常見例句An odor of copperas issued in puffs from the roofs of the neighboring factory. 陣陣硫酸化合物的氣味從附近一家工廠的房頂上冒出來(lái)。The major ore mineral in the Shijuli copper deposit is chalcopyrite, copperas stone and so on. 石居里銅礦床礦石中主要礦石礦物由黃銅礦及黃鐵礦等組成。The polymerizing ferric sulfate can be produced by oxidizing copperas which is the by product of titanium dioxide and adding polymerizer. 本文以鈦白副產(chǎn)品綠礬為原料,氧化后,加入聚合劑生產(chǎn)聚合硫酸鐵。New technology of copperas preparation from pyrite cinders 以硫鐵礦燒渣為原料制備綠礬新技術(shù)Keywords pyrite cinders;copperas potassium;iron yellow; 硫鐵礦燒渣;硫酸亞鐵;鐵黃;Keywords Cr6+;Basic waste water;Direct treatment;Copperas; 堿性廢水;直接處理;七水硫酸亞鐵; 返回 copperas