呼吸周期

第三类（UⅢ，15%），在整个呼吸周期中连续放电。

Type ⅲ( 15 % ), showing tonic discharges throughout the respiratory cycle .

左侧气胸组心电图改变主要表现为胸导联R波递增不足，V3～V6低电压现象。右侧气胸组主要表现为V1、V2QRS电压随呼吸周期呈有规律性变化。

Major ECG findings in left side pneumothorax were amplitude of R-wave increasing insufficiently in chest leads and lower voltage of QRS in V3 ~ V6 . Major ECG finding in right side pneumothorax was QRS-wave amplitude in V1 and V2 changing regularly along with respiratory cycle .

笔者用有限元分析软件ANSYS对鼻腔模型划分网格单元，数值模拟了定常情况下最大吸气时鼻腔内气流的分布情况，并且分析了一个呼吸周期内鼻腔里面气流流动的详细分布情况。

The finite elements were plotted in ANSYS . The detail airflow patterns of the biggest inspiration and a whole respiratory period were numerically simulated .

结果：使用非NMDA受体激动剂海人酸（KA）后，可见呼吸周期及呼气时间有所延长，NMDA受体激动剂NMDA对呼吸活动则没有明显影响；

Results : After applying the non-NMDA receptor agonist KA , it was found that the respiratory circle and the expiratory time were lightly lengthened , but the NMDA receptor agonist NMDA had no effect on the RRDA .

目的探讨蒸气吸入性损伤犬支气管肺泡灌洗（BAL）后呼吸周期、通气量和血气的变化，以期为临床治疗提供实验依据。

Objective The changes in respiration cycle , ventilation volume and blood analysis after bronchoalveolar lavage ( BAL ) in dogs with steam induced inhalation injury were investigated to explore ways of treating inhalation injury .

不同的本征呼吸周期对兔呼吸周期曲线的影响

Effects of Changes in Inherent Respiratory Period on the Curves of Respiratory Period of Rabbit

蒸气吸入伤犬支气管肺泡灌洗后呼吸周期、通气量和血气的变化

The changes in respiratory cycle , ventilation volume and blood analysis after bronchoalveolar lavage in dogs with steam inhalation injury

颏下表面肌电计可以在呼吸周期中标记每个吞咽动作，且用逻辑性回归进行统计分析。

Submental surface electromyogram allowed marking of each swallow during the respiratory cycle , and logistic regression was used for statistical analysis .

得到气管内的气体在一个呼吸周期非定常条件下的流动变化，模拟结果与实验观察相吻合。

The results of the change of flow during a single respiratory period were matched with the observance of experiment by other authors .

结论外周静脉压和肺静脉压在呼吸周期中的不同表现是决定优势充盈心室的主要原因；

CONCLUSION Different experiences between peripheral veins and pulmonary vein in respiratory cycles are the principle cause determining which ventricle is prior filled .

大中枢太阳被创造性能量流所产生的呼吸周期来引导，拥有一个本性旋转的周期。

The Great Central Sun has a cycle that is rotational in nature , and is directed by the in-breath and out-breath of creative flow .

是什么让其他猫呼噜声发声独特的是，它是在整个呼吸周期（吸气和呼气）制作。

What makes the purr distinctive from other cat vocalizations is that it is produced during the entire respiratory cycle ( inhaling and exhaling ) .

本文中运动特征基于呼吸周期中不同时间帧图像的差异来提取，对于基准的选取方式对校正效果有着很大的影响。

The abstraction of motion characteristics in this paper is based on the difference of CT images in different frame time . The decision of standard frame could generate the great effect to the correction consequence .

方法在切断面神经引起面运动神经元逆行溃变后，细胞外记录面神经核内非运动神经元的单位放电，观察其放电样式与呼吸周期的关系。

Methods After retrograde degeneration of the facial motoneurons induced by section of the facial nerve , the discharge of non-motoneurons in the facial nucleus was extracellularly monitored , and their phase relations to the respiratory cycle were investigated .

同时呼吸的周期变化和心率的R-R间期变化完全同步。

It is in complete synchronization between cyclical change of respiration and interval R-R.

色散补偿光纤中呼吸波周期行为的剖析

A Study on Periodic Behavior of Breather type Waves in Optical Fibers with Dispersion Compensation

呼吸暂停周期以短暂局部觉醒结束，每晚可能干扰睡眠达数百次。

Periods of apnea end with a brief partial arousal that may disrupt sleep up to hundreds of times a night .

结果患者SaO2的周期性变化与其呼吸气流的周期性变化是一致的。大部分患者脉率变化周期与呼吸气流变化周期基本一致。

Results The cyclical variation of the SaO 2 is associated with that of the respiratory flow , and there is essential coherence between the cyclical variation of the pulse rate and that of respiratory flow in the most patients .

此外，在睡眠时，没有观察到睡眠异常的呼吸或是周期性肢体运动。

No sleep-disordered breathing or periodic limb movements were observed during sleep .

首先，中枢神经必须赋予呼吸肌的周期性收缩和放松一种节奏。

First , the CNS must produce a rhythm for the periodic cycle of contraction and relaxation of respiratory muscles .

目的应用多普勒超声技术检测正常人股总静脉，确定正常人下肢深静脉血流频谱的特点以及呼吸和心动周期对频谱的影响。

Objective To evaluate the nature of Doppler flow spectrum of normal lower limb venous and to assess the influence of respiratory and cardiac cycle on it .

根据呼吸信号具有周期性的特点，而干扰信号则具有随机性，提出了时域滤波和空域滤波相结合来降低干扰的新方法。

Since respiratory signal has the characteristics of cyclical , and the interference signal has a characteristic of randomness , a new method of combining time-domain filtering with spatial filtering has been presented .

应用所提算法从较长时间BCG信号中获得呼吸信号和心动周期，从含有人为干扰的BCG信号中确定出无干扰部分的J波位置。

Breathe signal and cardiac cycle is gained from long time BCG signal , and partial J wave positions are determined from the no disturbance part of the artificial disturbance BCG signals according to proposed approaches .

伴有中枢性睡眠呼吸暂停的Cheyne-Stokes呼吸是一种周期性的呼吸节律异常，其特征是交替性发生低通气、呼吸暂停与过度通气，在过度通气阶段，呼吸运动呈逐渐增强&逐渐减弱的形式。

Cheyne-Stokes respiration with central sleep apnea is a form of periodic breathing in which apneas and hypopneas alternate with ventilatory periods having a waxing-waning pattern of tidal volume .

除吸气抑制反射外，肺充气通过迷走神经对呼吸中枢可能产生了另一种作用，其作用效果主要体现在呼吸周期的改变上。

Except for inspiration inhibition reflex , lung inflation might have another effect on respiratory center var vagus . It is mainly represented by the change of respiratory period .