During this test, you inhale increasing amounts of methacholine aerosol mist before and after spirometry.
在这个试验中，你要先吸入大量的醋甲胆碱气雾剂，然后再进行肺活量测试。
2
Two test methods, natural radioactive background method and decay method, used to verify the detection limit of radioactive aerosol monitors are studied.
研究了放射性气溶胶监测仪的检测方法，即天然本底检测法和衰变检测法。
3
Methods Using irritant aerosol and mechanically and electrically induced coughing models to test the effect of drug.