比较不同硅灰掺量时硅酸盐水泥固化体对铀的滞留能力。
The results indicate that silica fume can improve the retention capabilities of portland cement for uranium.
结果憎水涂层多孔板的水滞留能力显著提高，但其渗透压降也不同程度地增加。
Result Hydrophobic coating porous plate could evidently increase the water retention pressure, but also increase pressure drop of gas permeability in varying degrees.
由于近期的火山灰云层覆盖整个欧洲，我处一些员工滞留在欧洲，这给我们处理申请的能力造成了一定影响。
Due to the recent volcanic ash cloud over Europe, several members of staff were stranded in Europe, which has had an impact on our processing capacity.
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