The silicon containing minerals in bauxite are very apt to be slimed so as to produce a large amount of secondary slime which can seriously affect the silicon removal in reverse flotation.
2
方法利用扫描电镜观察镧奶、氟奶、钙奶处理人工釉质龋后脱矿釉质表面沉积物的再矿化效果。
Methods By scanning electron microscope technique, the effect of milk with lanthanum, fluoride and calcium on the artificial enamel mineralization was observed respectively.
3
目的观察镧奶、氟奶、钙奶再矿化液对人工龋表层下脱矿的再矿化作用及再矿化的形成机制。
Objective To evaluate the remineralization effect of milk with lanthanum, milk with fluoride and milk with calcium on artificial enamel caries.
点击反馈