PMC:7796291 / 5321-5528 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T32","span":{"begin":0,"end":207},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The change of filtration performance after treatments and the probable causes for the change were examined by measuring surface potential, wettability, chemical property, and the morphology of filter fibers."}