利用弯曲振动试验、纵波传播试验、纵波共振试验测定刨花板的动态抗弯弹性模量。
The dynamic deflection moduli of particleboard were measured by flexural vibration. longitudinal transmission and longitudinal resonant vibration.
通过饱和多孔岩石的低频亚共振试验，得到了饱和多孔岩石的内耗峰是典型的弛豫峰的结论。
From the experiments of low frequency sub resonance vibration for different fluid saturated rocks, the internal friction peak was found to be a typical relaxation peak.
用此种辨识方法获得的液体晃动的主频率和参预基频晃动液体的等效质量与理论计算和共振试验法得到的结果基本一致。
Mechanical parameters of sloshed liquid are obtained finally. The parameters determined by this method are fairly consistent with the results of theoretical calculation and …
试验中，研究人员运动核磁共振成像技术在检测受测者得大脑活动情形。
In the study the researchers also used magnetic resonance imaging to see inside their subjects' brains.
有一种试验叫做功能核磁共振成像。
An experiment called functional magnetic resonance imaging as illustrated here.
与在一个功能性核磁共振成像试验中一样，我们告诉迈克去仔细看人脸和其他东西。
And again in one of the functional magnetic insonance image experiments, we could ask Mike to examine faces verse other things.
而最新的一项这方面的研究是由位于旧金山的加利福尼亚大学研究人员开展的，试验中使用了比之前更为精密的磁共振成像技术。
But then came the latest study on the issue, this one from researchers at the University of California at San Francisco, using a more sensitive type of M. r.
试验者一边听着笑话，实验人员则在一边用脑功能核磁共振成像仪对他们的大脑进行扫描，以追踪和记录他们的大脑活动情况。
As the subjects listened, their brains were scanned with functional magnetic resonance imaging, which tracked their mental activity.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
使用的共振柱仪是由工程力学研究所原有共振柱改装而成，并经试验验证了改装后仪器的精度和可靠性。
The refitted resonant column apparatus in the Institute of Engineering Mechanics is employed for the experimental investigation and its accuracy and reliability have been verified by the tests.
目前，国内柴油机行业普遍使用的曲轴弯曲疲劳强度试验台架，均采用音叉共振板结构。
At present, tuning-folk resonance plate structure is common used in crankshaft bending fatigue test bench in domestic diesel engine industry.
内燃机排气系噪声试验中，在某种转速下，排气系发生共振，从而使发动机噪声大大增加。
In concurrence with the exhaust system resonance occurs at certain engine rotating speed during testing, the noise level of engine will substantially increase.
本文论述了振动试验中的共振搜索方法。
The essay puts forwards the method of resonance search of vibration test.
通过装车试验证明，该动力吸振器对汽车动力总成的弯曲共振有较好的抑制作用。
The vehicle running test shows that this damping power shock absorber can greatly restrain flexural resonance of vehicle power assembly.
方法：总共有91名经磁共振胆管造影术中检查有胆结石及胆总管结石的患者纳入一项前瞻性随机试验。
METHODS: a total of 91 elective patients with cholelithiasis and CBD stones diagnosed at magnetic resonance cholangiography (MRC) were included in a prospective, randomized trial.
试验结果表明，球锥贮箱液体晃动可能与卫星章动共振，而使章动发散时间常数剧烈下降。
The test results show that, the liquid sloshing in sphere-cone tanks may resonate with satellite nutation, and nutating divergent time constant will be shapoly reduced.
采用共振柱试验方法，研究了固结比对砂土最大动剪切模量以及对动剪切模量比与剪应变非线性关系的影响。
The effects of the consolidation ratios on the maximum dynamic shear modulus and the dynamic shear modulus versus the shear strain of sands are presented by using the resonant column method.
试验分别采用正弦激励模态共振法和锤击激励传递函数测量法。
The resonance method excited by sine sweeping and the transfer function method excited by hammer impact are adopted.
为了验证有限元法计算结果，又通过实地的振动试验，具体测出了横梁的共振频率，验证了有限元计算结果的正确性。
Vibration tests were done in order to verify the simulation results, finally the resonance frequency was detected and made a conclusion that the simulation result is right.
本文通过对比试验分析了两种管长在不同转速下噪声频谱图，其共振转速与计算结果比较吻合。
The analysis of noise spectra of two exhaust pipes at different engine speeds is made. the resonance speed is obtained and agrees with the calculating value.
对阻尼器不同孔径进行了对比试验，试验结果表明：随着活塞孔径的增大，阻尼器的损耗因子和阻尼比减小，共振频率增加。
The experimental results show that the loss factor and damp ratio decrease, the resonance frequency increases with increase of the aperture of the piston in the damper.
这架试验机上安装有我国第一套数字式气动变稳飞行控制系统，这类飞机上不允许地面共振现象存在。
It is not allowed that construction resonance phenomena appear in the aircraft which is equipped with digital variable stability system.
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.
研究了一种利用晶振测量 真空度的方法，经试验，至少经两天老化后晶振的共振频率才能稳定；
A method to detect vacuum degree using crystal resonator had been investigated, and resonant frequency of crystal resonator could be stabilized after two days aging test at least.
采用共振柱试验方法，提出了一个非均等固结下砂土最大动剪切模量新的增长公式。
A new formula for evaluating the maximum dynamic shear modulus of the sand under the anisotropic consolidation is presented by using the resonant column method.
试验结果表明：随着激励振级加大，板状燃料组件的第一阶共振频率减小；
As excitation magnitude increases, the 1st resonant frequency of the parallel plate fuel assembly decreases.
试验结果表明：随着激励振级加大，板状燃料组件的第一阶共振频率减小；
As excitation magnitude increases, the 1st resonant frequency of the parallel plate fuel assembly decreases.
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