Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Sampling Plans

Sampling Plans

Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...

Zones of Protection

Zones of Protection

In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...

Hybrid Zones

Hybrid Zones

Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.

Gas Chromatography: Types of Detectors-II

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

You might also read

Related Articles

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

Sort by

Same author

Effect of internal phase particle size on properties of site mixed emulsion explosive at plateau environment.

Scientific reports·2024

Same author

Analysis of reproductive damage in earthworms (Amynthas corticis) exposed to cypermethrin.

Ecotoxicology and environmental safety·2022

Same author

[Value of high resolution magnetic resonance imaging for preoperative evaluation of Denonvilliers fascia in patients with rectal cancer].

Zhonghua wei chang wai ke za zhi = Chinese journal of gastrointestinal surgery·2021

Same author

Measurement of Azimuthal Anisotropy of Muons from Charm and Bottom Hadrons in pp Collisions at sqrt[s]=13 TeV with the ATLAS Detector.

Physical review letters·2020

Same author

[The differential diagnosis of pulmonary infiltrates in cancer patients during the outbreak of the 2019 novel coronavirus disease].

Zhonghua zhong liu za zhi [Chinese journal of oncology]·2020

Same author

[Early containment strategies and core measures for prevention and control of novel coronavirus pneumonia in China].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2020

Search research articles

Related Experiment Video

Updated: May 31, 2026

A Modified QuEChERS-HPLC Method for Detection of Polycyclic Aromatic Hydrocarbons in Zebrafish Embryos Exposed to Fine Particulate Matter

A Modified QuEChERS-HPLC Method for Detection of Polycyclic Aromatic Hydrocarbons in Zebrafish Embryos Exposed to Fine Particulate Matter

Published on: June 13, 2025

A multi-factor designation method for mapping particulate-pollution control zones in China.

Y Qin¹, S D Xie

¹College of Environmental Sciences & Engineering, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Peking University, Beijing, People's Republic of China.

The Science of the Total Environment

|July 5, 2011

Summary

A new method maps pollution control zones by considering PM(10) and PM(2.5) pollution, emissions, and transport. China was divided into four regions, with a common control zone identified for immediate action on both pollutants.

More Related Videos

Measuring Sub-23 Nanometer Real Driving Particle Number Emissions Using the Portable DownToTen Sampling System

Measuring Sub-23 Nanometer Real Driving Particle Number Emissions Using the Portable DownToTen Sampling System

Published on: May 22, 2020

Related Experiment Videos

Last Updated: May 31, 2026

A Modified QuEChERS-HPLC Method for Detection of Polycyclic Aromatic Hydrocarbons in Zebrafish Embryos Exposed to Fine Particulate Matter

A Modified QuEChERS-HPLC Method for Detection of Polycyclic Aromatic Hydrocarbons in Zebrafish Embryos Exposed to Fine Particulate Matter

Published on: June 13, 2025

Measuring Sub-23 Nanometer Real Driving Particle Number Emissions Using the Portable DownToTen Sampling System

Measuring Sub-23 Nanometer Real Driving Particle Number Emissions Using the Portable DownToTen Sampling System

Published on: May 22, 2020

Area of Science:

Environmental Science
Atmospheric Chemistry
Public Health

Background:

Particulate matter (PM) pollution, including PM(10) and PM(2.5), poses significant environmental and health risks.
Effective pollution control requires targeted strategies based on regional characteristics.

Purpose of the Study:

To develop and apply a multi-factor method for designating particulate-pollution control zones.
To map these zones across China, considering various pollution and socio-economic factors.

Main Methods:

A novel designation method was developed, integrating PM(10) pollution status, anthropogenic emissions, fine particle pollution, long-range transport, and economic conditions.
China was geographically divided into four distinct particulate-pollution control regions based on the developed method.

Main Results:

Four regions were identified: PM Suspended Control (69.55%), PM(10) Control (9.66%), PM(2.5) Control (4.67%), and PM(10) and PM(2.5) Common Control (16.13%).
The Common Control Region, crucial for addressing 60.32% of national PM(10) anthropogenic emissions, is concentrated in key areas like the Bohai Region and Yangtze River Delta.
Analysis indicated that China's national ambient air quality standard for PM(10) may be insufficient.

Conclusions:

The multi-factor designation method is effective for mapping pollution control zones in large countries with complex pollution profiles.
The identified PM(10) and PM(2.5) Common Control Region requires urgent, focused control efforts for cost-effective pollution reduction.
The study highlights the need for potentially stricter PM(10) air quality standards in China.