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| Ecology Ecosystem Effective Humus Emulsifier Or Emulsifying Agent Enzyme Equivalent Weight Or Combining Weight Erosion Evapo-Transpiration Extraction |
| A substance used to produce an emulsion of two liquids which do not mix. Emulsifiers may be divided, according to their behaviour, into ionic and non-ionic agents. The ionic types may be further divided into anionic, cationic and amphoteric, depending upon the nature of the ion-active groups. |