osillection theorem

The distribution and asymptotical estimate of eigenvalues are discussed for periodic problem of Dirac equation,and the osillection theorem is obtained.

本文讨论了一维Ｄｉｒａｃ方程周期问题特征值的分布与渐近估计，从而得到了两类特征值的振动定

Test and study of overhead guard vibration of a type of internal-combustion forklift truck;

某型号内燃叉车护顶架振动实验研究

Vibrational derusting process of small-caliber pipe inwall;

小口径钢管内壁振动除锈工艺

The vibration analysis of WXX-200 rotating cyclone centrifuge;

WXX-200型旋转旋流离心机振动分析

Effect of Oscillation Field on Polymer Melt Flow in Extrusion Die of Profile;

振动场对聚合物熔体在异型材挤出口模内的流动影响

Research of mold electro-hydraulic servo oscillation system on Baosteel Continuous Casting Testing Platform;

宝钢连铸试验平台结晶器电液伺服振动系统研究

Analysis on the oscillation unit of thin slab Conti-casting machine;

包钢薄板坯连铸机结晶器振动台机构分析