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我们在前几报中业已指出在La-Sb-S体系中,不同类型三元化合物的生成与反应温度密切相关,但是,随着越来越多的新型化合
We have pointed out in previous reports that in La-Sb-S system, the formation of different types of ternary compounds is closely related to the reaction temperature, however, as more and more new compounds