Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Plastic Behavior01:21

Plastic Behavior

527
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...
527
Stereotype Content Model02:16

Stereotype Content Model

15.4K
The Stereotype Content Model (SCM) was first proposed by Susan Fiske and her colleagues (Fiske, Cuddy, Glick & Xu, 2002; see also Fiske, 2012 and Fiske, 2017). The SCM specifies that when someone encounters a new group, they will stereotype them based on two metrics: warmth—or that group’s perceived intent, and how likely they are to provide help or inflict harm—and competence—or their ability to carry out that objective. Depending on the warmth-competence...
15.4K
Plastic Deformations01:14

Plastic Deformations

405
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...
405
Plastic Deformations01:19

Plastic Deformations

425
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...
425
Plasticizers01:31

Plasticizers

340
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...
340
Plasticity00:58

Plasticity

3.0K
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...
3.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Source-oriented probabilistic ecological and human health risk assessment of urban road dust using an open-source framework in a tropical coastal city.

Environmental pollution (Barking, Essex : 1987)·2026
Same author

Algae-constructed wetland integrated system for wastewater treatment: A review.

Bioresource technology·2024
Same author

Meta-analysis review for pilot and large-scale constructed wetlands: Design parameters, treatment performance, and influencing factors.

The Science of the total environment·2024
Same author

Using Physical Activity Trackers in Arthritis Self-Management: A Qualitative Study of Patient and Rehabilitation Professional Perspectives.

Arthritis care & research·2018
Same author

'Adding another spinning plate to an already busy life<i>'.</i> Benefits and risks in patient partner-researcher relationships: a qualitative study of patient partners' experiences in a Canadian health research setting.

BMJ open·2018
Same author

A clinical, microbiological, and pathological study of intestinal perforation associated with typhoid fever.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America·2004

Related Experiment Video

Updated: Jan 18, 2026

Spotlighting Customers' Visual Attention at the Stock, Shelf and Store Levels with the 3S Model
06:30

Spotlighting Customers' Visual Attention at the Stock, Shelf and Store Levels with the 3S Model

Published on: May 24, 2019

5.7K

Decoding plastic recycling in Vietnam: Packaging design, consumer recognition and model-based exploration.

Vinh Son Lam1, T Hong Tinh Nguyen2, Bao Chau Tran2

  • 1HUTECH Institute of Applied Sciences, HUTECH University, Ho Chi Minh City, Vietnam.

Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA
|September 9, 2025
PubMed
Summary

Vietnamese shoppers struggle with plastic food packaging (PFP) recycling symbols, confusing disposal with recyclability. Improved labeling and predictive models are needed to boost recycling efficiency.

Keywords:
Food packagingmachine learningplastic wasterecyclabilityrecycling symbol

More Related Videos

Sampling, Identification and Characterization of Microplastics Release from Polypropylene Baby Feeding Bottle during Daily Use
05:48

Sampling, Identification and Characterization of Microplastics Release from Polypropylene Baby Feeding Bottle during Daily Use

Published on: July 24, 2021

6.2K
Scalable Step-by-Step Approach of Sustainable Bioplastic Production from Food Waste
08:14

Scalable Step-by-Step Approach of Sustainable Bioplastic Production from Food Waste

Published on: July 18, 2025

1.1K

Related Experiment Videos

Last Updated: Jan 18, 2026

Spotlighting Customers' Visual Attention at the Stock, Shelf and Store Levels with the 3S Model
06:30

Spotlighting Customers' Visual Attention at the Stock, Shelf and Store Levels with the 3S Model

Published on: May 24, 2019

5.7K
Sampling, Identification and Characterization of Microplastics Release from Polypropylene Baby Feeding Bottle during Daily Use
05:48

Sampling, Identification and Characterization of Microplastics Release from Polypropylene Baby Feeding Bottle during Daily Use

Published on: July 24, 2021

6.2K
Scalable Step-by-Step Approach of Sustainable Bioplastic Production from Food Waste
08:14

Scalable Step-by-Step Approach of Sustainable Bioplastic Production from Food Waste

Published on: July 18, 2025

1.1K

Area of Science:

  • Environmental Science
  • Consumer Behavior
  • Data Science

Background:

  • Consumer understanding of recycling symbols is crucial for effective waste management.
  • Plastic food packaging (PFP) recycling rates are often hindered by consumer confusion.

Purpose of the Study:

  • To investigate consumer comprehension of PFP recycling symbols in Vietnam.
  • To identify factors influencing accurate symbol interpretation.
  • To assess the recyclability of PFP and explore predictive modeling for recycling efficiency.

Main Methods:

  • Field surveys and questionnaires were used to gather data on consumer knowledge.
  • Statistical analysis and machine learning models (XGBoost, Random Forest) were employed.
  • Analysis of PFP composition was conducted to determine recyclability.

Main Results:

  • 68.2% of shoppers correctly identified recycling symbols, but 87.2% confused them with waste disposal symbols.
  • Older shoppers showed higher accuracy; waste separators performed worse.
  • Shopping frequency and perceived importance of recycling were stronger predictors than demographics.
  • 66.7% of PFP analyzed was recyclable, dominated by polyethylene terephthalate and polypropylene.
  • XGBoost model achieved the highest prediction accuracy (MacroF1=77.6%).

Conclusions:

  • There is a significant need for clearer, standardized PFP labeling in Vietnam.
  • Consumer education and targeted interventions are necessary to address misconceptions.
  • Predictive modeling and mono-material designs can enhance recycling infrastructure and efficiency.