م مقاله کنفرانسی سال ۱۳۹۹ ۸۰۵ مشاهده Combustion and emission analysis of Apium graveolens biodiesel The present experiment surreys the new specious of biodiesel Apium graveolens oil by a 3LD 510 model die… biodieselDiesel engineApium graveolens