La（1-x）Ax'MnO3催化剂的二氧化硫中毒
The poisoning of catalyst la_ ( 1-x ) a '_x mno_3 by sulfur dioxide
爱因斯坦之所以发明这个冰箱，是有一次他看到有一家人因为冰箱排放的二氧化硫中毒而死。
This question haunted Einstein for many years and has been noted as the beginning of his fascination with science .
二氧化硫中毒