anaerobiosis

1.Availability of Oxygen-The degree of anaerobiosis is a principal factor controlling fermentations. with yeasts. when large amounts of oxygen are present, yeast cell production is promoted.

人类通研究，作为好奇而得到产物，已开发了一批控制自然系统。其中之一是通控制（也进）微生物生长来保藏食物。