麻黄碱

Methods Ephedrine hydrochloride nasal drops was quantified by polarimetry and acid-base titrations. The data were analyzed by t-test.

分别用旋光度法与酸碱滴定法测定盐酸麻黄碱滴鼻液的含量，并将其结果进行比较。

Methods Ephedrine hydrochloride nasal drops was quantified by polarimetry and acid-base titrations.

分别用旋光度法与酸碱滴定法测定盐酸麻黄碱滴鼻液的含量，并将其结果进行比较。

Objective To determinate the content of ephedrine hydrochloride nasal drops by polarimetry instead of acid-base titrations.

；！AaY M0 目的用旋光度法替代酸碱滴定法测定盐酸麻黄碱滴鼻液的含量。

The OnTrak TesTcard 9 provides a qualitative screen for the presence of amphetamines, barbiturates, benzodiazepines, cocaine, methamphetamines, morphine, phencyclidine, tetrahydrocannabinol, and tricyclic antidepressants in urine.

OnTrak TesTcard 9能够定性筛查下述尿液中的药物：安非他明、巴比妥酸盐、苯二氮、可卡因、脱氧麻黄碱、吗啡、苯环己哌啶、四氢大麻酚、三环抗抑郁药。

Ephedrine in combination with caffeine has been shown to promote thermogenesis, fat loss, and muscle gain in several controlled trials.

麻黄碱结合咖啡因已经证明，以促进产热，脂肪损失，而且由于肌肉增益在几个对照试验。

Methods Through eustachian tube we draw out effusion of tympanum and poured liquid medicine into tympanum under nasal endoscope.

方法于鼻内镜下经咽鼓管导管抽吸出鼓室内的积液并注入配制的麻黄碱混合药液，进行冲洗及留存。

Methods The genomic DNA from Ephedra glauca was randomly transferred in Saccharomyces cerevisiae and Hansenula anomala,respectively by nitrogen ion bombardment.The recombined yeasts were screened and the content of ephedrine in ecto-and endo-recombined yeasts was determined by the methods of bromothymol blue indicator selection,slant cultivation,liquid culture,copper chromic salt qualitative test,and RP-HPLC determination.

方法通过N 注入介导蓝麻黄基因组DNA分别在酿酒酵母Saccharomyces cerevisiae和异常汉逊酵母Hansenula anomala中随机转化，转化后的酵母菌经BTB指示性辅助筛选、斜面传代和液体培养后，用铜铬盐定性检识和RP-HPLC方法，检测重组酵母菌胞外和胞内麻黄碱的量。

The proposed method involves forming coloured ion-pair from ephedrine hydrochloride and bromothymol blue at pH 6.5 extracting the ion -pair thus into chloroform and measuring the absorbance chloroform solution at 414 nm.

根据盐酸麻黄碱在一定pH条件下，可与溴麝香草酚蓝反应生成稳定的络合物这一特性，选择414nm波长处测定其含量。

Ephedrine and pseudoephedrine in wild Mahuang and cultivated Mahuang are separated and determined by RP HPLC A chromatographic method for the separation and the determination of ephedrine and pseudoephedrine in this Chinese drug was established The scientific basis and methodology basis for quality evaluation of wild Mahuang and cultivated Mahuang are provided .

用反相高效液相色谱法分离并测定了野生麻黄与栽培麻黄中的麻黄碱和伪麻黄碱，为野生和栽培麻黄的质量评价提供了科学依据和方法依据。

The first compound derived from Chinese herbal remedies to enter the Western pharmacopoeia was ephedrine, an amphetamine-like stimulant. A Japanese scientist isolated it in the 1880s from the Chinese medicinal herb mahuang, which was used to treat congestion.

从中草药中提取并进入西方药典的第一个化合物是麻黄碱，它是一种类似安非他明的兴奋剂，1880年代，一个日本科学家从中草药麻黄中提取了这种化合物，用于治疗淤血。

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。