作者: Douglas E. Reeves
DOI:
关键词: Materials science 、 Container (type theory) 、 Aperture (computer memory) 、 Closed cell 、 Engineering drawing 、 Polyurethane 、 Acoustics
摘要: A container is provided that may include a transparent portion reveals an interior of the container, access aperture communicating with and lid adjacent aperture. first component placed into portion. second poured The closed to fully enclose components. components in are agitated until mixture uniform color, without appearance marbling swirling, when viewed through container. opened expose color. color from receiving structure. transformed closed-cell polyurethane structure within