A stepwise carbochlorination-chemical vapor transport(SC-CVT) technique is proposed for separation of thorium from mixed bastnaesite-monazite concentrate.
以氟铈矿-独居石混合稀土矿为研究对象,采用分步选择性热氯化-化学气相传输(SC-CVT),实现钍与其它稀土元素的分离。
A stepwise carbochlorination-chemical vapor transport(SC-CVT) technique is proposed for separation of thorium from mixed bastnaesite-monazite concentrate.
以氟铈矿-独居石混合稀土矿为研究对象,采用分步选择性热氯化-化学气相传输(SC-CVT),实现钍与其它稀土元素的分离。
But an unexpected fact was noted: certain minerals( pitchblende, chalcolite, autunite) had a greater activity than might be expected on the basis of their uranium or thorium content.
但是一个意外的事实我的注意:某些矿物质(青铀矿物质、铀云母或钙铀云母)活性比根据其铀或针含量所判断的要高。
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