| 1. | Analysis of factors affecting blasting vibration frequency
爆破振动频率影响因素分析 |
| 2. | Research on influencing of crack to natural vibration frequency of brief - beam
开裂对简支梁自振频率影响研究 |
| 3. | Numerical analysis of the effect of damage caused by shock on natural frequency of floating raft
冲击损伤对浮筏隔振系统固有频率影响的数值分析 |
| 4. | And the essential reason of influence of different frequencies on rock life was different rate of loading
幅值和波形影响的实质是能量耗散的不同，而频率影响疲劳寿命的实质在于加载速率的不同。 |
| 5. | The result also denotes rotary inertia and the shear formation of the beam have significant effect on the high frequencies
粘结层剪切弹性模量对一阶频率影响较小；考虑梁的剪切变形和转动惯量时，对梁的高阶频率影响较大。 |
| 6. | The effects of observing scale on the measurements of acoustical velocity were studied by ray theory and equivalent medium theory
分析了声波频率影响传播速度的机理，给出了不同温度不同压力条件下声波速度随频率变化关系的实例。 |
| 7. | Because structure inherent frequency affects vibration strength , frequency domain analysis results show that power signal density ( pst ) curve has two high peak during the frequency of 0 . 38 ~ 0 . 41hz
频域动强度分析结果显示，功率谱响应在0 . 37 041hz之间有两个比较大的峰值，这是系统固有频率影响的结果。 |
| 8. | The results show that : ( a ) the influence of the groove shape on the low cut - off frequency is great at certain groove depth ; the high cut - off frequency is gradually lowered from triangle profile , cosine profile to swallow - tailed profile
结论为: ( 1 )槽深较大情况下,槽形状对截至频率影响较大,槽形状从三角形变化到燕尾形,截至频率依次降低。 |
| 9. | Through the analysis of the affecting factors of blasting vibration frequency , the paper points out that the transformation of blasting condition and test condition should be paid full attention to in the measurement analyses of explosion vibration
通过对爆破振动频率影响因素的分析，指出在爆破振动的测试分析中应充分注意到爆破条件和测试条件的变化。 |
| 10. | Numerical results reveal that the delamination decreases the natural frequencies of the laminated beam , especially for the lower order natural frequencies ; and short delamination has no appreciable influences on its natural frequencies
计算与分析结果表明，脱层使得层合梁的固有频率降低，且对低阶的频率影响较大；短脱层对梁的固有频率并没有明显的影响。 |
