氟碳铈矿纯碱焙烧低酸浸出，在还原条件下直接用盐酸浸出制取工业氯化稀土。
The reductive extraction method of bastnasite baked by sodium carbonate and low acidity HCI leaching for making rare earth chloride is reported.
以ZnO粉和石墨粉为原料，用碳热还原法获得了分区生长的多种形貌ZnO晶体。
Using zinc oxide and carbon powder as raw material, different shaped ZnO crystals are obtained in different area by the carbothermal reduction method.
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