In order to test the validity of the method, the inverted U-tubes break accident of Steam Generator and etc are used as examples, and many simulation experiments are performed.

为了验证该方法的有效性，以核电厂设备蒸汽发生器u形管破裂等故障为例，进行了仿真实验研究。

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This paper analyzed the energy consumption of a system in operation status——the double U-tubes vertically buried tube ground-source heat pump system in an air force station of Chongqing.

基于重庆市某空军场站的双U管竖埋式土壤源热泵系统工程，对该系统冬季变工况下的运行能耗进行了分析。

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Reflux condensation is studied in single inverted U tubes.

进行了单根U型管内蒸汽冷凝回流实验。

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At San Onofre, each one stands 65 feet high, weighs 1.3 million pounds and has 9, 727 U-shaped tubes inside, each 0.75 inch in diameter.

NPR: Calif. Reactors Might Be Retired If Restart Nixed

Only a month ago, the only argument among nearly all journalists, pundits and leftwing politicians was whether the U.S. economy would stop at a recession or tumble all the way down the tubes to a 1930s-style depression.

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