| 摘要 |
<p>PURPOSE:To raise propagation rates by giving coloring to filter medium of a hotbed and providing illumination of the same color as the coloring in a tank. CONSTITUTION:Coloring is applied to the interior of a purifying tank and the filter medium of a hotbed of bacteria. Then illumination of the same color is applied to all over the interior of the purifying tank. As a result, by finely adjusting the chroma of color and the brightness of illumination, bacterial are effectively propagated.</p> |
