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Related Concept Videos

Work01:14

Work

856
Work is a fundamental concept of mechanical engineering and has many applications. Understanding how work is calculated and the different types of work can help us better understand physical processes and provide insights into complex problems.
Work is defined as the result of a force acting on an object, causing it to move along the line of action of force. It is also defined as the process of transferring energy through the application of force on an object, resulting in its displacement.
856
Work01:22

Work

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Work is done when energy is transferred from one object to another. In other words, work is when a force acts on something that undergoes a displacement from one position to another. Forces can vary as a function of position, and displacements can be along various paths between two points. The increment of work (dW) done by a force acting through an infinitesimal displacement can be defined as the dot product of force () and displacement () vectors.
The dot product can be expressed in terms of...
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Multimachine Stability01:25

Multimachine Stability

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Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
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Production Efficiency01:01

Production Efficiency

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Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
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Work Done During Volume Change01:17

Work Done During Volume Change

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In mechanics, work is done on an object when the force acting on it displaces the object. In thermodynamics, work done on a system can be estimated when the system's volume changes during any thermodynamic process.
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
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Quality Assurance01:19

Quality Assurance

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Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
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Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms
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Working well.

L Thomas

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |June 21, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Sheffield

    Area of Science:

    • Public Health
    • Occupational Health Nursing

    Background:

    • Occupational health nursing services are vital for employee well-being.
    • The scope of practice for occupational health nurses can extend to diverse work environments.

    Purpose of the Study:

    • To highlight the broad reach of occupational health nursing in Sheffield.
    • To describe the services offered by the City and Metropolitan Area's occupational health team.

    Main Methods:

    • Qualitative description of nursing service provision.
    • Case study of occupational health nurse leadership.

    Main Results:

    • Occupational health nurses in Sheffield provide services across various sectors, including education and end-of-life care.
    • A team of four nurses serves local authority employees.

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    Conclusions:

    • Occupational health nursing plays a critical, widespread role in supporting employee health in urban settings.
    • The influence of specialized nursing services is essential for diverse workforces.