As the severity of the obstruction to expiratory flow increases, patients become increasingly dyspneic.
随着呼气性阻塞越来越严重，病人的呼吸困难也逐渐加重。
Objective to investigate the effect of maximal expiratory flow on the ventilatory response to exercise.
目的本文探讨了最大呼气量对运动通气反应的影响。
The strain expiratory sensor is used to measure people's expiratory flow through strain-measuring bridge.
应变式呼气流量传感器利用应变电桥对人的呼气流量进行测量。
Objective to study the clinical application of the peak expiratory flow rate (PEFR) in children with asthma.
目的探讨最大呼气峰流速(PEFR)在儿童哮喘诊治中的临床应用价值。
Plasma levels of estradiol, maximal expiratory flow rate (MEFR) and electrocardiogram (ECG) were studied in 99 women.
本文报告了99例女性血浆雌二醇水平、最大呼气流速(MEFR)和心电图(ECG)检查结果。
The results suggest that the test of maximal expiratory flow may be beneficial to evaluating work ability objectively.
结论最大呼气流量在中老年职工工作能力评价中可能是一组有价值的指标。
Objective To build the normal ranges and regression equations of peak expiratory flow (PEF) in normal young, middle aged and old persosn.
目的建立正常老中青年呼气峰流量（PEF）的正常值范围及回归方程。
Indeed, the PDS performed better than FEV1, peak expiratory flow rate, and fraction of exhaled nitric oxide in predicting outcomes after discharge.
事实上，PDS要比FEV1、呼吸峰流速和氧化亚氮呼出率更能预测出院后的结果。
No differences were seen between groups in peak expiratory flow or forced expiratory flow in one second, which improved progressively but then decayed slightly after 24 h.
在峰流速及一秒量方面亦有改善，但在24小时后疗效轻微降低，两组无区别。
Symptom score and pulmonary function expressed as peak expiratory flow(PEF), peak expiratory flow rate (PEFR) and forced expiratory volume in one second (FEV1) were recorded.
观察两组每日症状评分，早、晚最大呼气峰流速测定（PEF），肺功能检查（FEV1）。
Secondary endpoints, including forced expiratory volume in 1 s, peak expiratory flow, use of as-needed medication, and number of nights with awakenings were similar between genotype groups.
次要终点指标包括1秒呼出气量，峰流速，急救用药次数，夜间觉醒次数各基因型组之间均无显著差异。
Objective to detect the expiratory flow limitation (EFL) with a new simple technique, expiratory negative pressure technique (NEP) in patients with chronic obstructive pulmonary disease (COPD).
目的：应用呼气负压技术(NEP)检测慢性阻塞性肺疾病(COPD)患者的呼气流速受限(efl)。
For example, the flow estimate may be utilized to trigger expiratory pressure relief during a patient's expiration as detected with the estimated flow signal.
例如，可以按照用所估计的流量信号所检测的，利用流量估计值在患者呼气过程中触发呼气减压。
For example, the flow estimate may be utilized to trigger expiratory pressure relief during a patient's expiration as detected with the estimated flow signal.
例如，可以按照用所估计的流量信号所检测的，利用流量估计值在患者呼气过程中触发呼气减压。
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