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Updated: Jul 5, 2026

Experimental Protocol to Investigate Particle Aerosolization of a Product Under Abrasion and Under Environmental Weathering
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气候对低密度聚乙烯-纳米复合物的降解的影响,添加了辅氧剂

Richard G Zepp1, Brad Acrey2, Mary J B Davis1

  • 1Office of Research and Development (ORD), Center for Environmental Measurement and Modeling (CEMM), U.S. Environmental Protection Agency (EPA), 960 College Station Rd, Athens, GA, USA.

Journal of polymers and the environment
|March 22, 2024
PubMed
概括

纳米二氧化-低密度聚乙烯复合物的气候变化释放有毒SiO2. 频谱权重函数量化波长对阳光引起的气候变化的影响,这对于材料耐用性评估至关重要.

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相关概念视频

Deleterious Substances in Aggregate01:25

Deleterious Substances in Aggregate

Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
Another type of impurity is clay and fine material that...