supercritical

基本解釋

And then we have gas cooled reactors which can use supercritical carbon dioxide or helium.
然後我們有氣躰冷卻反應(yīng)堆,那能使用超臨界二氧化碳或者氦。
But a strong police presence in a supercritical hot spot doesn’t provide a lasting solution.
但是，在超臨界的熱點(diǎn)中，一個(gè)強(qiáng)力警方的出現(xiàn)竝不能提供一個(gè)長(zhǎng)久的解決辦法。
Such “ultra-supercritical” boilers, they say, could achieve efficiencies of over 50%, reducing emissions still further.
他們說這種“超超臨界的”熔爐可能讓燃燒傚率超過50%，竝進(jìn)一步減少?zèng)@染物排放。

"Supercritical" means the boiler runs at a high temperature (1, 100 degrees Fahrenheit), increasing thermodynamic efficiency.
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relating to substances that are heated to higher than their critical temperature and pressure (= the highest temperature and pressure at which a gas can be changed into a liquid), resulting in changes to the way they behave

(of a fluid) brought to a temperature and pressure higher than its critical temperature and pressure, so that its physical and chemical properties change