The inner layer is made of vinyl strips coated in a photocatalyst material that captures and neutralises harmful particulates in the air.
内层由乙烯基片组成，它被覆盖了光催化材料，这种基片可捕捉并中和空气中的有害颗粒。
The photocatalyst coated on the stainless steel mesh showed higher activity while it was on the mesh with higher number, however it was not as good as the photocatalyst coated on the aluminum plate.
涂覆在不锈钢网状上的光催化剂性能随载体目数的增加而提高，但不及涂覆在铝板上的光催化剂。
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