发汗剂”从多孔材料挤出，迅速分解汽化，从而大量吸热。在医药领域，发汗剂能发汗退热。
本文采用水作为发汗剂研究了发汗控制问题。
The transpiration control problem is investigated with water as the coolant.
试验结果表明，选用N2气作为发汗剂，在一定发汗压力下，可获得有效的发汗冷却效果。
The results has shown that using N2 as the coolant can sufficiently alleviates the ablation of this contrast under a discharge condition imitating the real heat flux.
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