用红外光谱(IR)和程序升温脱附(TPD)考察了催化剂的酸性随硅铝比变化规律,并将这些规律与实验结果关联起来进行了讨论。
The relationship between the acidity and catalytic properties of ZSM-5 zeolite catalysts was discussed on the basis of the experimental resu…
采用旋转磁场,研究了密度比周围铝熔体密度大的初生硅夹杂物颗粒在旋转磁场下的分布规律。
An experimental apparatus applied with RMF was employed to study the distribution of silicon particle with density larger than its surrounding molten aluminum alloy under magnetic field.
针对铝酸钠溶液除硅过程,研究苛性比、碱浓度、配钙量、温度等对水合硅酸钙形成的影响规律。
The results indicate that the formation of calcium silicate hydrate is difficult at normal pressure.
当选矿尾矿铝硅比低于拜耳法赤泥铝硅比时,提高精矿铝硅比不仅将提高经济效益而且不降低资源的利用率。
Moreover, when the ratio of aluminum to silicon of the tailing resulted from ore dressing is lower than that of the red mud resulted from ore processing with Bayer Process…
本发明公开一种可用低铝硅比的矿料,如高岭土,粘土等生产氢氧化铝的方法。
The present invention discloses a process for producing aluminium hydroxide from low aluminium-silicon ratio mineral materials such as kaolin and clay.
结果表明,分子筛的氢转移反应性能主要受其结构类型和硅铝摩尔比(即酸性)的影响,宽敞的孔道结构和高密度的酸性位有利于氢转移反应的进行。
The results showed that hydrogen transfer reaction performances of zeolites depended on the type of pore structure and acidity, spacious pore and high acid sited…
结果表明,分子筛的氢转移反应性能主要受其结构类型和硅铝摩尔比(即酸性)的影响,宽敞的孔道结构和高密度的酸性位有利于氢转移反应的进行。
The results showed that hydrogen transfer reaction performances of zeolites depended on the type of pore structure and acidity, spacious pore and high acid sited…
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