分析了载荷作用次数及振动频率对隔振器性能的影响,提出了提高其寿命的方法。
The effects of the times of loading and vibration frequency on isolator are studied…
在操作气速0.1ms-1、振幅2mm及振动频率1100min-1的条件下,振动流化床水平换热管的传热系数达到最大值。
The results show that heat transfer coefficient reaches maximum value under the condition of gas velocity of 0.1ms-1, vibration amplitude of 2mm and frequency of 1100min-1.
针对振动的三要素即振幅、频率及相位分别做了介绍;
The analysis of vibration is introduced by its three factors-vibration amplitude, frequency and phase.
最后给出数值结果,表明磁场的变化对振动频率及衰减系数的影响。
By using a numerical method, the effect of changing in magnetic field upon vibration frequency and coefficient of reduction is presented.
提升的意愿会带来每日频率及振动的提升。
The intent to ascend brings forth each day's worth of increasing frequency and vibration.
通过选择感觉更好的思想和通过谈论你确实想要的东西及更少你确实不想要的东西,你会平缓地调整你自己到你更广阔的视野的振动频率。
By choosing better-feeling thoughts and by speaking more of what you do want and less of what you do not want, you will gently tune yourself to the vibrational frequency of your Broader Perspective.
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.
研究结果表明:自由液面和刚性壁面对结构的固有频率、振动响应及声辐射的影响是不容忽视的。
The results of this research show that the impact of the soft surface and the hard plane on the structural natural frequencies, vibration responses and the acoustic radiation cannot be ignored.
在考虑了汽车固有振动频率及行驶速度后,利用该方法对A、E两个等级的公路路面进行数值仿真。
Considering the effect of the vehicle natural vibration frequency and velocity, the simulation and analysis are done on a, E-the two grades of road using this method.
预测电机的振动和噪声需准确计算电机定子结构的固有频率及定子的响应特性。
Accurate calculation of the stator natural frequencies and harmonic response of an electrical machine is essential to the prediction of acoustic noise and vibration.
对此系统的超声振动单元结构及原理进行了分析,阐明了应用中的关键技术点——频率选择,并通过实验验证了超声振动对于减小细胞在切剖中的变形和损伤是非常有效的。
It introduces the structure and principle of the ultrasonic vibration unit, analyzes how to choose the work frequency, and proves that it is valid and feasible by cow ovum cutting experiment.
对现役钻机底座做了现场振动测试,得到频响函数曲线及前10阶模态频率。
On-site vibration test of the servicing rig substructure is made, and the frequency response function curve and preceding 10 modes frequency are obtained.
由于剪力滞效应及剪切变形的存在,箱梁的弯曲振动频率按照初等梁理论计算往往存在较大的误差。
The vibration frequency of box gird is usually calculated by the elementary beam theory, but it will lead to a large error because of the existence of shear lag effect and shear deformation.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍,对端部绕组振动的在线监测作了简要分析,同时提出了一些个人看法。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
试验结果表明:相对位移对表面光洁度的影响是线性”的,不仅与振动幅值有关而且与振动频率及主轴转速有关。
The test result shows tha the influence of related displacement on surface finish is linear and related to amplitude and frequency of vibration and spindle speed.
数值实验结果表明:高阶质量矩阵对横向振动基频及低频的影响可忽略不计,但它们对高阶横向振动频率有很大的影响。
The numerical results indicate that the higher-order mass matrices have a negligible influence on the fundamental frequency, but they affect the frequencies of higher mode vibrations considerably.
采用摄动法研究了楔形杆轴的固有纵扭振动,并且推导出了其固有纵扭振动的振型函数及频率特征方程。
The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.
分析了反应物,前驱配合物,过渡态,后继配合物和产物的振动频率及振动模式。
The vibrational frequencies and vibrational modes of reactants, precursor complexes, transition state, successor complex and product were analyzed.
提出消除振动的主要对策,包括避免固有频率接近引起的谐振、减少压力脉动及接蓄能器吸收振动等。
The vibration dispose countermeasures which includes preventing resonance caused by same inhere frequency, lessening pressure puke and using accumulator to absorb vibration etc.
试验研究了激励频率、比例阀输入电压及磁流变减振器输入电流对座椅振动特性的影响规律。
The effects of actuating frequency, proportional valve input voltage and MR damper input current on the vibration characteristics of seat were experimentally studied.
由于构件的材料参数、几何参数及所受的载荷均为随机变量,所以构件振动时其固有频率及疲劳极限亦为随机变量。
Material characteristics, geometrical property of a structural components and the load acted on it are random variables. As a result, its natural frequency and fatigue strength are random ones.
采用摄动法求得了其近似解,得到了载流梁在磁场中的横向固有振动频率及位移解析表达式。
The perturbation method was employed to get the control equation's approximate solution. The analytical expressions of beam's natural lateral vibration frequency and displacement were derived.
分子中具有红外活性的两个原子间的振动频率与化学键的力常数及折合质量有关。
The vibrant frequency of carbonyl is concerned with the force constant and convert mass of the carbonyl.
应用该方法仅需要知道闭环系统及柔性振动的频率及阻尼,而且可以同时抑制任意多个振动模态。
Its application needs only frequencies and damping ratios of closed-loop and flexible modes and can be used to eliminate arbitrary vibration modes simultaneously.
在此基础上得到了空载时扭转振动的频率方程、共振频率表达式及角位移放大系数表达式。
Based on the equivalent circuit, the resonance frequency equation, the expression of resonance frequency and the angular displacement amplitude magnification are obtained.
通过求解弹簧中纵波的波动方程,讨论了弹簧质量对振子的振动频率及弹簧劲度系数的影响。
The effect of spring mass on oscillation frequency and elastic constant is discussed by solving the wave equation.
利用有限元法分析了某核电站排气钢塔的固有振动特性,即一阶、二阶振动频率及振型。
The finite element method is used to analyse the natural vibration of a exhaust chimney with steel structure in a nuclear power plant, such as the first, the second frequency and their model.
分别计算了对称截面及非对称截面多跨连续梁,当相邻跨按对称振型振动时的固有频率,讨论了不同边界条件对固有频率的影响。
The natural frequencies of symmetrical section and non-symmetrical section continuous-beam are calculated in detail, and results of continuous-beam with different constraint conditions are given.
分别计算了对称截面及非对称截面多跨连续梁,当相邻跨按对称振型振动时的固有频率,讨论了不同边界条件对固有频率的影响。
The natural frequencies of symmetrical section and non-symmetrical section continuous-beam are calculated in detail, and results of continuous-beam with different constraint conditions are given.
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