Research on Coal Mine Gas Microbial Degradation Device Based on Charcoal Filling Material.

ACS Omega · 2025 · PMC12268392 · PMID 40687040

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an increasing trendno p-value reported

, Atmospheric methane content data show an increasing trend year by year, and its contribution to the Earth’s greenhouse effect accounts for about 30%.

also in 63,971 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.