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

Excess Pressure Inside a Drop and a Bubble01:13

Excess Pressure Inside a Drop and a Bubble

3.6K
The shape of a small drop of liquid can be considered spherical, neglecting the effect of gravity. This drop can further be considered as two equal hemispherical drops put together due to surface tension. The forces acting on the spherical drop are due to the pressure of the liquid inside the drop, the pressure due to air outside the drop, and the force due to the surface tension acting on the two hemispherical drops.
3.6K
Distributions to Estimate Population Parameter01:26

Distributions to Estimate Population Parameter

5.2K
The accurate values of population parameters such as population proportion, population mean, and population standard deviation (or variance) are usually unknown. These are fixed values that can only be estimated from the data collected from the samples. The estimates of each of these parameters are sample proportion, the sample mean, and sample standard deviation (or variance). To obtain the values of these sample statistics, data are required that have particular distribution and central...
5.2K
The Anchoring-and-Adjustment Heuristic01:25

The Anchoring-and-Adjustment Heuristic

7.8K
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
7.8K
Adjusting a Traverse01:12

Adjusting a Traverse

390
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
390
Cell Size01:22

Cell Size

132.6K
Cell sizes vary widely among and within organisms. Bacterial cells range between 1-10 micrometers (μm)and are considerably smaller than most eukaryotic cells. The smallest bacteria are 0.1 μm in diameter—about a thousand times smaller than eukaryotic cells, which typically range from 10-100 μm.
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
132.6K
What are Estimates?01:06

What are Estimates?

8.9K
It isn't easy to measure a parameter such as the mean height or the mean weight of a population. So, we draw samples from the population and calculate the mean height or mean weight of the individuals in the sample. This sample data acts as a representative measure of the population parameter. These sample statistics are known as estimates. 
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
8.9K

You might also read

Related Articles

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

Sort by
Same author

Association between steatotic liver disease subtype and thyroid cancer in women: A nationwide population-based cohort study.

Frontiers in endocrinology·2026
Same author

Data-Driven Neurocognitive Clustering Predicts Virtual Reality Task Performance in Children: A Pilot Study.

Brain sciences·2026
Same author

AVATA Cure Digital Therapeutics for Social Communication in Children With Autism Spectrum Disorder: A Pilot Clinical Trial.

Psychiatry investigation·2026
Same author

Clinical implication of the 2025 ATA risk stratification in follicular thyroid carcinoma: A comparison with the 2015 ATA risk stratification.

Oral oncology·2026
Same author

Fixed-Bed Column Performance of Poly-GMA-Glucamine for Boron Recovery in Seawater Reverse Osmosis: Breakthrough Analysis and Scale-Up Design Parameters.

Water environment research : a research publication of the Water Environment Federation·2025
Same author

Effects of space allowance during gestation and socialization training during growing period on the productivity and welfare of primiparous sows.

Journal of animal science and technology·2025
Same journal

Pyrolysis temperature shapes the structure and filtration capacity of spent-coffee-ground biochar for 1-μm microplastics and bacteria removal from wastewater.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Effect of cooling and cover material on the performance of a solar humidification-dehumidification system used for brine concentration.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Comparative multi-criteria assessment of decentralized wastewater treatment technologies for coastal tourist communities and island slaughterhouses: a design framework with uncertainty analysis for Latin America.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

An improved relative frequency method for flood season partitioning.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Drivers of wastewater dynamics: a statistical analysis of England's large wastewater treatment works.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

A review on modification of piezoelectric materials for wastewater treatment: mechanisms, applications, and future perspectives.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
See all related articles

Related Experiment Video

Updated: Feb 15, 2026

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
08:19

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

2.8K

Design parameter estimations for adjustable bubble size in bubble generating system.

Tschung-Il Kim1, Hyunju Park1, Mooyoung Han2

  • 1Institute of Construction and Environmental Engineering, Seoul National University, Seoul, Republic of Korea E-mail: hyunju@mokpo.ac.kr; narjjis@hanmail.net.

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|January 18, 2018
PubMed
Summary
This summary is machine-generated.

Researchers created a low-cost, low-energy bubble generator with adjustable bubble size. This versatile device, utilizing a simple pump and mixing chamber, has potential applications in water treatment and beyond.

More Related Videos

Lipid Bilayer Experiments with Contact Bubble Bilayers for Patch-Clampers
07:18

Lipid Bilayer Experiments with Contact Bubble Bilayers for Patch-Clampers

Published on: January 16, 2019

10.2K
Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation
08:28

Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation

Published on: September 13, 2012

11.6K

Related Experiment Videos

Last Updated: Feb 15, 2026

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
08:19

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

2.8K
Lipid Bilayer Experiments with Contact Bubble Bilayers for Patch-Clampers
07:18

Lipid Bilayer Experiments with Contact Bubble Bilayers for Patch-Clampers

Published on: January 16, 2019

10.2K
Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation
08:28

Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation

Published on: September 13, 2012

11.6K

Area of Science:

  • Engineering
  • Materials Science
  • Fluid Dynamics

Background:

  • Controlling bubble size is crucial for various industrial and scientific applications, including water treatment.
  • Existing bubble generation methods can be energy-intensive or lack precise size control.

Purpose of the Study:

  • To develop a cost-effective and energy-efficient bubble generator capable of producing bubbles with controllable sizes, including sub-micron dimensions.
  • To investigate the relationship between mixing chamber design and generated bubble size.

Main Methods:

  • A simple bubble generation system was designed using a general pump and a mixing chamber with adjustable partition walls.
  • Bubble size was manipulated by altering the number and thickness of partition walls within the mixing chamber.
  • The existence of sub-micron bubbles was indirectly confirmed through coalescence observed during ultrasonic irradiation.

Main Results:

  • The developed bubble generator successfully produced bubbles with adjustable sizes.
  • Increasing the number of partition walls in the mixing chamber led to a reduction in bubble size.
  • Thicker partition walls induced shear stress, resulting in the formation of bubbles in the few hundred nanometer range.
  • Sub-micron bubble generation was indirectly validated via ultrasonic coalescence experiments.

Conclusions:

  • The developed bubble generator offers a simple, low-cost, and low-energy solution for producing controllable bubble sizes.
  • The device's design, particularly the mixing chamber configuration, allows for easy adjustment of bubble dimensions.
  • This technology holds promise for applications in water treatment and a wide array of other processes requiring tailored bubble generation.