Nanofiltration for Arsenic Removal: Challenges, Recent Developments, and Perspectives.

Nanomaterials (Basel) · 2020 · PMC7407220 · PMID 32640523

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a statistical trendno p-value reported

NF membrane was first introduced in the late 1980s, and since then has gone through significant progressive transformation with time, which is shown in Figure 6 through a statistical trend in the number of publications per year for the last 20 years.

also in 2,798 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.