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1)  axial viberations of an elastic rod
弹性杆轴向振动
1.
The one-dimensional axial viberations of an elastic rod is considered by the Hamilton-jacbi equation,and the solution to the viberations is established.
选用一组正交基函数来表示系统的刚度和惯性分布,依此用连续系统的哈密顿-雅可比方程研究了一维线弹性杆的轴向振动,并由初始条件和边界,最后得到了弹性杆轴向振动的解。
2)  screw's axial vibration
螺杆轴向振动
3)  flexible rod vibration
弹性杆的振动
4)  Axial vibration
轴向振动
1.
Analysis of axial vibration fault of large generator set and its countermeasures;
大型发电机组轴向振动故障的分析及对策
2.
Study on mechanism of axial vibration of water-turbine generator units;
水力机组轴向振动机理分析研究
3.
Analysis of characteristic of axial vibration in low-speed long-stroke marine engine;
长行程船用柴油机轴系轴向振动特性的分析
5)  elastic vibrating-rod sieve
弹性振杆筛
1.
This paper discusses the work principle of elastic vibrating- rod sieve, and through the transformation of the existing circular sieve-shakers, illustrates the functions of elastic vibrating-rod sieve in the process of the fine screening of moist coal, and points out some existing problems and developing directions in the future.
论述了弹性振杆筛的工作原理,通过对现有圆振筛的改造,阐明了弹性振杆筛在解决湿煤细筛分过程中的作用,并指出了存在的问题及今后的努力方向。
6)  Elastic vibration
弹性振动
1.
The signals of elastic vibrations are fed into the control system of ballistic missile via the attitude measurements,and it will have an effect upon the proper function of control system.
弹道导弹的弹性振动信号通过敏感元件馈入姿态控制系统,影响控制系统的工作,通常借助于相位稳定或增益稳定技术保证弹性振动的稳定。
2.
The coupling mathematical model and simulation method of flight vehicle structure elastic vibration and active reaction jet attitude control system ware studied,with taking the pitch channel of a certain spacecraft as an example.
文中研究了飞行器结构弹性振动和主动式喷气三轴稳定姿态控制系统耦合的数学模型和仿真方法,并以某空间飞行器轨道机动过程中俯仰通道为例,考虑控制系统的非线性特性,分析了弹性振动对姿态控制精度、响应时间以及系统稳定性的影响。
3.
According to the relationships between attitude control and elastic vibration,a reaching law control method is put forward based on fuzzy rules.
仿真结果表明,提出的方法在实现旋转机动的同时,有效地抑制挠性附件的弹性振动。
补充资料:同轴螺杆式注塑成型机
分子式:
CAS号:

性质:也称同轴往复式螺杆成型机。用螺杆使得成型材料塑化,同时螺杆也起柱塞作用的注塑成型机。可用于热塑性塑料、橡胶、泡沫塑料等各种材料的成型。由于螺杆旋转将塑化的材料积蓄在机筒头部,螺杆在积料的反压下向后退到一定的位置,同时继续将新加入的物料输送到螺杆头部。达到设定的预塑量后,螺杆停止后退,在注射油缸的作用下像柱塞一样前进,将熔融物料射出。除了保持螺杆塑化的优点外,与螺杆预塑化注塑机相比具有结构简单、成型材料滞留少、不易分解、更换材料容易等优点。

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