Moreover the purity of N-phenyl maleimide was improved to over 99% when adopting polymerization-retarder.
加入四聚剂后，N -苯基马来酰亚胺的纯度提高到99%以上。
In addition, methods of recovering N-acetylglucosamine that has been produced by a fermentation process, including methods that result in N-acetylglucosamine of high purity, are described.
此外，本发明描述了回收通过发酵法生产的N -乙酰氨基葡糖的方法，包括产生高纯度N -乙酰氨基葡糖的方法。
Excess potassium chloride and ammonia are transferred into a by-product N-P-K compound fertilizer to obtain a product with high purity and high yield.
过量的氯化钾和氨转移到副产品氮磷钾复合肥中，得到的产品纯度高，收率高。
The n, N-dimethyl acetamide is used as the reaction solvent, therefore, the reaction time is shortened, and simultaneously, the obtained Gallant-Super has high yield rate and good optical purity.
选用N,N -二甲基乙酰胺作为反应溶剂后缩短反应时间的同时，得到的盖草能收率高，光学纯度好。
The n, N-dimethyl acetamide is used as the reaction solvent, therefore, the reaction time is shortened, and simultaneously, the obtained Gallant-Super has high yield rate and good optical purity.
选用N,N -二甲基乙酰胺作为反应溶剂后缩短反应时间的同时，得到的盖草能收率高，光学纯度好。
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