| 摘要 |
The new heteropolysaccharide NW-01 prepared by the fermentation of a Flavobacterium species ATCC 53201 has valuable properties as a viscosity and mobility cotrol agent in aqueous systems and useful in preparing oil well drilling fluids. Its chemical composition consists of glucose, arabinose and galactose in a 4.8:3.3:1 molar ratio.
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