Analysis of N - Methylpyrrolidine in Cefepime Hydrochloride product by Ion Chromatography.

离子色谱法分析盐酸头孢吡肟成品中的N - 甲基吡咯烷.

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A review on production of NMP ( N - methyl - pyrrolidone ) and phenol refining was given.

总结了N—甲基吡咯 烷 酮和苯酚精制的生产情况.

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Further studies are needed on opioids, N - methyl - D - aspartate antagonists, and ion channel blockers.

阿片类药物 、 N - 甲基 -D- 天(门)冬氨酸拮抗剂和离子通道阻滞剂的疗效还有待研究.

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The N - methyl - 2 - pyrrolidone is chosen as polycondensation media and toluene as carrier of water.

选择N - 甲基 -2- 吡咯烷酮为反应介质,甲苯为带水剂.

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With N - methylmorpholine - N - oxide ( NMMO ) as solvents asymmetric cellulose membranes were prepared by using phase - inversion method.

以纤维素为原料,N-甲基吗啉 -N- 氧化物 ( NMMO ) 为溶剂,采用相转化法制备非对称纤维素膜.

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Objective : To develop a method for determination of the N - methylaniline in air by HPLC.

目的: 建立高效液相色谱法测定空气中N - 甲基苯胺的检测方法.

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Two synthesis methods of N methyl diethanolamine and it's application in desulfuration of gas introduced.

介绍了高效脱硫剂N甲基二乙醇胺的两种工业生产方法,及它在炼油厂液化气脱硫中的应用.

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