| 摘要 |
<p>The cartridge has a body (2) with a grid (7) and an annular wall (8) oriented transversely to this grid and surrounding it, and having a layer (3) of gel growth medium and a flexible fluidtight film (4) tensioned over an end surface of the annular wall (8) and delimiting an end surface of the layer of gel growth medium (3). According to the method, the surface of the layer of gel growth medium(3) delimited at the time of manufacture by the tensioned film (4) is struck with air jets in order to impact on this surface the micro-organisms present in the air. The apparatus has a positioning support common to a sieve for forming the air jets and to the body (2) of the cartridge (1). <IMAGE></p> |
