The production of surface active compounds by micro-organisms and its possible significance in oil recovery. I. Some general observations on the change of surface tension in microbial cultures.
D001419:Bacteria / Q000208:ethnology*; D005658:Fungi / Q000208:ethnology*; D013500:Surface Tension; D013501:Surface-Active Agents
D013501:Surface-Active Agents
BACTERIA/culture; FUNGI/culture; SURFACE-ACTIVE SUBSTANCES/preparation of