So, for example, if we were looking at the actual wave function, we would say that these parts here have a positive amplitude, and in here we have a negative amplitude.
我们看，一个波函数，我们说，它这部分幅值，为正，这部分幅值为负，当我们看。
This paper USES theory of correlation analytic method to detect and locate the leakage of oil conveying according to the negative press wave method.
主要依据负压波方法，应用相关分析法理论对输油管道进行泄漏检测和定位。
The frequency modulation effects of positive dipole (unipole) forcing source on LFO is stronger than negative dipole (unipole), and the wave oscillation quicken evidently.
正偶(单)极强迫源对大气低频振荡的调制作用强于负偶(单)极，波动振荡明显加快。
The trough is the maximum negative amplitude or downward deflection of the wave.
波谷是子波最大负振幅或向下的偏离。
Several leak diagnosis methods such as instantaneous negative pressure wave, flow-lack, and hybrid diagnostic method were used.
采用了瞬态负压波法、流量输差法和压力流量综合法等多种泄漏诊断方法。
This article narrated the application of the negative pressure wave method in the leak detecting system of transporting-oil pipe.
主要讲述了负压波理论在输油管道泄漏监测系统的具体应用情况。
The gliding longitudinal wave contains three parts, longitudinal wave beam, negative exponential gliding ivro-tational wave and positive exponential gliding irrotational wave.
滑行纵波系由纵波声束、负指数滑行集散波和正指数滑行集散波三种成份所组成。
The distribution of typhoon precipitation presents the positive ad negative change as the gravity wave column wise under the influence of terrain.
台风降水受地形影响呈现出类重力波列式的正负相间的变化分布。
The surface body electrocardiogram(ECG) manifestations of biatrial pacing are that P wave duration shortens, the polarity of P wave changes to negative, PR interval gets shorter correspondingly.
双房同步起搏体表心电图表现为P波时限短、负向或正负双向，PR间期相应缩短。
The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.
当声波是空间位置和时间的周期函数时，平面波误差项永远是一负偏差项。
It was found that introducing electron donating groups, such as alkyls, weaken the electron accepting ability of C60 and make its first reduction wave shifted to more negative position.
结果发现，引入推电子基团，如烷基，会使C60得电子能力降低，第一个还原电位有较大的负移；
But when we're thinking about actual wave behavior of electrons, it's just important to keep in the back of our head that some areas have positive amplitude and some have negative.
电子的波动行为时，我们，要记住，某些地方是正的，某些地方是负的，当我们讲到。
When the door switch is closed (car door open) the voltage on pin 8 slowly rises above the negative peaks of the triangle wave producing a short duty cycle output and a dim light.
当门开关关闭(车门打开)的引脚电压慢慢上升8以上的三角形产生短期占空比输出波形的负峰和一个暗淡的灯光。
Objective To discuss the location method in extracorporeal shock wave lithotripsy (ESWL) for ureteral negative calculi.
目的探讨输尿管阴性结石经体外冲击波碎石(ESWL)治疗的定位方法。
Downward wave amplitude decay in negative exponential function, but the upward wave amplitude is not the case.
下行波的衰减规律符合指数衰减，但上升波的衰减并不符合这一规律。
The data handling to the whole system is taking a decisive factor in the negative pressure wave law leakage checkout system, and can influence the accuracy and the precision of this system.
在负压波法泄漏检测系统中，数据处理对整个系统起着决定性作用，影响着对泄漏事件的判别准确性和泄漏点定位的精度。
Conclusion Symmetrical and giant negative t wave not complicating with left ventricular hypertrophy in electrocardiogram has a predictive value for coronary heart disease.
结论心电图巨大对称性倒置T波且不伴左心室肥厚对冠心病有一定的预测价值。
However, as for the dissipative loss medium with only one of permittivity and permeability being negative, the TM or TE polarization incident wave has a negative Goos-Hanchen shift accordingly.
而对于下半空间为带消散损耗的单负光疏介质时，仅TM波或TE波之一的古斯—汉森位移是负的。
Finally, the dissertation brings forward the collectivity project of the negative pressure wave leak detecting system based on data transfer of wireless spread, spectrum network.
最后，结合课题提出了基于无线扩频网络数据传输的负压波法泄漏检测系统的总体方案。
Taking the negative pressure wave produced by pipeline leakage as a transient signal, the multi scale wavelet transform can be utilized to identify the pipeline leakage signal in local.
利用多尺度小波变换，把管道泄漏产生的负压波信号作为瞬态信号，来识别管道的局部泄漏特征。
Based on the characteristics of nonlinear negative index materials, we investigate the formation conditions and transmission characteristics of the chirped dark solitary wave in detail.
结合负折射介质的特性，详细研究了该啁啾暗孤波的形成条件和传输特性。
Analytical expressions of coupling frequencies of Raman free-electron lasers are deduced based on the physical image of the coupling between negative-energy space-charge wave and EM wave.
从负能空间电荷波与电磁波耦合的物理图像出发推导了喇曼散射模式自由电子激光器耦合频率的解析表达式。
The velocity change of instantaneous negative pressure wave along the pipeline is analyzed when hot oil is transported. Two searching methods are applied to locate leakage through numerical integral.
分析了热油输送管道沿程瞬态负压波传播速度的变化，采取两种搜索方法数值积分求解泄漏点位置。
The negative chirp introduced by the fundamental wave can compensate partially dispersion and improve conversion efficiency.
系统输出激光携带一定负啁啾可以补偿色散，提高三次谐波的转换效率。
Increasing flash frequency increased latency time of the negative wave, but decreased the amplitude of the small positive wave.
随刺激频率增加，负向波潜伏时延长，而小正向波振幅逐渐减小。
The refractive indices at 12 wave lengths in the visible region were measured with the minimum deviation method, showing that KABO is a negative uniaxial optical crystal with moderate birefringence.
用最小偏离法测试了可见光区十二个波段处的晶体折射率，结果表明KABO晶体属负单轴晶，具有适中的双折射率。
Objective It is to explore the predictive value of giant negative t wave in resting electrocardiogram for the diagnosis of coronary artery.
目的探讨静息心电图巨大倒置T波在冠心病诊断中的预测价值。
It is demonstrated that negative entropy flow exists in shock wave and shock wave is a kind of heat wave which transfers heat with traveling wave velocity.
证明了激波是一种负熵流波，是依靠激波波速输运热流的热波。
Based on the negative pressure wave, the correlation analytic method is used for leakage detection and location of pipeline, the algorithm of the leakage location is also introduced in the paper.
阐述了依据负压波法，应用相关分析法进行管道泄漏检测的原理，给出了漏点定位的算法。
Negative feedback has been widely used in amplify circuit, but in wave-generating and wave-transforming circuit, it should adopt positive feedback.
在放大电路中采用负反馈，而在波形产生和波形变换的电路中则需要采用正反馈。
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