技术文摘 关键词:活性二氧化硅,改性,磷钨酸,酯化,油酸甲酯 [gap=1027]Key words：activated silica;modification;phosphotungstic acid;esterification;methyl oleate
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硅灰是一种极细的火山灰质的高活性二氧化硅。
Microsilica is a sort of tiny pozzolana with high-active silicon dioxide.
本文介绍的活性二氧化硅的制备及性质实验是为化学专业无机化学实验课而设计的一个综合性实验。
The experiment, the preparation of the active silicon oxide and the test of properties, is designed for the inorganic chemical experiment in Department of Chemistry.
活性矾土、二氧化硅、硅藻土及煤灰对高温烟气中碱金属的脱除都有一定的效果。
Active bauxite, silicon dioxide, diatomaceous earth and ash have been found suitable for alkali removal from hot flue gas in a coal conversion system.
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