用实验的方法研究了用粉煤灰制取多孔粉末材料对重金属离子的富集能力。

The collection capacity of heavy metal ions by porous powder made from fly—ash is studied.

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因为阴极极化作用超过一定范围，会导致氢气的大量析出，从而使镀层变得多孔、粗糙、疏松、烧焦，甚至是粉末状的，质量反而下降。

Because the cathode polarization effect more than a range, will lead to a large number of hydrogen, and separation coating becomes porous, rough, loose, scorched, even the powder, quality just drop.

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结论采用粉末烧结技术研制的多孔板的特性满足水升华器的性能要求。

Conclusion Porous plates developed by making use of sintered powder technology could meet requirements of performance of water sublimator.

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