查询词典 cantilever

The out-of-plane librations of a si-micro-cantilever under different amplitude sine-base-excitation are efficiently tested,and the error of measurement repeatability for out-of-plane micro-motions is less than 10 nm.

通过实验对硅微悬臂梁在不同幅值正弦基础激励下的离面振动响应进行了有效测量，且测量重复性误差小于10 nm。

Compare with tunable filter detection technique, the wavelength measurement technique using tunable source is analyzed theoretically. We design a kind of all-fiber sensing interrogation system, by using long-period fiber grating as edge filter to interrogate the sensing signal of the FBG sensor. The wavelength resolution of the sensing measurement is 0.05nm.A novel FBG Bourdon tube sensor has been constructed, utilizing the pressure mechanic amplify function of Bourdon tube. The measured pressure sensitivity is two orders of magnitude higher than a simple monomode fiber with an in-fiber grating. Especially the pressure sensitivity of the sensor can be determined by changing the parameters of the cantilever beam. Adopting polymer package technique, we coat fiber Bragg grating by using polymer with different mechanic properties.

利用波登管对于压力的机械放大作用，研制了一种新颖的光纤光栅波登管压力传感器，将FBG的压力灵敏度提高了两个数量级，特别是这一传感器的压力灵敏度的大小可以通过改变悬臂梁自身的参数灵活控制；采用聚合物封装技术，将FBG封装于具有不同力学特性的有机聚合物基底中，利用基底的带动作用，将FBG对压力的灵敏度分别提高了20倍和31.7倍，由于我们采用了特殊的工艺，封装后的FBG不出现任何光栅啁啾；在成功封装的基础上对封装光栅的蠕变效应、FBG与封装材料之间的防滑处理等进行了实验研究；设计了外加圆柱形铝管的聚合物封装光纤光栅，将FBG的压力灵敏度提高了1430倍，可用于对微小压力变化的精确测量。

The wavelength resolution of the sensing measurement is 0.05nm. A novel FBG Bourdon tube sensor has been constructed, utilizing the pressure mechanic amplify function of Bourdon tube. The measured pressure sensitivity is two orders of magnitude higher than a simple monomode fiber with an in-fiber grating. Especially the pressure sensitivity of the sensor can be determined by changing the parameters of the cantilever beam. Adopting polymer package technique, we coat fiber Bragg grating by using polymer with different mechanic properties. Due to the driving effect of the polymer substrate, the enhanced pressure sensitivity is more than 20 times and 31. 7 times than that of a bare fiber grating. The packaged grating exhibits no significant chirp due to the adoption of special packaging technique.

全部采用国产元器件，成功地研制了掺铒光纤超荧光宽带光源，并将其组装成仪器；设计了利用可调谐FBG滤波器对光纤光栅传感信号进行检测的实验方案，对这一传感检测方案进行了理论分析和实验研究，由于采用了高性能的光电测量系统，传感测量的波长分辨率可达2pm，对应的应变分辨率为1.7με，在此基础上对FBG的波分复用传感特性进行了研究；对比调谐滤波检测技术，对光纤光栅可调谐光源波长检测技术进行了理论分析；采用长周期光纤光栅作为边带滤波器，对光纤布拉格光栅的传感信息进行解调，设计了一种全光纤传感测试系统，其波长分辨率可达0.05nm。

Gradually, as cantilever monoplanes proved their efficiency, less economical designs were discarded, and aircraft took on a more stereotyped look.

随着悬臂单翼机的效率被证实，不经济的设计逐渐被淘汰，飞机呈现出一种陈规的外型。

Gradually, as cantilever monoplanes proved their efficiency, less economical designs were discarded, and aircraft took on a more stereotyped look.

随着悬臂单翼机的效率被证实，不经济的设计逐渐被淘汰，飞机呈现出一种全国翻译资格资料的外型。

By use of the system of the equations, large deflection of an elastic cantilever subjected to a concentrated force at its tip is analyzed and some comparison between the system of equations of the geometric central axis and those of the neural axis is made.

结果表明，当载荷较小时，2种理论计算出的弹性大挠度悬臂梁的变形曲线差别很小；而当载荷较大时，2种理论计算出的弹性大挠度悬臂梁的变形曲线存在比较明显的差异。

The presented method was implemented for the optimization of a cantilever plate with stiffeners.

通过对悬臂板结构的优化计算表明，该方法对结构优化问题是有效的。

In 1928, Freysinet used the cantilever concept to construct the springings of the arch rib in the Plougastel Bridge.

在1928年，弗莱西奈运用悬臂的概念，在德国普鲁加斯泰尔桥修筑了拱桥的起拱部分。

Automotive snorkels Mei-called cantilever handling devices, referred to the end of car plate; Tipper roof closed system known as dump trucks cap, dump trucks automatically open the cap, is all over urban management and sanitation sector in order to improve the region The urban environment, and regulate the transport and Zhatu Daofang, in particular to ask the soil transport vehicles to install the closed roof; regulating cargo storage warehouse known as the Taiwan-conditioning, hydraulic boarding palanquin, the goal is to regulate the storage bed The high level reached with the different types of cargo compartment of a smooth convergence to facilitate loading and unloading; fixed-take-off and landing platform known as shear platform, is a goods from low to high or the removal from height moving to lower the hydraulic Auxiliary handling machinery.

汽车液压升降尾板又叫悬臂式装卸装置，简称汽车尾板；自卸车顶盖密闭系统又叫泥头车顶盖、泥头车自动开启盖，是各地城管和环卫部门为了改善本地区的城市环境，规范渣土的运输与倒放，特别地要求泥土运输车辆必须安装的密闭式顶盖；仓库调节货台又叫仓库调节板、液压登车轿，目的是通过调节仓库货台的高度达到与各类高低不同的货运车厢的顺利衔接，方便装卸；固定式升降平台又叫剪式平台，是一种将货物从低处搬运至高处或从高处搬运至低处的液压式辅助搬运机械。

If visitors watch from the cliff on the left of a shiting, Long's first cliff cantilever Qiao Li, a rock lie on it, like the black dragon head high.

游客若从悬崖左边一石亭观看，龙首崖悬壁峭立，一石横亘其上，恰似苍龙昂首。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新