Optimization of Biodiesel Production over Chicken Eggshell-Derived CaO Catalyst in a Continuous Centrifugal Contactor Separator.

Ind Eng Chem Res · 2018 · PMC6168220 · PMID 30319174

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

slightly significantno p-value reported

During the fifth and sixth cycles, the biodiesel yield dropped slightly significant to less than 80%.

also in 1,756 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.