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関連する概念動画

Plasticizers01:31

Plasticizers

233
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
233

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Scalable Step-by-Step Approach of Sustainable Bioplastic Production from Food Waste
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危険 に なる 食品 の 包装 を 段階 的 に 廃止 する

Mary Chris Jaklevic

    JAMA
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