活化度为1,表明改性后的纳米碳酸钙已经由亲水性变为疏水性。
The activation grade of the modified nano-calcium carbonate reaehed 1, which shows the surface of the nano-CaCO_3 was modified from hydrophilic to hydrophobic.
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.
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