The sandcastle worm , as the beast is known, lives in a mineral shell.
沙堡蠕虫生活在矿壳中.
It is proved that Ni-P alloy catalyst has obvious cavity structure, and its shell exists the worm-shaped nano-scale pore structure, and facilitates the exchange of materials within and outside the cavity.
证明了Ni-P非晶态合金纳米球具有明显的空腔结构,其壳层中存在蠕虫状的纳米级孔道结构,方便了空腔内外物质的传递。
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