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- The progress of synthesis of silica alumina catalysts with the range of the pore diameter increases from micropore to mesopore and the application of sol\|gel method are reviewed. 本文综述了硅铝催化材料合成方面的最新进展即所合成的催化剂的孔径从微孔向中孔发展以及利用以溶胶-凝胶法为代表的新制备技术。
- THE EFFECT OF ZEOLITE STRUCTURE AND SILICA ALUMINA RATIO ON ETHYLENE SELECTIVITY IN FCC 分子筛孔结构和硅铝比对催化裂化产品中乙烯选择性的影响
- The dog has nipped the postmen on the leg. 这条狗咬了邮递员的腿。
- SYNTHESIS AND CATALYTIC CRACKING PERFORMANCE OF ZSM-5 ZEOLITES WITH HIGH SILICA ALUMINA RATIO 高硅铝比ZSM-5分子筛的合成及催化裂化性能研究
- He banged into a telephone booth and hurt his leg. 他撞在了一个电话亭上,伤了腿。
- She stabbed him in the leg with a kitchen knife. 她拿菜刀捅伤了他的腿。
- The last leg of our trip was the most tiring. 我们旅行的最后一段行程最累人。
- Keywords silica alumina ferro alloy ore heating mode deoxidation absorption rate; 关键词硅铝铁合金;矿热法;脱氧;铝吸收率;
- The dog gave me a nasty nip on the leg. 那狗在我腿上狠咬了一口。
- He had his leg shot off in a battle. 在一次战斗中,他的一条腿给打断了。
- The child fell downstairs and pitched on its leg. 这孩子从楼梯滚下,把腿摔坏了。
- The last leg of our trip is the most tiring. 我们旅行的最后一段行程最累人。
- His leg had to be taken off above the knee. 他的一条腿从膝盖以上截去了。
- An incision was made into his leg. 他腿上切开了一个口子。
- Her leg fractured in two places. 她的腿有两处骨折。
- His leg was deformed in an accident. 他的腿在一次事故中致畸。
- A drop of blood slid down his leg. 他的腿上流着一点儿血。
- My leg is still very tender where it was bruised. 我腿上碰伤的部位仍有触痛。
- His broken leg was encased in plaster. 他折的腿打上了石膏。
- I could feel the cat rubbing up against my leg. 我感到了猫在我的腿上蹭来蹭去。