PA 1311 was synthesized from petroleum fermentation undecanedioic acid and tridecanedioic amide.
用石油发酵法制备的十三碳二元胺和十一碳二元酸合成了尼龙1311。
It was formerly derived by fermentation of carbohydrates but is now made synthetically by aldol condensation of acetaldehyde or by oxidation of petroleum gases.
以前它是由碳水化合物发酵得到，现在由乙醛醛醇缩合或石油气体氧化的合成方法制得。
Technical features of petroleum microbial fermentation and its application in Dushanzi General Petro- chemical Works were introduced.
介绍了石油微生物发酵的技术特点及其在独山子石油化工总厂的应用情况。
Technical features of petroleum microbial fermentation and its application in Dushanzi General Petro- chemical Works were introduced.
介绍了石油微生物发酵的技术特点及其在独山子石油化工总厂的应用情况。
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