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wwwbeyond金蟲 (著名寫手)
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[求助]
高手幫忙看下,這是所謂的incipient wetness method嗎? 已有2人參與
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和等體積浸漬,干浸漬是不是一回事呢?混捏法是不是也是這個意思呢? 發(fā)自小木蟲Android客戶端 |

鐵桿木蟲 (正式寫手)
學生
金蟲 (著名寫手)
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a mixed solution of 9.4 mL of Ca(NO 3 ) 2 ·4H 2 O (1.0 M) and 2.4 mL of Ce(NO 3 ) 3 ·6H 2 O (1.0 M) was added to 9.0 g of La 2 O 3 powder. The mixture was kneaded thoroughly and aged and dried at 23 ? C for 24 h. The dried solids were then heated in air at a rate of 10 ? C min -1 to 500 ? C and held there for 30 min in air 發(fā)自小木蟲Android客戶端 |

金蟲 (著名寫手)

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