| 单词 | phillipsite |
| 例句 | This new study says the scientists found significant amounts of tobermorite growing through the fabric of the concrete, with a related, porous mineral called phillipsite. Scientists explain ancient Rome's long-lasting concrete - BBC News 2017-07-04T04:00:00Z Over time, seawater that seeped through the concrete dissolved the volcanic crystals and glasses, with aluminous tobermorite and phillipsite crystallising in their place. Why Roman concrete still stands strong while modern version decays 2017-07-04T04:00:00Z The researchers found a silicate mineral called phillipsite, which is common in volcanic rocks, with crystals of aluminium tobermorite growing from it. Seawater is the secret to long-lasting Roman concrete 2017-07-02T04:00:00Z But the researchers found that when seawater percolates through a cement matrix, it reacts with volcanic ash and crystals to form Al-tobermorite and a porous mineral called phillipsite, they write today in American Mineralogist. Why modern mortar crumbles, but Roman concrete lasts millennia 2017-07-03T04:00:00Z |
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