| 摘要 |
<p>PURPOSE:To mass-produce and to obtain at relatively low cost, and also to obtain strong adsorbing ability and absorbing ability by using an appropriate substance as material. CONSTITUTION:The surface area in a fixed volume is secured at its maximum. Further, by forming in lump as the shape of the whole having a lot of thin film folds 11 a lot of holes and/or projections are formed on the surface and the number of the holes and/or projections in a fixed volume is secured at its maximum to display strong adsorbing ability and absorbing ability.</p> |
