为了克服传统泛音比法的这一弊端，提出了测定压电振子厚度振动机电耦合系数的高次泛音比法。
To overcome the shortcoming of the traditional overtone ratio method, a higher overtone ratio method to determine the thickness vibration electromechanical coupling factors was presented.
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.
通过对实型铸造干砂振动填充紧实中的振动方向、维数、频率、加速度及干砂种类等诸多影响要素的测定实验，研究了实型铸造振动紧实干砂的性能。
Vibratory compactability of dry sand in full mold foundry has been researched by experiments on effective factors such as vibratory direction, dimensions, frequency, acceleration and dry sand sorts.
用简正振动方式理论分析了混响室内声功率测定问题，求得了严格公式和统计公式，解决了测试中多年未有定论的问题。
Sound power determination in reverberation chambers is discussed in the light of normal mode theory. Rigorous as well as statistical formulas are found, and the aged problem of.
目前，要测定一根短纤维的细度，只有采用振动法的测定仪器。
Presently, only measuring instrument using vibration method can be adopted to measure the fineness of a thread of short fiber.
通过单摆装置可以方便地研究单摆的振动周期与摆长关系和测定当地的重力加速度。
Using the single pendulum, we can research the relationship between the period of oscillation of it and the length of it and measure local acceleration of gravity.
红外光谱法测定角质层脂质中C-H对称和不对称伸缩振动吸收峰峰位及其峰面积；
The peak shift and peak areas of C-H stretching vibration absorption were estimated by Fourier transform-infrared(FTIR).
用多台起振机进行稳态强迫振动试验，测定了该坝前十阶自振频率、阻尼和振型。
The first ten natural frequencies, damping ratios and mode shapes of the dam were measured through steady forced vibration test using multiple vibrators.
本文论述了某厂无振动作业的433名健康工人振动觉、痛触觉测定的方法及结果。
Vibratory and pain sensation thresholds for 433 healthy workers without history of vibration exposure in one factory were studied.
为了不影响这些建筑设施的安全，本文介绍了大港地区炸药震源水平径向振动影响场的测定方法。
In order not to damage these buildings, the method for determining, in Dagan area, the horizontal vibration wave field of an explosive source is recommended.
测定了23种芳香胺样品的红外光谱，对氨基伸缩振动吸收峰与其结构的关系进行了探讨。
The ir spectra of 23 aromatic amines were determined and the relationships between the spectra of amide groups stretching vibrational absorption and their structures have been investigated.
在实验中就要测定单摆的摆长，然后测定此摆长时的振动周期。
So in experiment we should measure the length of single pendulum, then get the period of oscillation in this condition.
试验测定振动助流时散体颗粒在初始阶段和稳定流动阶段的振动加速度信号，并对流动场中波的传播规律进行分析。
The vibration acceleration signals at initial stage and steady stage in flowing granular media are tested, and the propagation of wave in the flowing field is analyzed.
采用剪鳍标记现场模拟法，测定了钻井噪声与振动对草鱼生长的影响。
Effects of petroleum drilling noise and vibration pollution on growth of grass carp, Myloparyngodon piceus, were studied by cut-fin marking method on petroleum reconnoitering spot.
振动频率对回弹动弹模有一定影响，高振频使测定值有所下降。
Vibratory frequency has some effect on measured value of the unloaded dynamic elastic modulus. Higher vibratory frequency may decrease a little the value of the modulus.
振动测试法是斜拉桥索力测定、监测和状态评估中应用最广泛的一种方法。
Experimental vibration measurement is one of the most widely used methods for tension evaluation and condition assessment of cable-stayed Bridges.
本文介绍通过检测机器的振动周期来间接测定封闭式压缩机转速的方法。
This paper discusses the method of determining the rotational speed of a full-closed compressor by means of measuring its machinery vibration period.
采用防水型加速度计，在不同工况下测定洗涤冷却管的振动信号，并用小波变换分析信号；讨论了表观气速和静态液位对小波功率谱的影响，分析了冷却管振动的原因。
The effect of superficial gas velocity and static water height on the wavelet power spectrum is dis- cussed and the vibration mechanism of the tube is analyzed.
本文用AU-02A型振动觉测定仪测定了172名接振工人和308名对照者的振动觉阈值。
The measurement of the threshold of seismesthesia between 172 workers with vibration exposure and 308 controls were reported by using the AU-02A type device.
现场试验包括：①测定振冲器水平振动力作用下产生的地面加速度以及制桩时引起的地面加速度与距振点距离之间的关系；
The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;
为了保证机床的机械运转状态达到规定振动指标，应对机床进行振动和噪声测定。
The vibration and the noise of the machine tools were tested to make the mechanical movement state of the machine tools reach a high standard.
本文测定了银胶中对应于苯甲酸分子不同部分振动模的表面增强拉曼峰强度随温度变化的情形。
The surface enhanced Raman (SER) intensities of the modes corresponding to the various portions of the benzoate molecule in the silver Sol are studied as a function of temperature.
结果表明，U型振动管密度计工作稳定，方便快捷，测量精度高，用于乙烯焦油密度的测定效果较好。
The results indicate that, It works stability, convincible and quickly, Precision is high, the result of density of ethylene tar is well.
流变振动仪利用等截面杆的纵向简谐振动来测定材料的阻尼，十分方便和有效。
This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
流变振动仪利用等截面杆的纵向简谐振动来测定材料的阻尼，十分方便和有效。
This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
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