After 14 months of repairs, the giant machine was restarted on Friday evening and the first beam started circulating in a clockwise direction around the tunnel about 10pm.
The machine had just begun circulating its first protons in September 2008 when a connection between two of its superconducting magnets failed catastrophically.
2008年9月，对撞机正开始第一轮质子循环时，两块超导磁铁的连接处发生毁灭性的故障。
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ZSF68 can be used as defoaming agent in heart-lung machine blood circulating to prevent air enter.