Experimental study on temperature and gas concentration evolution law during coal spontaneous combustion in the goaf.

Sci Rep · 2025 · PMC12092767 · PMID 40394104

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

As the distance from the high-temperature heat source increases, CO concentration shows a decreasing trend.

also in 47,180 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.