Kajian Struktur Serat dan Porositas Masker Udara
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 the fiber diameter image of all mask brands in layer 2 is smaller than layer 1 a...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Universitas Negeri Semarang
2018-05-01
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Series: | Jurnal Fisika |
Subjects: | |
Online Access: | https://journal.unnes.ac.id/nju/index.php/jf/article/view/13966 |