共振腔通常是抽空的。
采用格子气数值方法模拟了共振腔中气体声振荡衰减过程。
A lattice gas method is applied to simulate the attenuation of sound oscillation.
电影中也没有出现任何加速粒子的装置，但萨托吉塔认为射频共振腔可能被摆在了画面之外。
There's nothing to accelerate the particles, either, but Satogata says the RF cavities could be offscreen.
值得关注的是，红外激光相对于声共振腔的入射方位不同则激励产生的光声信号幅值也不同。
With different incidence orientation of the modulated IR laser relative to acoustic chamber, the sound pressure magnitude of resonance mode varies.
对水力它激的作用方式、扰动波特性、激励条件和共振腔内流体流动特性理论模型进行了较全面的理论分析。
The paper analyses the action method, disturbance wave property and excitation condition of hydraulic independent excitation and theoretical model of fluid flow property in resonance cavity.
他的公司——人造卫星推进研究公司(SPR)，已经造出了引擎的原型，用一个充满微波的锥形共振腔制造推进力。
His company, Satellite Propulsion Research (SPR), has constructed demonstration engines, which he says produce thrust using a tapering resonant cavity filled with microwaves.
这对将共振腔应用于换热器上以提高换热效果是一个很好的理论依据，特别是对改造工程领域中众多的换热器具有积极意义。
The results can provide a basis for applying the resonant chamber to enhance heat transfer, which has practical significance on rebuilding lots of heat exchangers.
研究了一种基于微环谐振腔的耦合共振光波导反射镜。
A coupled-resonator optical waveguide reflector(CROWR) based on triple-micoring was investigated.
本文研究了低流速范围内突出式和陷落式圆柱形腔的流激自持振荡和驻波共振问题。
The flow-induced self-sustaining oscillation and standing wave resonance of protruding and trap cavities are studied at the low speed range.
利用仅由两个光栅和一个共振反射器组成的激光腔，就能得到线宽为1.3千兆赫的由N_2激光泵浦的染料激光。
By using a laser cavity which consists of only two gratings and a resonant reflector, a N2-laser-pumped dye laser with a spectral linewidth of 1.3 GHz has been made.
适当调节腔的共振频率，可以使压缩效应增强或减弱。
By appropriately tuning the cavity resonant frequency, squeezing in the phase quadratures can be enhanced or reduced.
结果表明，在共振相互作用下腔耗对原子和场的压缩都有显著影响，但在非共振相互作用条件下腔耗对原子和场的压缩影响下降。
It is found that the cavity dissipation has an obvious influence on the atomic squeezing and the field squeezing under the resonant atom-field interaction.
磁共振成像可明确显示关节滑膜、关节腔积液、关节软骨破坏和关节周围软组织改变。
RESULTSMRI could reveal accurately the synovium of joint, effusion of joint, destruction of articular cartilage and the changes of periarticular soft tissues.
通过数值模拟，发现原子在与腔场共振相互作用后，并选择性探测原子的内态，能使上述某些非经典效应得到明显增强。
Numerical simulation results show that some nonclassical properties can be enhanced after resonant interaction between the atoms and the cavity and the performance of a selective atomic measurement.
目的：评价磁共振造影对颞下颌关节上腔囊内粘连的诊断价值。
PURPOSE:To evaluate the value of magnetic resonance arthrography (MRAr) on the diagnosis of intraarticular adhesions of the temporomandibular joint(TMJ).
基于有差伺服调节技术，实现了外置光学谐振腔的共振频率与钛宝石激光器工作频率的锁定。
With the peak-seeking servo-controlled technology based on a residual error, an external optical cavity can keep in resonance with the frequency of Ti-sapphire laser in the experiment.
结果：在舍格伦综合征患者磁共振成像中可看到点状、球状、腔状及破坏性表现，少数有正常的主导管和分支导管表现；
Result: Representation of punctate, sphere, cavity and destruction were seen in the parotids involvement by MR, so did few normal main duct and intraglandular ducts.
基于共振声谱法，研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。
In this paper, the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.
研究了两个偶极偶极力关联的等同双能级原子与三模腔场六光子共振相互作用的辐射谱。
The emission spectrum for a pair of dipole dipole coupled identical two level atoms interacting with three mode cavity fields resonantly through 6 photon process has been studied.
研究了存在偶极相互作用的两等同原子与双模腔场共振相互作用双光子过程的腔场谱。
The cavity field spectrum of a pair of two level atoms coupled by dipole dipole force in a ideal cavity with two mode radiation field is studied.
提出了一个利用单模腔场和原子的共振相互作用制备团簇态的方案，并引入了辅助原子。
We introduce anauxiliary atom in the resonant interaction between a single-mode cavity and atoms, the final state of the auxiliary atom is unchanged.
经过分析，发现突出试验段壁上的流线型腔与突出的矩形腔在气流中被激振荡相似，存在着其频率与流速无关的腔中液体声共振谱峰；
One of them is the sound standing wave resonance of fluid in cavity, the frequencies of which are invariable as velocity of flow is increasing.
结论低场强磁共振成像对急性蛛网膜下腔出血有较大的诊断价值。
Conclusion There is greatly diagnostic value by low-field MRI for ASAH.
结论低场强磁共振成像对急性蛛网膜下腔出血有较大的诊断价值。
Conclusion There is greatly diagnostic value by low-field MRI for ASAH.
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