日本日信工业公司最近试验成功了一种新的铝制品铸造法 ,能大大缩短铝铸件的凝固时间 ,同时又减少二氧化碳的排出量。据新华社报道 ,该公司最近向此间媒体公布的一份新产品信息说 ,新的铝铸造技术名叫“还原铸造法” ,其特点是在向模具浇注铝熔液之前 ,把镁和氮的气状化合物作 Japan’s Nissin Industries recently successfully tested a new aluminum casting method that drastically reduces the setting time of aluminum castings while reducing carbon dioxide emissions. According to Xinhua News Agency reported that the company recently released to the media, a new product information that the new aluminum casting technology called “reduction casting method”, which is characterized by pouring molten aluminum mold before the magnesium and nitrogen Gas-like compound made