过滤式防微粒口罩对空气流呼吸阻力的试验方法。
Test method for airflow resistance of respiration of filtering particle respirator.
本文用振荡法测定了172例健康人的呼吸阻力。
Respiratory resistance in 172 healthy bodies was measured with oscillation in this paper.
述结果对制订航空供氧装备附加呼吸阻力生理学标准具有实际意义。
The significance of our findings in deriving physiological standards for allowable resistance of aircraft oxygen system is discussed.
本发明不仅找到了一种新的降低支气管呼吸阻力的方法，还为以后开发其他的治疗方案提供了思路。
The invention not only finds the novel method for lowering the breath resistance of the bronchus but also provides a concept for developing other treatment schemes afterwards.
一般来讲，长时间佩戴高呼吸阻力的口罩可能对身体健康产生不利影响，所以不建议消费者长时间、超等级佩戴防护型口罩。
In general, a long-time wearing a mask with high breathing resistance harms health, which is thus not recommended.
本文对消防过滤式自救呼吸器的防护性能、呼吸阻力和漏气系数三项主要性能的影响因素、防护原理和设计计算进行了研究。
The paper studies on the effecting factors, protecting principles and design calculations of the three main performances of the filtering self-saving respirator.
由于睡眠时呼吸道中的气流阻力更大，并且用于呼吸的肌肉效率有变化，所以在睡眠时呼吸需要用两倍的力气。
It takes twice as much effort to breathe during sleep because of greater resistance to airflow in the airways and changes in the efficiency of the muscles used for breathing.
因为阻力会让简单的呼吸变得艰难，夜间的时候你的身体反复地处于半睡半醒状态，所以早晨的时候你就会感觉没有精神。
Because the resistance makes it harder work simply to breathe, your body is half-waking up over and over again during the night, so you don't feel refreshed in the morning.
如果睡眠时你舌头的位置是患呼吸道阻力综合症的原因，医生可能会推荐一种牙齿装置向前推着下颚和舌头，并防止舌头阻塞喉部的通路。
If tongue position during sleep is causing your UARS, the doctor may recommend a dental device that pushes the jaw and tongue forward and prevents the tongue from blocking the opening to the throat.
跟阻塞性睡眠呼吸暂停综合症类似的一种更温和的症状是呼吸道阻力综合症，当一些类型的阻力减慢或堵塞鼻腔通道的空气传送时就会发生这种症状。
Sort of a milder cousin of sleep apnea, UARS occurs when some type of resistance slows or blocks air in the nasal passages.
小鼠再通过吸入乙酰甲胆碱激发，并记录随后10分钟的呼吸系统阻力，采用每一侧阻抗测量评估呼吸弹性度（H）。
The mice were then challenged with inhaled methacholine and respiratory system impedance tracked for the following 10 minutes. Respiratory elastance (H) was estimated from each impedance measurement.
不好的呼吸技术能增加阻力、减弱呼吸时的划臂效力。
Poor breathing mechanics can increase drag and reduce the effectiveness of your stroke during the breath.
结论当人体的环境压力增加时，经面罩提供大于咽鼓管通气阻力的正压呼吸可以预防耳气压伤的发生。
Conclusions When environmental pressure was added, positive pressure breathing higher than the ventilative resistance of the Eustachian tube could prevent ear barotraumas.
气孔振荡强度与VPD和根阻力显著相关，但与呼吸速率无明显相关。
The oscillation intensity was found to be significantly correlated with VPD and root resistance, but not with the respiration rate.
目的探讨慢性阻塞性肺疾病(COPD)患者运动能力与呼吸驱动、气道阻力和乳酸的关系。
Objective it is to discuss the relationship of locomotory capacity with respiration drive, air way resistance and lactic acid in the patients with chronic obstructive pulmonary disease (COPD).
抗阻力深慢腹式呼吸训练可改善COPD病人的肺功能和生活质量。
Conclusion: it suggested that the anti-resistance deep and slow abdominal breathing exercises that obviously enhanced the lung function and living quality of patients with COPD.
方法对55例反复喘息患儿、31例单纯咳嗽患儿、18例无呼吸道症状儿童进行吸入沙丁胺醇气雾剂前后的气道阻力测定。
Methods Airway resistance was measured before and after salbutamol inhalation in 55 children with recurrent wheeze, 31 with mere cough and 18 without respiratory symptoms.
其机制主要是呼吸中枢的功能降低，肺和胸廓的弹性阻力、呼吸道的非弹性阻力增加所致。
The falling function of the respiratory centre, the elastic resistance of the lungs and thoracic cage, and the non-elastic resistance in the respiratory tract are responsible for the decline.
目的研究布地奈德雾化溶液吸入治疗对喘息性支气管炎患儿呼吸道阻力(AR)的影响。
Objective To examine the changes of the airway resistance (AR) in asthmatic bronchitis children before and after budesonide-solution inhaled therapy.
抬头呼吸的问题是正如所见一样的身体行为和你的腿在下沉。这会增加额外的拖曳阻力。
The problem with lifting your head to breathe is that your body ACTS like a see-saw and your legs sink. This adds lots of extra drag.
观察组患者术前后指导进行腹式呼吸、缩唇呼吸及人工阻力等系统呼吸训练。
All patients were given routine preoperative and postoperative care, and the patients in the observation group received systemic respiration training additionally.
观察组患者术前后指导进行腹式呼吸、缩唇呼吸及人工阻力等系统呼吸训练。
All patients were given routine preoperative and postoperative care, and the patients in the observation group received systemic respiration training additionally.
应用推荐