| 摘要 |
<p>A cement paste containing microbial cells which has a sustained effect and an excellent function of purifying water. This cement paste contains a mixture of Bacillus subtilis, Bacillus thuringiensis and Bacillus sphaericus cells at a weight ratio of 0.1 to 50:0.1 to 50:0.1 to 50.</p> |
