The shammy, made out of rayon or poly-vinyl, can hold a lot of water and dry quickly, the former US diver reveals.

这种由人造纤维丝或聚乙烯醇树脂制成的麂皮革可以快速吸干运动员身上的大量水分。

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The coating film contained a biocompatible semipermeable material, cellulose acetate, and a water soluble pore-forming agent, poly(ethylene glycol).

膜衣成分包含具有生物相容性材料-醋酸纤维素与水溶性孔洞形成剂-聚乙二醇。

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Objective To simplify the detection method of sulfate in the water purifying agent poly aluminium chloride.

目的简化净水剂聚氯化铝中硫酸根的分析方法。

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Otto Wichterle, when a professor of chemistry in Prague in the 1950s, had discovered a polymer called hydrogel poly-hydroxyethyl methacrylate, with its affinity for water.

ECONOMIST: Otto Wichterle