查询词典 hydracid
- 与 hydracid 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZnO and CeO2 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-440Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 99%, and the productivity is above 95%.
该方法以苯甲酸为反应原料,以氢气为还原剂,以ZnO和CeO 2 的复合氧化物为主催化剂,在固定床反应器中,进行气相加氢还原反应,反应温度为340℃~440℃,气时空速为600h -1 ~4800h -1 ,氢酸摩尔比为20∶1~160∶1,采用本发明制备苯甲醛的选择性可达99%,收率可达95%以上。
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The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZrO2, TiO2 and Y2O3 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-450Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 96%, and the productivity is above 90%.
该方法以苯甲酸为反应原料,以氢气为还原剂,以复合氧化物ZrO 2 、TiO 2 和Y 2 O 3 为主催化剂,在固定床反应器中,进行气相加氢还原反应,反应温度为340℃~450℃,气时空速为600h -1 ~4800h -1 ,氢酸摩尔比为20∶1~160∶1,采用本发明制备苯甲醛的选择性可达96%以上,收率可达90%。
- 推荐网络例句
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This is not an ordinary box, which is used as a background picture of the dialog box, very pretty.
详细说明:这可不是一个一般的对话框,它是用图片作为背景的对话框,非常好看。
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Conceal me what I am,and be my aid for such disguise as haply shall become the form of my intent.
遮掩我的身份,帮助我,我的面具将成为我的目的。
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Now, there is no effective methods for this disease, chemotheraphty and hemapoietic stem cell transplantion are often used, but complete remisson rate is not very high.
目前还没有良好的治疗方法,常采用化疗和造血干细胞移植的治疗手段,但完全缓解率并不高,而且在治疗过程中容易诱发肿瘤溶解综合征。