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

Testing Water Quality01:14

Testing Water Quality

318
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
318
Response Surface Methodology01:16

Response Surface Methodology

567
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
567
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

265
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
265
Quality of Water01:19

Quality of Water

462
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
462
Precipitation Titration: Endpoint Detection Methods01:19

Precipitation Titration: Endpoint Detection Methods

4.5K
In argentometric precipitation titrations, endpoints can be detected visually by the Mohr, Volhard, and Fajans methods. In the Mohr method, adding a soluble chromate indicator gives an initial yellow color to the analyte solution. As the titrant is added, the first excess of silver ions forms a red silver chromate precipitate, marking the endpoint. The solution pH should be maintained at about 8 by adding solid CaCO3.
In the Volhard method, a standard excess of AgNO3 is first added to the...
4.5K
Classification of Titrimetric Analysis Based on Reaction Types01:01

Classification of Titrimetric Analysis Based on Reaction Types

1.5K
Titrimetric analysis in solution chemistry involves measuring the volume of solutions and is often called volumetric analysis. The standard solution of known concentration in the burette is called the titrant, whereas the solution of unknown concentration in the flask is called the analyte, or titrand. Titrimetric analyses can be classified into four types based on the reactions between the titrant and analyte.
Titrations between an acid and a base lead to neutralization reactions that form...
1.5K

You might also read

Related Articles

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

Sort by
Same author

Salvage Therapy With Inotuzumab Ozogamicin in Relapsed/Refractory B-ALL After CAR-T Therapy and HSCT: A Case Series.

Cancer reports (Hoboken, N.J.)·2026
Same author

Shared genetic architecture of schizophrenia and Alzheimer's disease and related dementias implicates 16p11.2 and lifespan brain vulnerability.

Molecular psychiatry·2026
Same author

A study on the effects of combined DBT and STEPPS interventions for adolescents with non-suicidal self-injury: a randomized controlled trial.

Frontiers in public health·2026
Same author

Antidepressant use and worsening of non-suicidal self-injury and suicidality in bipolar disorder: A multicenter retrospective cohort study.

Psychiatry research·2026
Same author

Pre-transplant <i>Clostridioides difficile</i> infection predicts subsequent gastrointestinal GVHD and non-relapse mortality after allogeneic hematopoietic stem cell transplantation.

Cell transplantation·2026
Same author

Task-state P300 and functional brain network abnormalities in adolescent major depressive disorder: a Stroop paradigm study.

Frontiers in psychiatry·2026

Related Experiment Video

Updated: Jan 4, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds
12:50

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

11.7K

A Novel Method in Surface Water Quality Assessment Based on Improved Variable Fuzzy Set Pair Analysis.

Yucheng Liu1,2, Chuansheng Wang1, Yutong Chun1

  • 1School of Information, Capital University of Economics and Business, Beijing 100070, China.

International Journal of Environmental Research and Public Health
|November 9, 2019
PubMed
Summary

An improved variable fuzzy set pair analysis method (IVFSPA) enhances surface water quality assessment during floods. This novel approach offers greater precision and rationality compared to traditional methods for ensuring safe drinking water.

Keywords:
IVFSPA methoddouble judgment modegame comprehensive weighting methodimproved Nemerow methodsurface water pollutionwater quality assessment

More Related Videos

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.4K
Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

13.4K

Related Experiment Videos

Last Updated: Jan 4, 2026

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds
12:50

Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

Published on: September 26, 2017

11.7K
Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.4K
Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

13.4K

Area of Science:

  • Environmental Science
  • Water Quality Assessment
  • Computational Intelligence

Background:

  • Accurate surface water quality assessment is crucial for public health, especially in disaster areas during floods.
  • Traditional methods for evaluating drinking water safety often lack precision and rationality.
  • Existing assessment techniques struggle with the complex, dynamic nature of floodwater contamination.

Purpose of the Study:

  • To develop an improved variable fuzzy set pair analysis method (IVFSPA) for more accurate surface water quality evaluation.
  • To overcome the limitations of traditional assessment methods in terms of precision and rationality.
  • To enhance the safety of drinking water in flood-affected disaster areas.

Main Methods:

  • Proposed an improved variable fuzzy set pair analysis method (IVFSPA) integrating variable fuzzy set and set pair analysis.
  • Developed a novel game theory comprehensive weighting method combining entropy and analytic hierarchy process (AHP).
  • Improved the Nemerow index method's arithmetic form and designed a double judgment mode for accurate water quality level determination.

Main Results:

  • The IVFSPA method demonstrated superior precision and rationality in surface water quality assessment.
  • Experimental validation in Nanking, China, during the 2017 flood confirmed IVFSPA's effectiveness.
  • The Ch-lh section/Chuhe gate was accurately classified as Class V, while other sections were Class IV.

Conclusions:

  • The developed IVFSPA method significantly improves surface water quality assessment accuracy and rationality.
  • IVFSPA offers a reliable tool for ensuring drinking water safety in flood-prone disaster areas.
  • This advanced method provides a more robust alternative to traditional water quality evaluation techniques.