对掺入不同数量的橡胶粉和纤维的稀浆封层混合料的湿轮磨耗和负荷轮粘砂指标进行了对比分析研究，提出了橡胶粉的适宜目数和用量，以及......

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The based membrane extraction of Th(IV) and Yb(III) was studied with HBTMPP in heptane. The separation process of Th(IV)......

Several drawing processes of 3N pure copper (Cu) with ultra high reduction in area have been performed, and the texture ......