目的评价脉冲振荡(IOS)肺功能检查法。
Objective To evaluate the examination method of pulmonary function with Impulse Oscillation System (IOS).
目的：探讨脉冲振荡法在支气管激发试验中的应用价值。
Objectives:To investigate the clinical value of impulse oscillometry(IOS) in bronchial challenge test.
目的探讨脉冲振荡肺功能与食管癌贲门癌术后呼吸系统并发症的关系。
Objective To evaluate the relationship between the pulmonary function with impulse oscillation system and postoperative respiratory complications of esophagus carcinoma and gastric cardiac carcinoma.
结论：脉冲振荡法在支气管激发试验诊断支气管哮喘中具有较高的临床应用价值。
Conclusions: the impulse oscillation bronchial provocation test in the diagnosis of asthma has a higher clinical value.
本实用新型汽车无触点电子闪光器是由脉冲振荡电路、开关电路温度自动保护电路所组成。
The utility model relates to a non-contact electronic flash light for vehicles, which is composed of a pulse oscillating circuit, a switching circuit, a temperature automatic protection circuit.
将所有患者行日间的肺功能检测(脉冲振荡法ios)，检测通气功能及气道阻抗等多个参数。
All patients with snoring and sleep apnea were evaluated pulmonary function used impulse Oscillation technique (IOS).
随着脉冲面积的增大，脉冲振荡次数减少，振幅增大，传播速度增大，介质各能级粒子布居振荡次数也增多。
The oscillation times decrease with increasing of the initial area of the pulse, but amplitude, group velocity and the medium populations oscillation times of every level increase.
本文介绍了八毫米雪崩管脉冲振荡源的设计及研制，讨论了影响振荡源频谱纯度和相干性的独特的雪崩管特性。
In this paper the design and development of 8mm pulsed IMPATT source are introduced, the unique IMPATT properties which affect the oscillator spectral purity and coherency are discussed.
脉冲激光器是另一类的激光器，它的脉冲是在“开”与“关”两种状态的振荡之间产生。当激光器处于“开”的状态，产生光，在“关”的状态，光量显著减少。
There is another class of lasers, however, that pulse, oscillating between an "on" stage, where light is produced, and an "off" stage, when the amount of light is dramatically reduced.
针对非质心作用推力的情况，讨论了附加攻角振荡幅度、脉冲推力大小、作用时间间隔等因素对于修正距离的影响。
While impulse forces not acting on the centroid, the influence of accessional attack Angle oscillation amplitude, impulse force scale and function time interval on range correction was discussed.
同时利用CMOS多谐振荡电路产生窄脉冲电流序列对前面处理过的非晶带进行激励，制作成灵敏度高、稳定性好、功耗低的弱磁场传感器。
A sensitive, stable and low power consumption magnetic sensor is constructed using a CMOS multivibrator circuit, in which a sharp pulse train current is applied to the treated amorphous ribbon.
系统负荷投切和电容器充电的仿真结果表明，该方法能快速有效地区分暂态脉冲和振荡暂态。
The simulations of load switching and capacitor charging show that the proposed method can quickly and effectively class the impulse transient and oscillation transient disturbances.
区别于现有的微欧仪，本设计采用由电容组成的二阶振荡电路做脉冲电源对开关进行放电。
In this thesis, switchgear test power is supplied by a pulse power, composed of a second order oscillating circuit including a capacitance.
人们不仅关注传统意义上的供电可靠性、稳定性以及各种参量偏离标称值问题，而且也对诸如振荡和脉冲之类的动态扰动现象开始重视起来。
Not only the deviation of voltage and frequency from the rating value or other traditionally focused problems, but also the dynamic disturbance phenomena including oscillation and pulse are concerned.
利用光脉冲的啁啾效应，可以抑制拉比振荡实现高效率的光电离。
The using of chirped laser pulse can restrain the Rabi oscillations and realize high efficiency of photoionization.
作者提出采用气举装置和自激振荡脉冲射流相结合的机电一体化成套疏浚和清淤装置来完成三峡库区疏浚和清淤。
The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
给出了描述具有几个光振荡周期的飞秒激光脉冲在非线性光纤中传输方程的解。
The solution of the nonlinear wave equation describing propagation of a femtosecond laser pulse with duration of several optical oscillation periods in a nonlinear fiber is presented.
提出了一种用气举和自激振荡脉冲射流相结合的方式开采潜水层滨海砂矿的新方法。
The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
本文导出了描述可调谐脉冲te (A) CO_2激光器任何一条或多条激光振荡线的六温度模型速率方程组。
In this paper, we deduced the six-temperature mode rate equations that can be applied to one or multi-frequency oscillation in a tunable te (a) CO2 laser.
在一定控制脉冲频率下，步进电动机可能出现振荡与失步现象，严重影响步进电动机的运行，要严格防止这种情况发生。
When stepping motor works in some pulse frequency, it may have the problem of oscillation and miss of synchronization, so it should be avoided at full steam.
研究了气举的数学和物理模型，探讨了自激振荡脉冲射流作为气举装置破碎器的可行性。
The physical and mathematical model of airlift is given in this paper. The feasibility of the self excited oscillation pulsed jet as breaker of the airlift is researched.
排气阀门的关闭直接造成参与气泡振荡的气体质量的减少，第二气泡脉冲相对主脉冲明显减小。
When the exhaust valve is closed, the gas with the bubble oscillation reduces, causing the bubble impulse lower the pressure impulse obviously.
研究了气举的物理模型，探讨了自激振荡脉冲射流作为气举装置破碎器的可行性。
The physical model of airlift is given in this paper. The feasibility of the self-excited oscillation pulsed jet as breaker of the airlift is researched.
为了揭示低压大流量下自激振荡脉冲射流清洗的脉冲发生机理，研究了这种工况下喷嘴结构和运行参数的优化设计范围。
To explain the generative mechanism of low pressure and mass flow self-excited oscillation pulsed jet, the nozzle optimized design range of structure and operation parameters was investigated.
脉冲式、反向射流式除尘器能够比振荡式、反向气流式的过滤速度获得高些。
The pulse type and reverse jet dust collector can obtain higher filtering speed than the oscillating and reverse air flow.
本实用新型涉及一种双向泵浦脉冲光参量振荡放大装置。
The utility model relates to a double-way pumping source pulse optical parameter oscillating amplifying device.
对方程作了数值解，模拟了具有几个光振荡周期的飞秒脉冲在单模光纤中的非线性传输。
By solving the equation numerically, the nonlinear propagation of femtosecond laser pulse with duration of several optical oscillation periods in single-model optical fiber has been simulated.
通过实验研究了自激振荡脉冲射流重要参数相互之间的影响关系。
The interrelationship among the important parameters of the self-excited oscillation pulsed water jet is studied herein based on the related experiment;
通过实验研究了自激振荡脉冲射流重要参数相互之间的影响关系。
The interrelationship among the important parameters of the self-excited oscillation pulsed water jet is studied herein based on the related experiment;
应用推荐