...s)：是指短时间（几小时） 内反复服用某药物，而其药效不增反减的作用，又称 急性耐药性(acute tolerance)，如麻黄素(Ephedrine)及 硝酸盐(Nitrates)等。 习惯性(Habituation)：病人对药物产生精神上的依赖 性，但不会引起生理上的变異，如吸烟(Nicotine)。
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麻黄素滴鼻液 ephedrine nose drops
The dosage and times of applying ephedrine or atropine was also noted.
T_5,关闭腹腔时。 记录术中麻黄素和阿托品的用量和次数。
参考来源 - 每搏变异度（SVV）指导胃肠道手术容量管理的研究With LPME, some substances in urine which interfere with the determination of ephedrine and methylephedrine were eliminated efficiently and the higher selectivity was obtained.
尿样中存在对微量麻黄素和甲基麻黄素检测的干扰物质，但是通过液相微萃取后，能有效的去除干扰物质，获得了较高的选择性。
参考来源 - 生物活性物质提取富集方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
为进一步加强麻黄素的管理工作，防止麻黄素流入非法渠道，保障人民身体健康，现就有关问题通知如下。
The relevant questions are hereby notified as follows with a view to further strengthening ephedrine control, preventing ephedrine from getting into illegal channels and ensuring people's health.
麻黄素一种白色，无味，粉状或结晶状碱，C10 H 15 NO，从麻黄属植物中提取或人工合成。
A white, odorless, powdered or crystalline alkaloid, C10H15NO, isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma.
所以加拿大卫生部曾经在2005年和2006年发布警告信息，提醒消费者，尤其是癫痫患者不要使用含有麻黄素的产品。
So health Canada once in 2005, 2006 and issued warnings, remind consumer information, especially with epilepsy don't use contain ephedrine products.
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