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ankang276金蟲(chóng) (正式寫手)
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[求助]
求助一段翻譯
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Catalysts with 20 wt.% Mo2C supported on HY zeolite and doped with 0.5–2 wt.% Mg or 1 wt.% K, were prepared by co-impregnation of the zeolite (ZeolystTM CBV720, SiO2/Al2O3=30) using a quantified aqueous solution of ammonium heptamolybdate tetrahydrate (MoO3 81.0–83.0%, Sigma) mixed with magnesium nitrate hexahydrate (99%,Sigma) or potassium nitrate (99.97%, BDH Chemicals). After aging at 70 °C for 2 h, the impregnated support was dried at 120 °C for 12 h and calcined at 500 °C for 4 h. |
木蟲(chóng)之王 (文壇精英)
| 負(fù)載于HY分子篩并用0.5-2%(質(zhì)量)Mg或1%(質(zhì)量)K摻雜的20%(質(zhì)量)Mo2C催化劑的制備,是通過(guò)用四水七鉬酸銨(MoO3 81.0–83.0%, Sigma)與六水硝酸鎂(99%,Sigma公司)或硝酸鉀(99.97%, BDH Chemicals)的混合物的定量水溶液來(lái)共同浸漬分子篩(Zeolyst TM CBV720, SiO2/Al2O3=30)。浸漬后的載體在70°C老化2小時(shí)后,再在120°C老化12小時(shí),在500°C焙燒4小時(shí) |

金蟲(chóng) (小有名氣)
| 有20%(質(zhì)量分?jǐn)?shù))的 Mo2C負(fù)載于HY分子篩并摻雜了 Mg(質(zhì)量分?jǐn)?shù)0.5-2 %) 或K(1%)的催化劑,是通過(guò)用四水七鉬酸銨(MoO3 81.0–83.0%, 西門子公司)與六水硝酸鎂(99%,西門子公司)或硝酸鉀(99.97%, BDH 化學(xué)制劑)的定量水溶液混合來(lái)共同浸泡分子篩而制得的。在70°C老化2小時(shí)后,再將浸泡后的載體在120°C下干燥12小時(shí),然后在500 °C下煅燒4小時(shí)。 |
金蟲(chóng) (小有名氣)
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