论文信息 - Elucidating the challenges in extracting ultra-slow flame speeds in a closed vessel—A CH<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msub><mml:mrow /><mml:mn>2</mml:mn></mml:msub></mml:math>F<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><