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.
应用推荐