Study on lightening of coal tar with metal oxide supported γ-Al<sub>2</sub>O<sub>3</sub> catalyst.

Sci Rep · 2023 · PMC10603164 · PMID 37884641

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

an increasing trendno p-value reported

4 that with the increase of the pyrolysis temperature, the proportion of most of the light fractions in the collected coal tar showed a decreasing trend, and the proportion of washing oil and asphalt showed an increasing 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.