查询词典 pseudoephedrine

Chapter 3 An MEKC with LIF detection for the analysis of ephedrine and pseudoephedrine after derivatizated with 5-(4,6-dichloro-s-triazin-2-ylamino) fluorescein was developed.

分析物的峰高与浓度之间存在较好的线性关系，麻黄碱和伪麻黄碱的检测限分别为2.39×10~(-3)和3.85×10~(-3)μg 1~(-1)。

Result: Pseudoephedrine hydrochloride obtained in the improved process didn′t show tendency to agglomerate, which solves the quality problem of the product and the rate of production was raised.

结果：新工艺盐酸伪麻黄碱具良好稳定性，解决了产品结块问题，且较原工艺的产量有所提高。

This essay selected some representative familiar cold medicines and determine the pseudoephedrine hydrochloride and other major contents respectively. Thus proving that this method is accurate with a good reproducibility and can be used as a quantitative analysis for this preparation.

本文选取了几种具有代表性的常见感冒药，分别用高效液相色谱法来测定其中盐酸伪麻黄碱和其它主要成分的含量，证明该方法快速、准确、重现性好，可以用于一些感冒药的质量检测。

Objective: To improve the design of the technological process so as to solve the long existing quality problem in the process of producing pseudoephedrine hydrochloride.

李俐，陈坚，盐酸伪麻黄碱生产工艺改革目的：探讨盐酸伪麻黄碱生产新工艺流程，以解决长期存在的产品质量问题。

The extract of the culture filtrate of Mh5 was compared with the standards of ephedrine and pseudoephedrine by TLC scan in UV and visible spectrum.

对麻黄生物碱提取方法进行了选择和优化，得出在工业提取法的框架下，用氯仿作为萃取剂在40℃左右进行提取的效果最好。

By the use of standard substance, a standard spectrum library was established for 10 drugs, metformin, ephedrine, pseudoephedrine, caffeine, phenformin, fenfluramine, indapamide, phenolphthalein, fluoxetine and sibutramine. The identification for illegally added drugs was performed by comparing the accordance of retention time and the three-grade mass spectrum with the standard spectrum library.

利用标准物质建立10种药物（二甲双胍、麻黄碱、伪麻黄碱、咖啡因、苯乙双胍、芬氟拉明、吲达帕胺、酚酞、氟西汀、西布曲明）标准谱库，通过与标准谱库保留时间和三级质谱图的比较对非法添加的药物进行定性鉴别。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。