查询词典 attenuation

This paper investigates the effects of high temperature on ultrasonic velocity, refraction angle of inclined probe, ultrasonic attenuation, emitting strength of ultrasonic probe and defect detectable ratio, and provides practical methods of high temperature ultrasonic inspection for vessels and equipment, as well as concrete inspection procedure and key operational points.

文章通过研究高温对超声波声速、斜探头折射角、超声波衰减、探头发射超声波强度以及缺陷检出率的影响，提出了对容器设备进行高温超声波检测的方法、具体检测步骤和操作要点等。

The spring constant, the mass, the constant of attenuation and the angular frequency of the exciting oscillation can be changed within certain limits.

弹簧振动的劲度系数、质量、衰减量和角频率可以在一定限度内被改变。

Although the influence of price factors, the actual investment in China this year the growth rate has declined, but continued growth in investment demand is still great potential for investment growth is not because of the long-term driving force and the apparent attenuation of short-term adjustment, there should be no substantial decline in the growth rate of investment situation.

尽管受价格因素影响，今年以来我国投资实际增速有所下降，但投资需求持续增长的潜力仍然很大，投资增长的长期动力没有因为短期调整而明显衰减，因此不会出现投资增速大幅下滑的局面。

The results indicate that under yield points the attenuation, Young's modulus, Poisson's ratio and velocities of saturated rocks all display obvious anisotropy and rather apparent strain amplitude effect and frequency effect.

在最大载荷低于岩石的屈服点时，获得的衰减、杨氏模量、泊松比、波速都表现出显著的各向异性，同时它们还具有较明显的应变振幅效应和频率效应。

On the basis of wavelet transform and S transform,through popularizing basic wavelet, the basic wavelet containing 4 kinds of unknown parameters (amplitude, energy attenuation rate, energy-delay time and apparent frequency ) was constructed, realizing generalized S transform.

在小波变换和S变换基础上，通过对基本小波的推广，构建含有四类待定参数(振幅、能量衰减率、能量延迟时间及视频率)的基本小波，实现广义S变换。

Experiments prove that the notch attenuation value can reach -330 dB at arbitrary frequency by adjusting phase-shift parameter.

实验表明：通过改变相移参数值，在任意频率点上陷波器的衰减值可达-330 dB。

This paper mainly inverses the S wave factor using the surface wave attenuation characters. The result shows that the lateral and vertical variations of Qβ are very clear in the whole area and the asthenosphere, and some big structure area is also shown very clearly.

结果显示：研究区域的Qβ横向和纵向变化非常显著，能够明显区分软流圈结构，各个大构造单元的Qβ结构呈现出显著的变化。

The relation of directions of phase constant and attenuation constant in conductive media ［J］.

导电介质中电磁波相移常量与振幅衰减常量的方向关系［J］。

The light transmission attenuation constant is achieved to determine rupture location of composite materials.

同时对空心光纤的衰减特性做了实验研究，得到了空心光纤的衰减常数，并且应用于断裂测量。

Assuming that viscosity varies linearly with frequency, this implies that the attenuation per wavelength is constant.

假定粘弹体随频率线性变化，这意味着单位波长的衰减为常数。

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如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。