...临界压力之上，而蒸发压力位于临界压力之下，故将此循环称为跨界循环（transcritical cycle)或超临界循环（supercritical cycle）,CO₂(R744）就是采用跨临界循环的一种制冷剂。
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超超临界循环 USCSC
超临界循环流化床锅炉 SCCFB
超临界压力循环 supercritical pressure cycle ; supercritical cycle ; cycle supercritical pressure
目前国际上对超临界循环流化床燃烧技术的研究基本处于起步阶段，我国尚未开展这方面的研究工作。
So far supercritical pressure circulating fluidized bed boiler with vertical furnace walls is still at the stage of feasibility in the world. Our country has still not done this research.
某超超临界660 MW机组发生循环水泵外筒体断裂脱落、陶瓷轴承损坏的事故，造成重大损失。
The serious damage accidents induced by the out shell and ceramic bearing fracture of circulating pump in 660 MW thermal power plant have lead to great losses.
得出最理想的方法是提高泵的转速，同时也证明了超临界氦循环泵采用高速全流泵和高速部分流泵设计的可行性。
It is proved that the best method is to enhance the rotor speed and the study shows that the pump can be designed as a full emission or a partial emission pump with a high speed.
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