查询词典 undamped wave

The thesis discusses three eigenvalues individually and explains the pressure wave propagation of three modes, includes wave speed, wave decay and energy distribution. Since the elastic potential energy occupies more than 98% of mechanical energy in the arteries, which is larger than 2% of kinetic energy of flowing blood. Else join elastic wall and wall of managing having a viscid condition to analysis .

本文将个别讨论此三组特徵值，来说明三组压力波的传递模态，其中包括波速，以及波的衰减；由於在动脉的能量分布中，由管壁振动的弹性位能占了98%，远超过血液本身流动的2%，再加上管的弹性模数和管壁的黏滞性再来讨论此三组模态，个别在弹性管的能量分布。

The results of computation show that this method is very effective for reducing and controlling the transverse oscillation of wave motion and for the calculation of wave particle velocity of wave motion on free surface, w...

计算表明：这种0—1混合型边界元的剖分方式，在控制和减缓波浪"横向振动"幅度及水面单元水质点波动速度的计算方面，显示出了其独到的优越和灵活之处，为时域内的波浪非线性变形计算提供了时步上的数值保证

In the scientific research and production of water transportation,measurement and analysis of wave pattern is needed in order to study the wave endurability.Therefore,in this paper,a new type of an intelligent measurement system of wave pattern is designed;the system's operation principle,a sensor's design and methods of making and the structure of the hardware and software are also presented.

在水运科研和生产中，为了研究船舶兴波阻力和了解船舶、码头、水坝等耐波性，需要对水面波浪的波形进行测量分析，为此设计了一种新型智能波高波速测量系统，给出了系统的工作原理、传感器的制作方法及系统的软、硬件结构图。

When using full wave train logging data to make C wave synthetic seismogram,it needs to consider the influence of many kinds of factors such as dip and anisotropy of bed as well as environment correction of S wave logging data etc.

采用全波列测井资料制作转换波人工合成地震记录，需要考虑地层倾角、岩层各向异性、横波测井资料的环境校正等多种因素的影响；在纵、横波资料对比中，又需要考虑极性、井资料的深时转换、子波带宽等的影响。

Typhoon ; Vortex Rossby wave ; Wave train ; Structure model of typhoon spiral wave

台风；涡旋Rossby波；波列；螺旋波结构模型

In this paper, one example from Zhongyuan Oilfield, Wen-33-26 well with long spacing acoustic wave train log is given. The measured ''shear wave velocity was treated as Rayleigh wave velocity. The poisson ratio and Young...

本文以中原油田Wen-33-26井的长源距声波全波列资料为例，将所测得的井下"横波"速度当作瑞利波速度处理，求得的泊松比和杨氏弹性模量值更为合理。

Based on the third kind of wave-particle duality and the harmonious unifying of three kinds of wave-particle duality[6], we discussed the materiality of the electromagnetic element-wave.

基于"第三种波粒二象性"以及"三种波粒二象性的和谐统一"[6]，我们对"电磁基波"的物质性又作了进一步讨论。

Human origins the study of light early, but the understanding of the nature of light has gone through a more lengthy process, the light is actually the wave or the granule, the struggle of the light wave theory and the micellar theory started from the early 17th century,and comes to an end by the light wave-particle duality to the early 20th century.

人类对光的研究起源很早，但对光的本质认识经历了一个较漫长的过程，光究竟是波还是粒子，光的波动说和粒子学说之争从17世纪初开始，至20世纪初以光的波粒二象性告终。

Results Abnormal rate of brain CT was 59.3%, including expansion of ventricles of brain, atrophy of cortex, cerebromalacia; abnormal rate of EEG was 72.2%, including low voltage, allorhythmia of slow wave, deletion of sleep-spindle wave and attack wave.

结果脑CT异常率为59.3％，主要表现为脑室扩大、皮质萎缩、脑软化；脑电图异常率为72.2％，多表现为低电压、慢波节律异常、睡眠纺锤波缺失及发作波。

In this paper, the wave heights in front of a vertical wave absorbing structure with rubble foundation aswell as in the wave chamber by using an approximative calculation method are described, and the dissipating effect of the structure is verified.

本文采用近似方法分析了明基床上直立式消波建筑物前的波高及消波室内的波高，从而确定建筑物的消波效果。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。