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Air-entraining Agents

Air-entraining Agents

Air-entraining agents improve the durability and workability of concrete in climates with frequent freezing and thawing. These agents prevent cracks by introducing small air bubbles into the mix, creating spaces accommodating water expansion when temperatures drop. The air-entraining agents lower the surface tension of water, forming stable, small air bubbles. This method is more effective than having accidental large voids, as the intentional, smaller, and evenly distributed air voids improve...

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Related Experiment Video

Updated: Mar 12, 2026

Vision Training Methods for Sports Concussion Mitigation and Management

Vision Training Methods for Sports Concussion Mitigation and Management

Published on: May 5, 2015

Rugby union needs a contact skill-training programme

Sharief Hendricks^1,2, Kevin Till^1,3, James Craig Brown^2,4

¹Institute for Sport, Physical Activity and Leisure, Centre for Sport Performance, School of Sport, Leeds Beckett University, Leeds, UK.

British Journal of Sports Medicine

|November 9, 2016

Summary

No abstract available in PubMed .

Keywords:

Contact sports Implementation Rugby Training

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