of purpose and improves leadership effectiveness.
    • Strategic energy management can lead to unexpected gains in perceived free time and overall well-being.