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Updated: Jul 14, 2025
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Eye-tracking Technology and Data-mining Techniques used for a Behavioral Analysis of Adults engaged in Learning Processes
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Retracted: Digital Construction of Vocal Music Teaching Resource Base Using Data Mining Technology
Journal of Environmental and Public Health
|October 9, 2023
Summary
This article has been retracted. The original publication is no longer considered valid scientific work.
Area of Science:
- Scientific Publishing
- Retraction Notices
Context:
- Article DOI: 10.1155/2022/8351868.
Purpose:
- To formally retract the article identified by DOI: 10.1155/2022/8351868.
Summary:
- The scientific article with DOI 10.1155/2022/8351868 has been officially retracted.
Impact:
- Ensures the integrity of the scientific record.
- Informs researchers about the invalidity of the retracted publication.
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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
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Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
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