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According to the model, the deflection and main pre-brace parameters are illustrated with the Jinsong station of the tenth line in Beijing. It demonstrates that the curve shape of theoretical result, computing result and the on-set measure result are uniform in the main and the change law is similar; that the circumferential space of pipe-roof has a optimum value while satisfying the pre-brace function; that the relation between diameter of steel pipe and flexibility of barrel vault meets negative exponential function. And the diameter of steel pipe has a optimum value.

依据该模型，以北京地铁10号线劲松车站管棚支护为例，着重对管棚的挠度和主要支护参数进行的分析表明：理论结果与计算结果和现场量测结果的曲线形状基本相同，变化规律相似；在满足预支护作用的同时，存在相对较优的管棚环向间距；钢管直径与管棚挠度之间符合负指数函数关系，管径存在最佳值。

A novel structure of Corrugated pipe diaphragm pump is proposed. A model of corrugate pipe is built base on the prototype used in ShenHua coal-to-oil conversion technology experimental base. The distribution of stress in the corrugated pipe diaphragm is analyised using COSMOS/Works finite element simulation.

提出了一种采用波纹管隔膜取代平板隔膜的新型隔膜泵；以某煤制油中试基地试验样机的波纹管隔膜为例，建立了波纹管隔膜计算模型，应用COSMOS/Works有限元软件计算了波纹管隔膜工作应力并分析了其应力分布规律。

In this paper, the limit load of buried pipe, that is used in Nanjing city nature gas using engineering, was studied by finite element analysis under various groundsill character, pedestal angle and ground pressure, and the risk assessment for this piping was performed. The limit load of buried pipe was measured by experiments. The research contents and results were as follows:(1) With FEA method, the effects of various groundsill character, pedestal angle and ground pressure on the limit load of buried pipe were studied.

本文主要针对南京市城市天然气利用工程的埋地管道，研究其在不同地基性质、支座包角和地面载荷情况下的极限载荷，并进行了试验研究，同时进行了风险评价，主要研究内容与结论如下：(1)通过有限元计算分析，研究了不同地基性质、支座包角和地面载荷对埋地管道极限载荷的影响。

In order to settle the problem of adjusting the surface level of liquid in U type pipe, the author improves the liquid piezometer. The scoop type pipe is used instead of the U type pipe, and is fixed on a board with scale. And the detection head is fixed on the rail which can slide up and down.

为了解决液体压强计中U型管液面难以调平的问题，对该装置进行了改进，将U型管改为勺型管，并固定在有刻度的展示板上，同时将探头固定在可上下滑动的横杆上，使其可以沿着有刻度的金属杆移动。

The composition of the device comprises a substrate and a cover plate. A cross-form groove is disposed on the base material of the substrate; a disperse phase fluid inlet pipe and a fluid outlet pipe are respectively inlaid in the groove to form a coaxial sleeve structure; a continuous phase fluid inlet pipe is embedded in a groove on the two sides and connected with the coaxial sleeve; and the cover plate is hermitically attached to the upper surface of the substrate and seals the groove.

其组成包括基片和盖片：所述基片的基材上开有一个十字型凹槽；分散相流体入口管和流体出口管分别嵌入到凹槽内形成同轴套管结构；连续相流体入口管嵌入到两侧的凹槽内与所述同轴套管相连；所述盖片紧密贴合在所述基片的上表面上将所述凹槽进行密封。

All parts that will contact ethanol in the divece such as condensor,buffer tank,coolingsnake pipe ar e made of stainless stwwl in order to guarantee that the finished product,ethanol ,is not polluted,Nodel Wstill may use disassembled U type heating pipe.When maint enance,it can be removed out of the still,So it is very convenient to clean the o uter wall of heating pipe and the inner wall of still.

本装置中凡接触酒精的设备部分，如冷凝器，稳压罐，冷却蛇管等均采用不锈钢，以确保成品酒精不被污染。W型之蒸馏釜采用可拆式U型加热管，在检修时可将U型加热管移出釜外，便于对加热管外壁及蒸馏釜内壁进行清洗。

In the way of prophase preparing, this paper emphasizes the importance of full collecting inhering under pipe using no-dig horizontal directional drilling paving in the busy street and emphasizes the exploration technology being the main mean of inhering under pipe. Thus it can provide the main pledge measure of under pipe security and operator security.

在前期准备方面，本文强调在闹市区采用非开挖定向钻进铺设地下管线时全面收集原有地下管线资料的重要性，强调物探技术是对原有地下管线探查的重要手段，即保证原有地下管线安全性及操作人员人身安全的重要保证措施。

The measuring system comprises a coal transmission pipe, and the emitter and the receiver are arranged at two sides of the coal transmission pipe and positioned along the radial direction in a staggered way, thus leading the transmission direction of a microwave signal that is emitted by the emitter and the flowing direction of the pulverized coal in the coal transmission pipe to form an offset angle between 30 and 60 degrees.

该系统包括输煤管，发射器和接收器设置在输煤管两侧，并沿径向错位安装以使发射器发射的微波信号传输方向与输煤管内的煤粉流动方向成偏角，该偏角为30～60°。

By utilizing stage to stage control method, the walking robot realizes static gait walking, the in-pipe robot can walk in the pipeline forward and backward, up and down, left and right, can pass"L"shape and"T"shape pipe connector, can pass in and out pipe nozzle.

采用基于马氏体相变的分阶段驱动控制方法，步行机器人实现了静步态行走，管内机器人实现了管内前后、上下、左右全方位行走，可通过&L&型、&T&型管接头，可进出管口。

The wire winding wheel has one left disc with two sections of circular wall to form the power cable inlet and embedding opening and positioning hole in the peripheral of the shaft pipe; one right disc with central shaft pipe, positioning expansion pipe capable of being inserted into the positioning hole and circular wall in the same radius as that in the left disc; and one power cable winding shaft inserted into the circular walls to form one integral and with power cable inlet.

本发明在左内凹盘的反面圆台上相对位置突出2段弧形围壁，成为电源线导入口和对侧的嵌入豁口，轴管外围分设定位孔；右内凹盘反面圆台中央也突出轴管，其外围对应定位孔的位置上设置可插入孔内的定位胀管，环设的环围壁与左内凹盘的反面圆台上弧形围壁对应等径；嵌入围壁插入嵌入豁口而成为一体的设有电源线导入口的绕线轴。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。