alternating gradient synchrotron是什么意思

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This article introduces the characteristic and function of AC-AC frequency conversion vector control system used in main driving motor in the CSP finishing mill,and expatiates the basic theory of AC-AC frequency conversion vector control.

文章介绍了薄板坯连铸连轧精轧机主传动电机应用交-交变频矢量控制系统的原因和特点,阐述了交-交变频矢量控制的基本原理,是一种高性能的控制方式,在现代化生产中具有重要意义。

Formation and control of turbulent in metal melts purified by alternating magnetic field;

交变磁场净化金属液时金属液紊流的形成及其控制

Measuring alternating magnetic field and permeability of vacuum by oscillograph;

用示波器测交变磁场及真空磁导率

The study of heat effect of magnetic fluids under an alternating magnetic field;

磁流体在交变磁场中的热效应研究

This paper contains a detailed experiment analysis on the fracture section characteristic,metallographic organization,chemical consists and mechanics property of the drill-stem subs,and performs a set of analysis calculation on the mutative load which putting on the drill-stem subs.

推断出转换接头的断裂原因:在使用过程中存在选型不合理,在弯曲、拉压、扭转、冲击、振动等交变载荷的复合作用下,在危险截面产生疲劳裂纹,从而导致转换接头疲劳断裂。

This paper contains a detailed experiment analysis on the fracture section characteristic,metallographic organization,chemic consists and mechanics property of a drill pipe and a set of analysis calculation on the mutative load which putting on the drilling pipe.

在弯曲、拉压、扭转、冲击、振动等交变载荷的复合作用下,在钻杆外表面的腐蚀坑底部产生疲劳裂纹,随着裂纹的不断扩展,导致钻杆腐蚀疲劳断裂。