通过分析可得出，造纸污泥在加热过程中没有明显吸、放热现象，表现出良好的耐热性。
The results showed that there were no obvious heat absorption and leak effects when the paper mill sludge was heated.
热声现象是放热过程和声学脉动之间的一种正向的相互激励。
The thermoacoustic phenomenon is a positive excitement betWeen lieat release and acoustic oscillation.
当电流从一种金属流入另一种金属时，在结点处所发生的释放热或吸收热的现象。
Phenomenon whereby heat is liberated or absorbed at a junction when current passes from one metal to another.
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