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loser_zhu

木虫 (小有名气)

[求助] 求一段加氢方面的翻译

Desired amount of DL-malic acid was then added to boehmite sol in 2:1 ratio. The mixture was stirred vigorously at 80℃ for 1 h and aged on water bath at 90℃ for 3 h. The gel was then dried at 120℃ for 6 h to obtain the dry gel followed by calcination at 500℃ for 4 h to form stable mesoporous r-Al2O3 [10]. The sample was labeled as AM = (r-Al2O3 prepared using malic acid).
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Carena

铁杆木虫 (知名作家)

【答案】应助回帖

在水铝石溶胶中加入一定量的DL-苹果酸(两者比例为2:1)。在80℃温度下,剧烈搅拌该混合物约1小时,再在90℃的水浴中将其老化3小时。将所得湿凝胶在120℃的高温下进行6小时的干燥得到干凝胶,然后将干凝胶在500℃高温下煅烧4小时以形成稳定的介孔r-Al2O3 。样品标记为AM(即用苹果酸制备的r-Al2O3 )
Impossible Is Nothing
3楼2011-08-16 09:23:03
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sltmac

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★
爱与雨下(金币+1): ~! 2011-08-16 08:51:07
loser_zhu(金币+26, 翻译EPI+1): 2011-08-16 10:18:53
将一定量的DL-苹果酸加入到水铝石溶胶中(两者比例为2:1)。混合物在80℃剧烈搅拌1h,再在90℃水浴中老化3h。形成的湿凝胶在120℃干燥6h得到干凝胶,然后将得到的干凝胶在500℃下煅烧4h形成稳定的介孔r-Al2O3 。样品标记为AM(即用苹果酸制备的r-Al2O3 )

[ Last edited by sltmac on 2011-8-16 at 09:13 ]
云淡风轻
2楼2011-08-16 08:44:34
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