查询词典 Doppler shift

Methods 60 cases of iatrogenic aneurysma spurium caused by puncture,transplantation of blood vessel and operation in neck were analyzed by dimension imaging,color Doppler and pulsing Doppler by using the method of color Doppler ultrasound.

采用彩色多普勒超声对60例因穿刺、血管移植术及颈部手术引发的假性动脉瘤进行二维图像、彩色多普勒及脉冲多普勒加以分析。

The study indicates that the center wavelength of FBG's reflected spectrum on the two polarization directions shift, and the reflectivity decreased with the increase of the twist angle. The longer wavelength produces"red shift". The shorter wavelength produces"blue shift". And the wavelength shift is basically same.

研究表明，随着扭转角度的增加，两个偏振方向的光栅反射谱中心波长发生移动且反射率降低，长波长的产生"红移"，短波长的产生"蓝移"，移动的波长量基本相同。

Physical Properties: The surface is smooth, with various make-ups. A high affinity to diamond and platinum. When shy, the Einstein shift can occur; When angry, the blue shift, even green shift, can take place. As the time goes, the yellow-shift phenomenon can happen. In addition, the shape can change, yet, the function basically won't be affect.

本品为可乐状的凹凸物，表面光洁，涂有各种化妆品，对钻石、铂金有强烈的亲和力；羞涩时产生红移现象；生气产生蓝移；本品随时间推移产生黄移，形状会有所改变，但不影响继续使用。

In the research of advanced key techniques, the technique of nano-catalyst is developed and tested according to the requirement for the catalytic flame stablizer gas turbine and the related reaction model wil be fully construced. In the aspect of hydrogen shift and separation process, we are going to probe into various operating parameters for the water shift reaction and the membrane reactor alread constructed. Also, the high efficiency DPMS-based hydrogen shift and separation system that carry out both water gas shift and pressure swing absorption will be tested. The main task this year is to construct the proto-type clean hybrid power generation system.

前瞻关键技术研究方面，奈米触媒制备技术将依触媒驻焰气涡轮引擎之需求进行开发与测试，并建立相关反应模式；气化合成气转化与分离技术部分，将进行已建立水气转移反应与薄膜反应器之各项操作参数探讨，并进行以双孔径分子筛为担体，附加水气转移反应与变压吸附分离所建立之高效率分离富集H2方法之系统实测。

The problem of shift impact in automatic mechanical transmission due to the nonfunctioning of synchronizer in shift process is studied in this paper. The mechanism of shift impact is analyzed and the optimal moving velocity of shift actuator is determined.

文中研究了自动机械变速器在换挡时同步器未起作用而产生冲击的问题，分析了产生换挡冲击的机理并确定了换挡执行机构的最优运动速度。

However, unlike the light source relative to the rest of the observer to see is the colorless astigmatism, and the light source relative motion of the observer to see is the red-shift light ( achromatous astigmatism occurs redshift of red-shift light ); Although the different inertial reference frame of the observer can see the speed of light, after the Lorentz transformation is the same as after c; but a different observer are exposed to the light energy is not the same achromatous (astigmatism energy and achromatous astigmatism occurs after the red-shift of red-shift of the light energy is out of the same ).

但是，与光源相对静止的观察者看到的是无色散光，而与光源相对运动的观察者看到的是红移光（无色散光发生红移后的红移光）；虽然，不同惯性参照系的观察者看到的光速，经过洛伦兹坐标变换后都一样为c；可是不同的观察者所承受到的光能量是不相同的（无色散光的能量和无色散光发生红移后的红移光能量是完全不相同的）。

The study indicates that the center wavelength of FBG's reflected spectrum on the two polarization directions shift, and the reflectivity decreased with the increase of the twist angle. The longer wavelength produces"red shift". The shorter wavelength produces"blue shift". And the wavelength shift is basically same.

研究表明，随着扭转角度的增加，两个偏振方向的光栅反射谱中心波长发生移动且反射率降低，长波长的产生&红移&，短波长的产生&蓝移&，移动的波长量基本相同。

Verifies the rationality of the mechanism by test. Based on analysis of the positive independent mechanical split path transmission, shift force is calculated. According to the shift force and requirements in shift time, parameters of selection and shift operating mechanism are confirmed.

对正独立式机械双流传动装置换挡过程进行运动学、动力学研究，计算出传动装置的换挡力，并结合整车对换挡时间的要求，初选选换挡执行机构的选位、换挡油缸的参数进行计算，最终得到选换挡执行机构的设计参数。

In addition, a model is formulated for Doppler spectral shift of the coupling field, and the characteristic of the Doppler spectrum of the composite backscattering field is analyzed in detail.

另外，本文还推导出了耦合散射场多普勒谱频移的理论公式，详细分析了复合后向散射场的Doppler 频谱特性。

By calculating the Doppler shift and the Doppler bandwidth relative to the three phase retardations,three-dimensional vector velocity distribution of the solution inside the capillary is obtained.

对已知浓度的聚苯乙烯溶液进行了一系列不同角度和不同流速的实验，结果证明这种新型的ODT矢量测速方法可以较精确的实现三维矢量流速的测量。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。