PMC:7796291 / 29527-29881 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T242","span":{"begin":220,"end":354},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"(A,D) Layer structures of respirators visualized by X-ray computed tomography (Xµ-CT), (B,E) 2D images and fiber diameter distribution using Xµ-CT and FE-SEM, and (C,F) morphological parameters of respirator components. The fiber diameter distribution is suggested in frequency and percentage, indicated as the red bar graph and black line, respectively."}