目的：观察沙丁胺醇溶液以超声雾化器雾化吸入治疗哮喘重度发作的疗效及安全性。
Objective: To observe efficacy and safety of inhaling salbutamol solution by using the ultrasonic nebulizer in treating severe asthma.
以硫酸沙丁胺醇粉雾剂为模型药物，通过体外试验比较3种不同类型干粉吸入器的分散效果。
The deaggregation effect of three kinds of dry powder inhalers with different air inlet angles was investigated using salbutamol sulphate as a model drug through the test in vitro.
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