The result indicates that: density stratification in density lock formed by hot and cold fluid can prevent heat transfer downward in the vertical channel;
研究结果表明：在竖直通道中，冷热流体在密度锁内形成的密度分层能抑制热量向下传递；
It has adopted colloid electrolyte technology, avoiding density stratification problem of acid solution and eliminating plate corrosion and passivation caused by density stratification.
采用胶体电解质技术，绝无酸液浓度层化问题，完全消除因浓度层化引起的极板腐蚀和钝化现象。
It has adopted colloid electrolyte technology, avoiding density stratification problem of acid solution and eliminating plate corrosion and passivation caused by density stratification.
采用胶体电解质技术，绝无酸液浓度层化问题，完全消除因浓度层化引起的极板腐蚀和钝化现象。
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