The Coal Black Liquor Mixture (CBLM) Technology, BL Membrane Treatment Technology, Integrated Membrane Technology (IMT) are introduced in this paper.

介绍了黑液水煤浆技术，黑液膜处理技术，集成膜技术。

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Using an array of 10 powerful radio telescopes, aimed at the galaxy BL Lacertae, the researchers studied a black hole just as it was sending forth a blazar jet.

BBC: Black holes reveal more secrets