1. Therefore meerschaum can be regarded as soil conditioners in Cd contaminated soil.

2. The modified meerschaum was first used to recover gallium from acid lixivium of zinc residues and the experimental results were satisfactory.

3. The conditions and mechanism of removing fluoride ions from water by activated meerschaum have been investigated in this paper.

4. "My lady's airs and graces shan't keep us out of Essex for all that, " said Robert, as he twisted the letter into a pipe-light for his big meerschaum.

5. In addition, the preliminary discussion has been made for the mechanism of both the function-changing-in-acid and absorption of the meerschaum.