碱土稀土三元硫化物,alkaline earth-rare earth ternary sulfide
Alkaline-earth rare-earth sulfide碱土-稀土硫化物
3)Rare-earth ternary sulfide碱土稀土硫化物
4)ternary rare-earth germanides三元稀土锗化物
5)rare-earth sulfide稀土硫化物
1.The inclusions in the trial steel were mainly sphericalrare-earth sulfides and chain compound inclusions of alumina surrounded byrare-earth sulfide,and at the same time,the rare earth oxides were difficult to generate.试验钢中主要形成球状稀土硫化物,同时还形成有链状"稀土硫化物包围氧化铝"的复合夹杂物,而稀土氧化物难以生成。
6)basisch and clayey sulfide碱土硫化物
1.The production of the long-time lingering fluorescentbasisch and clayey sulfide is elaborated by experiment.以实验为依据，阐述长余辉碱土硫化物的制备过程，以及基质浓度、激活剂、锻烧温度对发光性能的影响，寻求最佳长余辉材料。
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