The theoretical analysis of nano - silica gel for oil displacement is conducted to quantitatively study the oil displacement effect of sio2 gel system in nanometer scale 摘要为了定量研究纳米级二氧化硅粉体成胶体系的驱油效果,对纳米硅胶驱油机理进行了理论分析。
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Spherical silica ( sio2 ) particles were obtained by the process of heating irregularly shaped sio2 powders under radio frequency plasma ( rf plasma ) condition 摘要采用射频等离子体球化颗粒形状不规则的二氧化硅粉体,研究了加料速率、颗粒大小等因素对球化率的影响。