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hfli0204铁杆木虫 (著名写手)
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求助digestion是陈化的意思吗？怎么理解更合理
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Zirconium oxides were prepared following a similar procedure described in reference. A 5 wt.% aqueous solution of zirconium chloride was first prepared, and then 25% aqueous ammonia was added dropwise to this solution under stirring at room temperature until the resulting solution pH leveled off at 10. The formed hydrous zirconia was divided into two portions; one was subjected to digestion at 90 ◦C for 60 h while the other was left to age at room temperature for 60 h. After that the solids were recovered and washed free of chloride, followed by drying at 90 ◦C for 8 h and calcination at 450 ◦C for 2 h. The obtained ZrO2 were then grinded to powder. The zirconium oxides from digestion and aging were referred to as ZrO2-A and ZrO2-B, respectively. 这段话中“digestion”是陈化的意思吗？怎么理解更合理 |
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