epa method 7e Articles

  • On PM 2.5 Filters, Let’s just clear the air between us; ok?

    In the area of a former military building complex in the Chaoyang District of Beijing is a unique and thriving artistic community.  In the middle of this art district, is a strange 7-meter tall tower shaped like an avant-garde metallic pineapple.  Designed by Dutch artist Daan Roosegaarde, it is both an artistic creation and a functional tool meant to test a possible solution for ...


    By Sterlitech Corporation

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