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Journal Bearings01:23

Journal Bearings

1.0K
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.
To better understand the concept of journal bearings, consider a rope winch with dry or...
1.0K
Reporter Genes02:11

Reporter Genes

12.8K
Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually produce visually identifiable characteristics like fluorescence and luminescence when expressed along with the gene of interest. Thus, reporter genes “report” the presence or absence of genes of interest in an organism, determine the gene expression pattern, or track the physical location of a DNA segment or protein in the cell.
12.8K
Conservative Forces01:14

Conservative Forces

13.6K
According to the law of conservation of energy, any transition between kinetic and potential energy conserves the total energy of the system. Hence, the work done by a conservative force is completely reversible. It is path independent, which means that we can start and stop at any two points in the transition, and the total energy of the system (kinetic plus potential energy at these points) will remain conserved. This is characteristic of a conservative force. Some important examples of...
13.6K
Conservative Forces01:03

Conservative Forces

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Conservative forces are an essential concept in the field of mechanical engineering. Understanding the properties and characteristics of these forces is crucial to the design and analysis of mechanical systems.
Conservative forces are forces that are dependent only on the initial and final positions of an object and that are independent of the path that the object takes between these positions. These forces conserve energy, which means that the work done by the force is independent of the path...
832
Critical Thinking I01:24

Critical Thinking I

4.5K
Critical thinking helps decision-making and allows nurses to recognize barriers to success and find solutions to possible issues. It helps to brainstorm and implement ideas to achieve goals. Critical thinking helps acknowledge and state workflow inefficiencies while improving management techniques. Nurses understand the value of critical thinking and look for fellow nurses with critical thinking skills to upgrade their professional standards. Critical thinking can advance a nurse's career...
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Principal Moments of Area01:14

Principal Moments of Area

1.6K
In mechanics, the product of inertia and moments of inertia of area help to calculate the stability and performance of various structures and components. The coordinate transformation relations are used to calculate the moments and products of inertia for an area about the inclined axes. Further, the moments and products of inertia with respect to the principal axes can be determined using the moments and products of inertia about the inclined axes.
The principal moment of inertia axes are the...
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Related Experiment Video

Updated: Dec 31, 2025

Title Cell Encapsulation by Droplets
13:10

Title Cell Encapsulation by Droplets

Published on: October 1, 2007

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From the Chief Editor's Desk

Zafar Ullah Chaudhry1

  • 1.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|January 15, 2020
PubMed
Summary

No abstract available in PubMed .

Related Experiment Videos

Last Updated: Dec 31, 2025

Title Cell Encapsulation by Droplets
13:10

Title Cell Encapsulation by Droplets

Published on: October 1, 2007

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