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- heterogeneous fixed bed 多相固定床
- Cyclopentenopyridine(3) in yield of 65% was synthesized from acrolein,cyclopentanone and NH3 by heterogeneous catalysis reaction through a fixed bed reactor. 以丙烯醛和环戊酮为原料,用固定床多相催化法合成了2,3-环戊烯并吡啶,收率65%25(以环戊酮质量计算),含量高于50%25。
- Cyclopentenopyridine(3) in yield of 65% was synthesized from acrolein,cyclopentanone and NH3 by heterogeneous catalysis reaction through a fixed bed reactor.The content of 3 was more than 50%. 以丙烯醛和环戊酮为原料,用固定床多相催化法合成了2,3-环戊烯并吡啶,收率65%25(以环戊酮质量计算),含量高于50%25。
- Abstract: Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized. 文摘:总结了我国固定床加氢裂化装置历年来发生的典型故障。
- The catalytic reaction from synthesis gas to methanol in a fixed bed reactor with CNJ - 502 catalyst is studied. 利用CNJ502催化剂在固定床反应装置上研究由合成气合成甲醇的催化反应.
- Initiative cracking of n-heptane,a model compound of heavy hydrocarbons,was investigated in a fixed bed microreactor. 以正庚烷为高碳烃的模型化合物,在微反装置上对正庚烷的引发裂解进行了研究。
- Lignite gasification used in pressured fixed bed gasifier is an efficient measures for upgrade its use value. 褐煤用于固定床加压气化是提升其使用价值的有效措施。
- Fixed bed resid hydrodesulfurization technologies have been patented by chevron,Unocal, IFP, UOP and SIPM. 关于固定床式渣油加氢脱硫技术，目前世界上雪夫隆、联合油、IFP、UOP和壳牌等5家公司有专利技术。
- In the fixed bed reactor with a quartz tube, the laws of uncatalyzed reaction between soot and NO were investigated. 在石英管式炉固定床反应器上研究了程序升温条件下炭黑与NO反应的规律。
- Thus the hot spot which causes catalyst deactivation in conventional fixed bed reactor is avoided. 这样就避免了一般固定床反应器中过热部位使催化剂减活的现象。
- The two kinds of reactors are compared with the adiabatic fixed bed used nowadays. 将这两类反应器与现用的绝热型反应器进行了比较。
- Coal consumption of COREX is too much and coke is still used to supply effective calorific value of coal and form a fix bed with carbon. COREX的主要问题有两个,其一是煤耗过高,其二是仍需使用一定比例的焦炭,以补充有效热值和形成含碳固定床。
- Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized. 总结了我国固定床加氢裂化装置历年来发生的典型故障。
- The study investigates the effects of temperatures, moisture,chlorine during waste incineration both in a fix bed and in a rotary incinerator. 在转式垃圾焚烧炉和固定床加热炉中,研究了有机垃圾焚烧过程中温度、水分、无机氯及有机氯对几种重金属分布的影响。
- Pre-esterification of China wood oil catalyzed by solid acid in fixed bed reactor was researched. 利用固定床反应器,以固体酸为催化剂催化桐油预酯化反应。
- Causes of too fast increase of the pressure drop and location in the fixed bed reactor of hydrocracker were discussed. 讨论了加氢装置固定床反应器压力降升高过快的原因及产生的位置。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- Made up of loosely cemented heterogeneous material. 成团的由不同特质经松散粘和而成的
- Sawing machines with fixed tool during operation, having a fixed bed with manual feed of the work piece or with a demountable power feed. 工作时,圆锯片不移动,有固定床身,采用手工送料进给或可拆卸动力送料的圆锯机。
- The quality or state of being heterogeneous. 多种多样含有多种成分的性质或状态
