Ni/Fe and Cu/Fe bimetal were used to dechlorinate tetrachloroethene(PCE).
选用镍/铁和铜/铁双金属对四氯乙烯(PCE)进行脱氯试验 。
2
The “trimmed-mean PCE deflator”, calculated by the Dallas Fed, which excludes those prices that have risen and fallen the most before taking a weighted average of the rest, is up 2.4%.