However, the ANAMMOX reactor start-up is very slow and difficult.

但是，厌氧氨氧化菌生长缓慢，厌氧氨氧化反应器启动困难。

youdao

The rapid formation of anaerobic granular sludge is the key to the high-rate anaerobic reactor start-up.

厌氧颗粒污泥的快速形成是高效厌氧反应器启动的关键。

youdao

That's a lot of risk capital for any venture-backed start-up, especially considering that not one new commercial nuclear reactor design has been approved and built in the United States for 30 years.

WSJ: The New Nuclear Revolution

Lightbridge Corporation, a pioneering nuclear-energy start-up company based in McLean, VA, is developing the Radkowsky Thorium Reactor in collaboration with Russian researchers.

FORBES: Is Thorium the Biggest Energy Breakthrough Since Fire? Possibly.