Browsing A - Mathematics and Natural Sciences by Author "Rahmawati"

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    • Kajian Struktur Serat dan Porositas Masker Udara 

      Rahmayanti, Handika Dany; Rahmawati; Sustini, Euis; Abdullah, Mikrajuddin (Jurnal Fisika Unnes, 2018-06-05)
      There are 6 brands of air masks on the market that are Evo med, Nexcare carbon, Nexcare daily, Indomaret, Borma and Evo club. All masks on the market have 3 layers. Based on the results of microscopy testing showed that ...