A stepwise carbochlorination-chemical vapor transport(SC-CVT) technique is proposed for separation of thorium from mixed bastnaesite-monazite concentrate.
以氟碳铈矿-独居石混合矿为研究对象,分步选择性碳热氯化-化学气相传输反应(SC-CVT),实现钍与其它素分。
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These adaptive changes appear to have strengthened interindividual affiliation, increased male-male tolerance and facilitated the stepwise aggregation from independent one-male, multifemale groups to large multilevel societies, the article said.
文章说,这些适应性变化似乎强个体间联系,男性-男性容忍度,并促进从独立一男多女群体逐步聚集到大型多层。