negative wave的例句大全

MAIN OUTCOME MEASURES: Latency of positive wave/ negative wave ( P20/ N30); square root of the ratio of the amplitudes, that is, value A.

主要观察指标：正/负波潜伏期（P20/N30），波幅比率的平方根，即A值。

Negative wave signal that had leak information was changed with A/ D, then sent it to computer to identify trouble, so, leak detection and diagnosis of fuel pipe was realized.

再把含有泄漏信息的负压波信号经A/D变换后送入计算机即可判明故障，从而实现对油管泄漏的检测和诊断。

Diagnostic value of giant negative T wave on coronary artery disease

巨大负性T波患者冠心病的预测影响因素

in 13 of 16 counterclockwise-afl ( ccw-afl) cases, the polarity of fl wave in inferior lead was negative.

16例为逆时针房扑（counterclockwise-AFL，CCW-AFL），其中13例心电图下壁导联FL波以负相波为主。

Leakiness Detection Of Negative Pressure Wave Based On Pressure Sensor

基于压力传感器的负压波法泄漏检测

Therefore the positive and negative reflection coefficients tend to appear with approximately equal frequency ( taking the case of a downgoing wave only).

因此，正、负反射系数出现的频率基本上是相等的（仅就下行波而言）。

More importantly, it is found that in some scattering cases ( especially at relatively high energy), there exist the interesting anomalous negative reflection and refraction of the wave packets.

更重要的是在某些条件下（尤其当电子能量比较高时），发现存在电子波包的负反射和负折射等有趣的反常现象。

the effect of positive and negative background ions on the leader velocity and pattern of discharge channel were also observed by the still camera and chopped wave.

用截波静止摄影法观测了正、负离子背景对放电通道的形态及先导发展速度的影响。

The amplification of negative slow wave SW with time window between 450~ 800ms at left occipital-parietal scalp indicated the spatial cueing effect during formation of integrated representation.

整合记忆表征形成时的注意效应表现为左侧顶枕叶晚期负慢波SW波幅增大，时间窗口约为45小80Oms。

Flux sensor selects HY-2 type infrared sensor and relates the positive and negative judgement program, which may avoid the bad influence of returning oil pressure wave and improve the test precision of the sensor collecting data at the same time.

流量传感器选用了有两对光敏管的HY-2型红外线传感器，与正反转判断程序相结合，避免了单缸脉冲回油压力波的干扰，提高了数据采集的精度。

Positive and Negative Gains Transition of ps Laser Pulses Two-wave Coupling in a Photorefractive Crystal

光折变晶体中ps激光脉冲二波耦合增益正负转换现象

Wave upon wave of negative economic reports keep pushing the world markets down.

一波又一波的经济坏消息接踵而来，促使全球股市大幅走低。

inducting current and heating evaluation of system resonant wave and negative sequence creating in the hydraulic generator

系统谐波与负序在水轮发电机阻尼条中产生的感应电流与发热的评估法

it is an energy combination product to output high frequency wave and negative potential simultaneously.

复能产品，同时输出高周波与高压负电；

introducing electron-withdrawing groups, such as carboxylic ester groups, compensate part of negative shift of the reduction wave due to the effect of the saturation of a fullerene double bond.

引入具有拉电子性质的基团，如羧酸酯基，则会部分抵消由于C60共扼结构被破坏而引起的电位负移，结果使得电位负移值减少。

auto- stimulated oscillation and sine wave oscillation in negative feedback circuit

负反馈电路中的自激振荡和正弦波振荡

a test of exercises and drugs ( isoprenaline or propranolol) was made on three patients with apical hyper-trophic cardiomyopathy ( ahcm) to see their respective effects on giant negative t wave.

对3例心尖肥厚性心肌病（AHCM）患者进行下蹲运动试验、异丙肾上腺素及普莱洛尔试验，观察各自对巨大倒置T波的影响。

in this paper, the negative pressure wave method for pipeline leak detection and location of.

本文研究了负压波法在管道泄漏判断和定位中的应用。

inspection and orientation of pipeline leakage with negative pressure wave technique

负压波管道泄漏检测与定位技术

correlation analysis in developing accuracy of pipe leakage detection system of negative pressure wave

用相关分析提高管道压力波泄漏检测系统的定位精度