The effect of the surface modification of barite power was characterized by activity index and FTIR. The activity index indicated that modified barite power has a better hydrophobicity.
经活化指数测定，改性后的重晶石矿物表面的疏水性得到了明显改善；
The effect of the surface modification of barite power was characterized by activity index and FTIR. The activity index indicated that modified barite power has a better hydrophobicity.
经活化指数测定，改性后的重晶石矿物表面的疏水性得到了明显改善；
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