To fill in gaps left by conventional seismic instruments, some researchers have proposed exploiting sensors inside laptop computers to allow them to serve as distributed P-wave sensors.
为了填补常规地震仪留下的空白，一些研究人员建议开发膝上型计算机里面的传感器，把它们用作分布式P-波传感器。
The P wave is inversely proportional to crack density.
波速度与裂隙密度成反比关系。
What leads should be utilized to analyze P wave information?
分析P波信息时应该使用哪个导联？
The P wave changes had certain relations with lowering of pulmonic mean pressure.
波的改变可能与肺动脉平均压下降有关。
Objective To analyse the effects of rapid atrial pacing on P wave duration and dispersion.
目的分析快速心房刺激对P波时限及离散度的影响。
The problem of a P wave incident vertically upon the contact interface has been experimentally studied.
对简谐P波垂直入射接触界面问题进行了实验研究。
The detection of Pre-P wave was affected by the heart rate, respiratory, artefact and low frequency waves.
前波的表达受心率、呼吸、伪差及低频波等因素干扰。
Objective To study the relation between P wave dispersion, P wave width and paroxysmal atrial fibrillation.
目的研究心电图P波离散度、P波宽度与阵发性心房纤颤的关系。
P wave radiation patterns in transversely isotropic media are analyzed by using analytical and numerical methods.
用解析方法和数值方法分析了横向各向同性介质中的P波辐射图案。
Results Sinus P wave recorded by bipolar esophageal lead consisted of right atrial potential and left atrial potential.
结果双极食管导联记录到的窦性P波由圆钝直立的右心房电位和尖锐高大的左心房电位组成。
For the tight sandstone containing gas, only velocity ratio of P wave to s wave and Poisson ratio are sensitive to fluid variation.
而对于致密含气砂岩，纵、横波速度比及泊松比对流体变化相对较为敏感。
Objective To observe ECG P wave amplitude changes before and after therapy in hyperthyroid patient and to explore its clinical significance.
目的观察甲亢患者治疗前后心电图P波振幅的变化并探讨其临床意义。
The QP values as well as the velocities Vp of P wave in dry and saturated specimen of Xiaolangdi sandstone and Fangshan marble are studied as functions of axial stresses.
研究了单轴压缩下超声P波在干燥和饱水的小浪底砂岩和房山大理岩中的衰减和速度。
The multi polar coordinate and complex function are used to put forward an approximate analysis method for scattering of steady P wave around a circular lining in half space.
本文采用多极坐标和复变函数方法针对半无限空间中P波在一衬砌周围的散射问题提出了一种近似求解分析方法。
A simultaneous detection of P wave and P-SV converted wave is made using constant offset on a 2-d organic glass model consisting of anticline, fault and horizontal reflector.
在用有机玻璃制成的背斜和断层二维模型上，采用等炮检距的特殊观测方法，进行了p波和p—sv转换波的同时观测。
On the interface where there are non-horizontal fractures, reflection coefficient of P-P wave has more extrema to show complexity and to fail to directly indicate fracture strike.
在由非水平裂隙构成的界面上，P-P波反射系数会出现更多的极值而变得较为复杂，且不能直接指示裂隙走向。
Then the azimuth of formation fractures is estimated; and with the joint use of zero offset P wave source VSP data, fast and slow shear wave seismograms are obtained to have fracture density.
在获得地下裂隙方位角的同时，结合零偏纵波VSP资料得到快、慢S波记录，进而计算了裂隙密度。
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。
Conclusion The extent of atrial fibro sis was increased in abdominal aorta banded rats. Although longer P wave duration and IACT are present, there is no change in atrial effective refractory period.
结论腹主动脉结扎大鼠心房纤维化程度增加，P波时限增宽，IACT延长，心房有效不应期没有改变。
The three term Taylor series of P-P wave or P-SV wave reflection travel times in VTI media are the function of elastic parameters. Therefore they can be used to inverse the seismic elastic parameters.
对P P波、PSV波的传播时间进行三项泰勒展开时，它们的系数中包含了地震波的各向异性信息及垂直速度信息，可以为地震波的弹性参数反演提供基础。
Methods We compared the surface ECG in 12 leads during sinus rhythm with tachycardia, and tried to find the relation between the different locations of retrograde P' wave and QRS complex in all leads.
方法用对比的方法分析窦律下和心动过速时12导联体表心电图，找出心动过速时逆传P’波在不同导联的位置及与QRS波的关系。
According to the properties of wave propagation in multiphase medium, the theoretical formulas for calculating the P-wave and S-wave velocity are deduced.
本文基于多相复合介质的波动传播特性，导出介质内纵、横波速的理论计算公式。
The assumption is made that P-wave velocity, S-wave velocity, density and Q factor show lateral piecewise linear continuous variations in block media.
假定介质为块状，且块中纵，横波速度及密度、品质因数横向分段线性连续变化。
And the velocity of slow compressional-wave (P-wave) is in direct proportion to the porosity and the density of fluid.
而慢纵波的速度则和孔隙度和流体的密度成正比。
There were two kinds of R-P-period and P-wave or atrial fusion wave in anterior AVRT.
顺向型房室折返性心动过速时，出现两种不同的R-P-间期和P-波或房性融合波。
Theoretically multi-wave exploration is certainly superior to pure P-wave exploration.
理论上，多波勘探肯定优于单纯的纵波勘探。
The propagation of P-wave in one-dimensional rock masses is analyzed according to plane to plane contact model.
采用面-面接触模型模拟了纵波在一维岩体中的传播，给出了纵波波形；
The analysis also shows that the continuity of P-wave event on common receiver gather is superior to that on common shot gather for seismic data acquired by shooting in shot hole.
分析结果表明，对于井中激发的地震资料而言，共检波点道集上纵波同相轴的连续性优于共炮点道集上纵波同相轴的连续性。
The ground vibration by demolishing building mostly spreads with S-wave, P-wave, R-wave.
爆破拆除塌落触地产生触地震动，主要以S波、P波和R波三种地震波的形式向外传播。
By correlating P-and s -wave seismic profiles, we found that the shallow gas horizons will bring up "bright spot" on the P-wave seismic profiles, and nothing appears on the s -wave profiles.
从纵横波剖面的对比来看，浅层气层在纵波剖面上表现为亮点，在转换横波剖面上表现正常。
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