| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To efficiently prevent the attachment and growing of living organisms which propagate in an intake pipe and may have an adverse effect, without affecting water quality. <P>SOLUTION: In a metallic pipe 1 such as a cast iron pipe and a ductile iron pipe, a mortar lining layer 2 is formed on an inner face, and an inner face coating 3 is formed on a surface of its cement lining layer 2 by using a seal coating agent to which an antibiotics composed of silicon dioxide supporting thiosulfite silver complex, is added. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
