简介:Burning-onandmethodsofpreventingit;DesignandProcessofCastingAluminumImpellersforHydraulicTorqueConverters;Developmentofgreensandmoldprocessforthinheatresistancesteelcastings;Hydrogengaspick-upofAl-alloymeltduringLostFoamCasting;Improvingenvironmentalproductionperformanceofgreensandreleaseagents;Influenceofsulfuronheterogeneousnucleusofspheroidalgraphite