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Related Concept Videos

Plasticity00:58

Plasticity

3.1K
Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
3.1K
Plasticizers01:31

Plasticizers

368
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
368
Plastic Behavior01:21

Plastic Behavior

579
A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
579
Plastic Deformations01:14

Plastic Deformations

444
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
444
Plastic Deformations01:19

Plastic Deformations

465
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
465
Plastic Deformation in Circular Shafts01:20

Plastic Deformation in Circular Shafts

480
When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
480

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Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis
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The Canadian Plastic Surgery Workforce Analysis: Forecasting Future Need.

Alexander Morzycki1, Helene Retrouvey2, Becher Alhalabi3

  • 1The Canadian Plastic Surgery Research Collaborative, Division of Plastic and Reconstructive Surgery, University of Alberta, Edmonton, Canada.

Plastic Surgery (Oakville, Ont.)
|November 20, 2018
PubMed
Summary
This summary is machine-generated.

Canadian plastic surgery is projected to have enough surgeons for population needs, but concerns exist about job market access and rural shortages. Future workforce planning needs mentorship and transparent hiring to address these challenges.

Keywords:
employmenthealth manpowerplastic surgeryresidency training

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Area of Science:

  • Medical Workforce Analysis
  • Surgical Education
  • Healthcare Resource Management

Background:

  • Assessing the future demand for plastic surgeons is critical in resource-limited, single-payer healthcare systems.
  • This study addresses the need for a comprehensive update on the Canadian plastic surgery workforce and resident/surgeon perceptions.

Purpose of the Study:

  • To provide a comprehensive workforce update for Canadian Plastic Surgery.
  • To describe the perceptions of the current and future workforce among Canadian Plastic Surgery residents and practicing surgeons.

Main Methods:

  • Development of two national questionnaires by the Canadian Plastic Surgery Research Collaborative.
  • Distribution of surveys to both plastic surgery residents and practicing surgeons across Canada.

Main Results:

  • A predicted surgeon-to-population ratio of 1.55:100,000 and a graduate-to-retiree ratio of 2.16:1 within 5-10 years.
  • While most residents are satisfied with training, many express concern about the job market and resource availability for new surgeons.
  • A significant shortage of plastic surgeons in rural areas was identified.

Conclusions:

  • An adequate number of plastic surgeons are projected, but concerns remain regarding resource access and job market entry for new graduates.
  • Addressing rural shortages and improving recruitment transparency are essential for the future plastic surgery workforce.
  • Structured mentorship and national coordination in recruitment and succession planning are recommended.