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Journal of Nanomaterials
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Journal of Nanomaterials
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2010
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Article
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Fig 3
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Research Article
Polyamic Acid Nanofibers Produced by Needleless Electrospinning
Figure 3
SEM pictures of the PAA nanofiber layers: (a) 21.5, (b) 22, (c) 22.5, (d) 24, and (e) 26 wt%.
(a)
(b)
(c)
(d)
(e)