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- formula of vibration frequency 频率公式
- EFFECT OF VIBRATION FREQUENCY ON DYNAMIC CONSTITUTIVE RELATIONSHIP OF LOESS? 振动频率对原状黄土动本构关系的影响?
- This paper deals with the mechanism of Karman vortex street and calculation of vibration frequency as well as the exciting force induced by vortex. 本文阐述了卡门涡列的机理,并计算了卡门涡列振动频率及诱发的激振力大小。
- The difference of vibration frequency and type of having coping and no coping is compared, and the preventing measures of big stress place are put forward. 比较了有、无顶盖车体的振动频率及各振型间的差别，以及对结构应力较大处产生的原因提出了详细的预防改进措施。
- The silt distributing abroad in Hangzhou bay was chosen as research object to evaluate the effect of vibration frequency on dynamic strain and dynamic strength of silt. 试验选用杭州湾地区分布较广的粉土，研究了振动频率的变化对粉土动应变和动强度的影响。
- And there is the best combination of vibration frequency and shear rate for reducing the apparent viscosity of LLDPE melt to a minimum in the complex stress field. 在复合力场中存在使黏度降低最大的振动频率和剪切速率的最佳搭配。
- The formula of the medicine is still a secret. 此药的配方仍是秘密。
- It was Hart who created the basic formula of the western film. 正是这个哈特创造了西部电影的基本格局。
- Practical estimation formula of vibration basic frequency of suspension bridge 悬索桥振动基频的实用估算公式
- Effects of vibration frequency and vibration pressure amplitude on yield strength, elongation at break, modules of elasticity in tension and impact strength of injected HDPE samples were explored. 采用自制的振动注射试验装置注射成型高密度聚乙烯(HDPE)制件,探讨振动频率、振动压力幅度对HDPE注塑件屈服强度、断裂伸长率、拉伸弹性模量和冲击强度的影响。
- calculating formula of vibration velocity 振动计算公式
- Results show that apparent viscosity of melts decreases with the increase of vibration frequency,but the decreased amplitude changes with different temperature,pressure and vibration amplitude. 试验结果表明,熔体表观粘度随振动频率的增加而降低,但降低的幅度随压力、温度和振幅的不同而不同。
- Dynamic tri-screw extruder was used to prepare PP/ CaCO3 composites.The effects of vibration frequency and amplitude on the mechanical properties were investigated in this article. 采用新型动态三螺杆挤出成型技术,制备了聚丙烯/碳酸钙复合材料,并研究了振动工艺参数对材料力学性能的影响。
- Today we will learn the formula of triangle area. 这节课我们学习三角形面积的计算公式。
- We have changed the formula of the washing powder. 我们已改变了洗衣粉的配方。
- Characteristics of vibration frequency 特征振动频率
- The Unified Demonstration on Formula of. 隐函数求导公式的统一证明。
- The calculation formula of DSIF was proposed. 在此基础上,构建了用于计算动态应力强度因子的近似表达式。
- The variety of vibration frequency with tetragonal strain shows that the soft mode frequency increases with the tetragonal strain increasing followed by the transition of unstable soft mode to stable vibrational mode at a certain critical point. 振动频率随四方应变的变化关系表明，随著四方应变的增大，软模的频率增大，在某一个临界点，不稳定的软模转变为稳定的振模。
- This is the molecular formula of diazine. 这是氯哒嗪的分子式。
