中心元件

Experimental accuracy and repetition of FBG temperature sensitivity and compensation were discussed.have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber;have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of FBG wave-length, have obtained the first step conclusion;have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes.

本文所做的主要工作包括以下几个内容：一、选取了常见的热膨胀系数大的材料制作封装元件，经过多次一80℃到80℃反复测试，封装元件没有出现老化开裂、封装裂纹、空洞、离层等缺陷，封装材料具有良好的温敏稳定性及复用性，与光纤相容性较好；二、对光纤光栅进行简单、实用的封装处理，就封装效果的优劣性、波长测量的准确度、重复性和封装时产生的波长损失等方面进行了一系列的实验，得出了初步的结论；三、对温敏和温度补偿式封装的实验数据进行了详细的分析和对比，从数字上对温变过程中光纤光栅中心波长的改变及温变曲线进行了定量的分析，在大量实验数据分析结果的基础上，总结出哪种材料封装效果更好，以及如何有效的减小实验误差。

The present invention provides a direct-type backlight having: a resin sealing member including at least one resin layer, which has a light reflecting section formed on the outermost surface of the resin sealing member; an optical semiconductor element sealed by the resin sealing member; and plural circular light scattering grooves formed concentrically on at least one surface of the resin layer, wherein an area of a circle in the center and an area among the respective concentric circles are substantially the same.

本发明提供了一种直下式背光，包括：树脂密封元件，其包含有至少一个树脂层，该树脂层具有形成在所述树脂密封元件最外表面上的光反射部分；由所述树脂密封元件密封的光学半导体元件；和以同心圆形式形成在所述树脂层至少一个表面上的多个圆形光散射凹槽，其中在中心的圆的面积与在各个同心圆之间的面积大致相等。

The contract calls for L-3 Vertex Aerospace LLC, of Madison, Miss., to provide specialized technical services to assist with depot-level maintenance work on aircraft and associated components and materials at the Fleet Readiness Center in Coronado, Calif.

该合同要求位于密西西比州Madison的 L-3公司的Vertex航空有限公司提供专业的技术服务，为加利福尼亚州Coronado的舰队预备中心，在飞机以及相关元件和材料等方面提供基地级维护帮助。

Methods: A 1mm3 high sensitive cubic TLD was used to measure the irradiation dos...

实验首先利用 1mm3 大小、高灵敏度的 TLD 元件，测量了单粒表面活度为 10.323MBq 的 6711 型 I 籽源在水介质中点 P 的剂量率点 P 距离 I 125 125 籽源中心 1cm，且。。。

By using CFD software FLUENT,numerical simulation for the three-dimensional flow of air between honeycombed plate heat transfer component s is carried out.

应用CFD软件FLUENT对蜂窝板传热元件板间空气的三维流动进行了数值模拟。对中心间距为19 mm的蜂窝板传热元件在不同质量流量情况下的换热和阻力特性进行了计算分析，给出了在300

The post-cam mechanism in posterior-stabilized knee is designed to provide anteroposterior stability.

此关节元件以一机构设计：胫骨元件的中心桩和股骨元件的凸轮，来提供膝关节的前后方向稳定性。

The test aimed to verificate the shape design, composition elements and the performance of every element, and also observe the occurrence of side effects.

生产的中心静脉导管包，对产品的外观设计、组成元件以及各元件的性能进行验证，同时观察其不良反应的发生情况。

Machinery Industrial Machine Hydraulic Components product quality supervision and inspection center, industrial machinery rubber seal product quality supervision and inspection center, industrial machinery, such as oil Inspection and Evaluation Center are located in our hospital.

机械工业机床液压元件产品质量监督检测中心、机械工业橡胶密封件产品质量监督检测中心、机械工业油品检验评定中心等均设在我院。

In addition, post wear was also found on posterior side of the tibial post when femoral cam is engaged to the post during deep knee flexions.

膝关节在伸直时，股骨元件接触於胫骨中心桩前侧而导致前侧磨损；膝关节在高弯曲角度时，股骨元件凸轮接触於胫骨中心桩的后侧导致后侧部分发生磨损。

An auxiliary power motor with improved structure includes wheel shell, rotor ring, stator plate, central wheel axle and control circuit.

一种改良结构的辅助动力马达，包括轮壳、转子环、定子盘、中心轮轴及一控制电路，转子环的内环面埋设磁铁，定子盘周围固设环形矽钢片，其外环面具有多个T形齿牙，其齿数为非转子环磁铁数的公倍数，矽钢片设有三相星形线圈绕组，且于定子盘电机最佳启动角度处设有霍耳元件组；借此将定子盘固设于中心轮轴，令轮壳夹设住转子环并套设于中心轮轴两侧，当转子环旋转时，即可降低磁极间的钝齿转矩，令电动车行进更加顺畅无噪音。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。