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

Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

421
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
421
Multi-Step Reactions02:31

Multi-Step Reactions

8.8K
Chemical reactions often occur in a stepwise fashion involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs. Each of the steps in a reaction mechanism is called an elementary reaction. These...
8.8K
Sources of Self-Esteem I: Family Experience01:18

Sources of Self-Esteem I: Family Experience

195
Self-esteem, a crucial component of psychological development, is significantly shaped by familial experiences. The early parent-child relationship serves as a foundational influence on a child's self-concept, with long-lasting effects extending into adolescence and adulthood.Parental Behaviors and Early Self-Esteem FormationEmpirical studies have identified four principal parental behaviors that foster healthy self-esteem in children. These include expressions of acceptance, affection, and...
195
Multi-species Conserved Sequences02:51

Multi-species Conserved Sequences

4.8K
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale  studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
4.8K
Insertion of Multi-pass Transmembrane Proteins in the RER01:29

Insertion of Multi-pass Transmembrane Proteins in the RER

18.4K
The rough ER membrane synthesizes, assembles, and embeds transmembrane proteins in diverse topologies. These proteins function as transporters or channels and can remain in the ER membrane or are sent to the Golgi complex, lysosome, and cell membrane.
The multipass transmembrane proteins are the type IV integral membrane proteins with multiple topogenic sequences determining their spatial arrangement in the ER membrane. Nearly all multipass proteins lack a cleavable signal sequence and use...
18.4K
Multi-pass Transmembrane Proteins and β-barrels01:09

Multi-pass Transmembrane Proteins and β-barrels

6.5K
In multi-pass transmembrane proteins, the polypeptide chain crosses the membrane more than once. The transmembrane polypeptide chain either forms an α-helix or β-strand structure. α-Helix containing multi-pass transmembrane proteins are ubiquitous, whereas β-strand containing ones are mainly found in gram-negative bacteria, mitochondria, and chloroplasts.
α-Helix containing multi-pass transmembrane proteins
Multi-pass transmembrane proteins such as...
6.5K

You might also read

Related Articles

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

Sort by
Same author

[Studies on light catalysis oxidation degradation of Malachite Green by Photo-Fenton reagent].

Guang pu xue yu guang pu fen xi = Guang pu·2007
Same author

Alternative conformations of the archaeal Nop56/58-fibrillarin complex imply flexibility in box C/D RNPs.

Journal of molecular biology·2007
Same author

Validation of nonnested and real-time PCR for diagnosis of sheep-associated malignant catarrhal fever in clinical samples.

Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·2007
Same author

Room temperature fabrication of porous ZnO photoelectrodes for flexible dye-sensitized solar cells.

Chemical communications (Cambridge, England)·2007
Same author

Influence of medication choice and comorbid diabetes: the cost of bipolar disorder in a privately insured US population.

Social psychiatry and psychiatric epidemiology·2007
Same author

Mechanistic studies of the long chain acyl-CoA synthetase Faa1p from Saccharomyces cerevisiae.

Biochimica et biophysica acta·2007

Related Experiment Video

Updated: Feb 1, 2026

Wind Tunnel Experiments to Study Chaparral Crown Fires
09:27

Wind Tunnel Experiments to Study Chaparral Crown Fires

Published on: November 14, 2017

10.1K

Site-specific (Multi-scenario) validation of ensemble Kalman filter-based source inversion through multi-direction

Sida Sun1, Xinpeng Li1, Hong Li1

  • 1Institute of Nuclear and New Energy Technology, Collaborative Innovation Centre of Advanced Nuclear Energy Technology, Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education, Tsinghua University, Beijing, 100084, China.

Journal of Environmental Radioactivity
|December 14, 2018
PubMed
Summary

Source inversion accurately estimates atmospheric radionuclide release rates using the ensemble Kalman filter (EnKF). Site-specific validation confirms EnKF

Keywords:
Air dispersion modelEnsemble Kalman filterSensitivity analysisSource inversionWind tunnel experiment

More Related Videos

A Wind Tunnel for Odor Mediated Insect Behavioural Assays
05:25

A Wind Tunnel for Odor Mediated Insect Behavioural Assays

Published on: November 30, 2018

12.5K
Author Spotlight: Assessing Brain Activity in Robotic-Assisted Lower Limb Rehabilitation Using fNIRS
05:25

Author Spotlight: Assessing Brain Activity in Robotic-Assisted Lower Limb Rehabilitation Using fNIRS

Published on: June 7, 2024

1.8K

Related Experiment Videos

Last Updated: Feb 1, 2026

Wind Tunnel Experiments to Study Chaparral Crown Fires
09:27

Wind Tunnel Experiments to Study Chaparral Crown Fires

Published on: November 14, 2017

10.1K
A Wind Tunnel for Odor Mediated Insect Behavioural Assays
05:25

A Wind Tunnel for Odor Mediated Insect Behavioural Assays

Published on: November 30, 2018

12.5K
Author Spotlight: Assessing Brain Activity in Robotic-Assisted Lower Limb Rehabilitation Using fNIRS
05:25

Author Spotlight: Assessing Brain Activity in Robotic-Assisted Lower Limb Rehabilitation Using fNIRS

Published on: June 7, 2024

1.8K

Area of Science:

  • Environmental Science
  • Nuclear Engineering
  • Atmospheric Science

Background:

  • Source inversion is crucial for nuclear incident emergency response, estimating atmospheric radionuclide release rates.
  • Existing methods face uncertainties, necessitating site-specific validation with diverse air dispersion scenarios.

Purpose of the Study:

  • To comprehensively evaluate the ensemble Kalman filter (EnKF) for source inversion.
  • To perform site-specific validation using wind tunnel experiments at a heterogeneous nuclear power plant site.

Main Methods:

  • Utilized six wind tunnel experiments simulating diverse meteorological and topographical conditions.
  • Investigated the sensitivity of EnKF to initial guess, inflation factor, and measurement configurations.
  • Applied EnKF for source inversion to validate its performance in realistic scenarios.

Main Results:

  • EnKF demonstrated stable convergence and bounded errors across all tested scenarios.
  • EnKF showed insensitivity to initial guess, inflation factor, and measurement quantity.
  • EnKF performance was sensitive to measurement location and air dispersion model biases.

Conclusions:

  • EnKF is a robust tool for radionuclide release rate estimation, validated by wind tunnel experiments.
  • Addressing air dispersion model biases is key to enhancing EnKF performance in complex environments.
  • Site-specific validation is essential for reliable source inversion in nuclear emergency preparedness.