PMC:7796291 / 10556-11150 JSONTXT

Annnotations TAB TSV DIC JSON TextAE

Id Subject Object Predicate Lexical cue
T94 0-212 Sentence denotes FE-SEM images of filter samples were observed by Supra 55 VP (Zeiss, Oberkochen, Germany), with prior coating with Pt at 20 mA for 120 s, using a 108auto sputter coater (Cressington Scientific Inc., Watford, UK).
T95 213-313 Sentence denotes The thickness of respirator layers was measured using a thickness gauge under the pressure of 2.4 N.
T96 314-594 Sentence denotes Porosity and solidity of webs were calculated based on Equations (1) and (2), where m is mass of the material, A is area of the material, t is thickness, and ρ is the material density (0.95 g/cm3 for PP was used):Porosity (%) = (1 − solidity) × 100 (%)(1) Solidity = m/(A⋅t⋅ρ)(2)