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

The Carbon Cycle01:14

The Carbon Cycle

38.6K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
38.6K
Turnover Number and Catalytic Efficiency01:19

Turnover Number and Catalytic Efficiency

10.2K
The turnover number of an enzyme is the maximum number of substrate molecules it can transform per unit time. Turnover numbers for most enzymes range from 1 to 1000 molecules per second. Catalase has the known highest turnover number, capable of converting up to 2.8×106 molecules of hydrogen peroxide into water and oxygen per second. Lysozyme has the lowest known turnover number of half a molecule per second.
Chymotrypsin is a pancreatic enzyme that breaks down proteins during digestion....
10.2K
Measurement of Air Content in Concrete01:23

Measurement of Air Content in Concrete

192
Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
The pressure method,...
192
Design Example: Sustainability in Concrete Building01:26

Design Example: Sustainability in Concrete Building

198
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
198
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

138
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
138

You might also read

Related Articles

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

Sort by
Same author

[Comparison on Carbon Emissions Decoupling and Driving Factors Between Carbon Peaking Countries and China].

Huan jing ke xue= Huanjing kexue·2026
Same author

[Spatiotemporal Variation Characteristics of Ozone and Identification of Key Influencing Factors Based on Random Forest Model: A Case Study of Chuzhou City].

Huan jing ke xue= Huanjing kexue·2024
Same author

[Research on the Evaluation Method and Application of Provincial Differentiated Carbon Peaking in China].

Huan jing ke xue= Huanjing kexue·2024
Same author

[Synergistic Paths of Reduced Pollution and Carbon Emissions Based on Different Power Demands in China].

Huan jing ke xue= Huanjing kexue·2023
Same author

[Pollution and Carbon Reduction Effect of OFDI in China and Its Mechanism].

Huan jing ke xue= Huanjing kexue·2022
Same author

Liquid chromatography-tandem mass spectrometric assay for the determination of vaccarin in rat plasma: application to a pharmacokinetic study.

Biomedical chromatography : BMC·2014

Related Experiment Video

Updated: Jul 23, 2025

Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe
09:34

Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe

Published on: December 4, 2016

28.2K

[Evaluation Method and Application for Urban Carbon Peaking & Neutrality Performance].

Bao-Liu Zhang1, Zi-Han Bai1, Nan Zhang1

  • 1Chinese Research Academy of Environmental Sciences, Beijing 100012, China.

Huan Jing Ke Xue= Huanjing Kexue
|July 12, 2023
PubMed
Summary

Cities are crucial for achieving national carbon goals. A new index system evaluates urban carbon peaking and neutrality performance, finding developed cities lead but many need better data disclosure and ambition.

Keywords:
analytic hierarchy processcarbon neutralitycarbon peakingindex evaluationmethod applicationperformance

More Related Videos

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.4K
Measurements of CO2 Fluxes at Non-Ideal Eddy Covariance Sites
09:05

Measurements of CO2 Fluxes at Non-Ideal Eddy Covariance Sites

Published on: June 24, 2019

8.0K

Related Experiment Videos

Last Updated: Jul 23, 2025

Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe
09:34

Implementation of Portable Emissions Measurement Systems PEMS for the Real-driving Emissions RDE Regulation in Europe

Published on: December 4, 2016

28.2K
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.4K
Measurements of CO2 Fluxes at Non-Ideal Eddy Covariance Sites
09:05

Measurements of CO2 Fluxes at Non-Ideal Eddy Covariance Sites

Published on: June 24, 2019

8.0K

Area of Science:

  • Environmental Science
  • Urban Planning
  • Policy Analysis

Context:

  • Cities are primary sources of greenhouse gas emissions, making them central to national carbon peaking and neutrality goals.
  • Evaluating urban performance is essential for effective climate change mitigation strategies.
  • Existing methods may not fully capture the multifaceted nature of urban carbon reduction efforts.

Purpose:

  • To develop and apply a comprehensive index evaluation system for assessing urban carbon peaking and neutrality performance.
  • To analyze government commitment, socio-economic factors, energy consumption, industrial structure, transportation, and emission reduction trends.
  • To identify strengths and weaknesses in current urban climate action.

Summary:

  • An analytic hierarchy process-based evaluation system was created, incorporating government attitude, socio-economic factors, energy, industry, transport, and emission reduction efficiency.
  • The study applied this system to central cities, revealing that economically developed and low-carbon pilot cities generally perform better.
  • Key findings include varying levels of climate ambition, low-carbon status, and emission reduction trends across different cities, with common issues like insufficient willingness and data disclosure.

Impact:

  • The evaluation provides a scientific method to assess government commitment and actual emission reduction effects.
  • Identifies leading cities and areas for improvement, informing targeted policy interventions.
  • Highlights the need for enhanced statistical systems, information disclosure, and coordinated carbon reduction planning.