伸缩的

Magnetostrictive liquid level sensor, a kind of instrument for measurement of liquid level, is worked out on the basis of combined use of many technologies such as magnetostriction, flotage principle, electromagnetism induction and electron-technique. The measure instrument has many specialties, such as the error is tinier, the reading is righter, the range of measure is broader, the maintenance and useness is very convenient. As compared with common liquid level sensors, this kind of sensor has a lot of special advantages for high-precise measurement of liquid level.

磁致伸缩液位传感器是综合利用磁致伸缩效应、浮力原理、电磁感应、电子技术等多种技术研制而成的液位测量仪表，该传感器系统具有测量误差小、读数准确、测量范围大，维护及使用方便的特点，它在高精度液位测量领域中相对于传统液位传感器具有许多独特的优势。

Considering the nonlinear rigid characteristic of the reed in the giant magnetostrictive actuator, a composite nonlinear model was developed involving the characteristics of square and cube values of reed's damping.

针对超磁致伸缩材料存在的换能器碟簧非线性刚度特性，建立了具有碟簧刚度的平方和立方非线性特性的超磁致伸缩换能器复合非线性数学模型。

The magnetostriction of both alloys increases with the magnetic field and the largest saturation magnetostriction value of Fe83Ga17 alloy is 55×10^(-6) in 40 KA/m.

在低场下不同成分两种试样的磁致伸缩随磁场的增加迅速增大，在磁场强度大约为40kA/m时Fe83Gal7合金的磁致伸缩入达到饱和，为55×10^(-6)。

The position of reflected laser dot can be adopted by the position sensitive detector and signal processing circuit controlled by magnetostrictive coefficient test program developed on Testpoint platform. So, a computer aided test system of magnetostrictive coefficient of the films can be realized with resolution better than 1ppm.

通过在Testpoint平台上开发的磁致伸缩测试程序，采用位置敏感传感器和信号处理电路获得光斑位置信息，实现了薄膜磁致伸缩系数的计算机辅助测试，系统的分辨率：λppm。

A new electrostriction material strain measure method using optical lever has been proposed.Short arm senses micro strain at contact point,with the help of optical lever micro strain has been magnified to form a facula.The CCD camera samples the positions of facula and the micro displacement of contact point can be obtained.

提出利用光学杠杆测量电致伸缩材料性能的新方法，通过触点短臂传感微形变，并通过光学杠杆将微形变放大后形成光斑，利用CCD摄像头采集放大前后的光斑，通过对光斑图像进一步的处理可以得到微位移量，从而实现电致伸缩材料应变测量。

"A slip joint consists of outside splines on one shaft and matching internal splines in the mating hollow shaft , the splines cause the two shaft s to rotate together But permitthe two to move endwise with each other."

伸缩花键由在传动轴上的外花键和与之相连的空心轴中对应的内花键组成。伸缩花键使两轴一起转动，也能使两轴相对移动。

"A slip joint consists of outside splines on one shaft and matching internal splines in the mating hollow shaft, the splines cause the two shafts to rotate together But permitthe two to move endwise with each other."

伸缩花键由在传动轴上的外花键和与之相连的空心轴中对应的内花键组成。伸缩花键使两轴一起转动，也能使两轴相对移动。

Jointless bridge improve environment of travelling crane andprolong bridge s life .

无伸缩缝桥梁具有节省桥梁养护费用，改善行车状况，减少车辆的冲击和提高桥梁使用寿命的优点，因此无伸缩缝桥梁有着广阔的运用前景。

The effect of the expansion and the anti-thrust ring on the stress and deformation of the spiral case structure are analyzed respectively. It is found that the presence of expansion reduces in large extent the stiffness of the spiral case as a supporting structure of the turbine. It affects the safe stability of the hydro generator.

3通过对是否设置伸缩节与止推环的方案对比分析，发现设置伸缩节在一定程度上降低了流道系统的轴向刚度和抗扭转刚度，影响水电机组的安全稳定运行，设计中应予以重视。

Plunger core of this pump is made of metal tube with several radial holes in the middle. There is an elastic expansion sleeve on the middle screen plunger core; several wear resistance seal rings are on the expansion sleeve.

该泵的柱塞芯由中部开有若干个径向槽孔的金属管制成，柱塞上装有一个弹性伸缩套，套在中心筛管柱塞芯上，在弹性伸缩套外面套有若干个耐磨的密封环。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。