圆柱

A semicircular cylindrical thin piezoelectric shell is studied and the distribution of actuating voltages and their variations with the time is obtained.

最后，作者对一半圆柱压电层合壳的主动振动控制进行了研究，得到了结构在振动控制过程中，各电极电压的分布情况以及随时间的变化曲线。

Bistatic scattering of a perfectly conducting semicylinder is analysed by using a hybrid method.

摘要本文应用混合技术分析了在TE平面波激励下，理想导体半圆柱的双站散射。

The effects of curvature radius R of the cylindrical shell with circumferential semielliptical surface cracks on stress intensity factors K_Ⅰ are investigated.

本文探讨了含周向内、外半椭圆表面裂纹圆柱壳体的曲率半径对其应力强度因子K_1的影响。

Using staircase concatenation method SCM,the optimum coupling conditions were achieved for wedge-shaped fiber wedge angle,cylindrical endface lens curvature radius,semimajor axis of planar lightwave circuit elliptical field,aspect ratio of planar lightwave circuit elliptical field,misalignment tole.

在多量子阱-平面光波光路前置模斑转换器和不加模斑转换器的情况下，用阶梯串联法数值模拟并优化设计了楔形光纤-平面光波光路间最佳耦合参量：楔形光纤楔角45°、端面圆柱透镜曲率半径2。

In practical experiment on a ceramic cylinder gyroscope, it shows that the resonant frequency is quite approximate to the simulated one. A good linear relation of the sense voltage to rotation speed is obtained, which indicates the piezoelectric ceramic cylinder gyroscope is good at the measurement for low and medium rotation speed.

在圆柱型陀螺仪之实验过程中，显示驱动与感测之共振频率几乎为一致；而在旋转实验中得到转速与感测电压拥有良好的线性关系，亦指出该陀螺仪在中低转速下拥有较佳之线性关系。

Sometimes traditional separation of variables is not work anymore if the problem is presented in a Lagrangian system.

本文针对弹性圆柱壳在热荷载、冲击荷载以及两种荷载耦合作用下的屈曲问题，通过引入原变量与对偶变量组成的全状态变量，建立了系统的哈密顿体系。

Basal and cauline leaves 2 or 3; leaf sheath auricles well developed; leaf blade terete, 2--27 cm, on cauline leaves tubular and distinctly septate.

基生和茎生叶2或3；叶鞘的叶耳发育良好；圆柱状的叶片，2-27厘米，茎生叶上管状和清楚具隔的。

Modal method is used for theoretical analysis to set up a theoretical structure response system of the multi-row shells.

采用模态法进行理论分析，建立了多排圆柱壳在爆炸载荷下的结构响应理论体系。

The standard for the kilogram is a platinum-iridium cylinder kept at the International Bureau of Weights and Standards in Sevres, France.

千克的标准是指置于法国塞夫勒的国际度量及标准局的白金铱圆柱为准。

Traveled by light in a vacuum in 1/299,792,458 of a second. TheInternational Bureau of Weights and Standards in Sevres, France.

千克的标准是指置于法国塞夫勒的国际度量及标准局的白金铱圆柱为准。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。