...储能技术；泡沫金属；相变材料；自然对流；储能效率 [gap=1249]Keywords Engineering thermophysics；Energy storage technique；Metal foam；PCM；Natural convection；Thermal storage efficiency ..
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Phase change materials (PCMs) and sensible heat materials applied in the heat energy storage technique have some fatal disadvantages.
但是目前储能技术中应用较多的两大类储能材料——相变材料和显热材料，均存在一些缺点。
The technique is characterized by long time energy storage and instantaneous large energy release.
该技术具有能量储存时间较长、瞬间释放能量大的特点。
The microwave is an efficient processing technique that use of the weak energy such as electromagnetic wave, electromagnetism field etc in processing and storage of food and agricultural products.
微波加热技术是利用电磁波、电磁场等物理微弱能量对食品、农产品加工、贮藏进行处理的高效节能技术。
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