Australia Alone produces fifty two% of the earth’s lithium. As opposed to Chile, where lithium is extracted from brines, Australian lithium comes from really hard-rock mines for the mineral spodumene. 矽肺（silicosis）又稱矽肺，是塵肺中最為常見的一種類型，是由於長期吸入大量含有游離二氧化矽粉塵所引起，以肺部廣泛的結節性纖維化為主的疾病。矽肺病人由於兩肺發生廣泛性纖維組織增生肺組織的微... https://www.speakfreelee.com/post/81193_formula-of-calcium-nitride-ca-n-the-chemical-representation-of-calcium-nitride-a.html