The problems existing in concealed gas pipe and resolving measures

Be responsible for acceptance of sub-divisional and divisional works of the discipline and concealed work;

负责本专业分项、分部工程验收及隐蔽工程验收。

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In the case of concealed work, the contractor shall give the developer notice for inspection prior to concealment.

第二百七十八条隐蔽工程在隐蔽以前，承包人应当通知发包人检查。

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Subgrade and foundation engineering is a kind of concealed work, which is located under the ground surface.

地基与基础位于地面以下，属于隐蔽工程。

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The tunnel is a concealed work, its design and the construction faces the gneiss.

隧道是一项隐蔽工程，其设计和施工面向的对象是岩土体。

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Experimental study on seismic behavior of shear walls wih X-shaped concealed bracing and concealed vertical joint

带X形暗支撑设暗竖缝剪力墙抗震性能试验研究

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Use concealed joint fasteners to align and secure adjoining units.

使用暗缝紧固件将相邻组合件对准并固定。

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The brazier being concealed, the only light in the room was now furnished by the candle; the smallest bit of crockery on the table or on the chimney-piece cast a large shadow.

火炉被遮住了，屋子里只有那支蜡烛的光在照着，桌上或壁炉上的一点点小破烂也都投出高大的黑影。

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Microscopic culture of Y. pestis with concavity slide and the significance of generating filament and spheroplast

鼠疫菌凹孔玻片显微培养及线状体与球状体形成的意义

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The system movement laws, contact force between rolling element and convex, concave sphere in the joint, friction torque and system actuating torque were obtained.

得到了系统运动规律，接头内滚动体与阴、阳球体间的接触力、摩擦力矩和系统作动力矩。

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According to the unevenness of concave welding joint, it studies dynamic performance of high speed trains running on the slab track.

针对焊接凹接头不平顺，研究高速列车通过板式轨道时的动力学性能。

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Experiments on springback in concave and convex edge flanging are carried out. Method of the mixed-level orthogonal test design is used to select the training sets from experiment data, and a radial basis function ( RBF) neural network model for springback is developed.

对薄板内凹、外凸翻边进行了回弹试验，借助混合水平的正交试验设计方法从试验数据中选择训练样本，建立了回弹的径向基函数神经网络模型。

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After investigating the concave exit edge of slurry pump impeller, the paper points out the possibility to improve the flow passage wear of slurry pumps in the hydrodynamics point of view.

通过对渣浆泵转轮的凹形叶片出口边的研究，从流体动力学的角度指出了改善渣浆泵过流部件磨损情况的可能性；

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On the basis of a constructed edge map, instantaneous position information of Snakes was attained with the statistical method, while the information contributes to the solution to problems of difficulty in converging at concave edge and controlling the convergence condition and the problem of the step oneness.

构造图像边界信息图，用统计学方法获得Snakes的即时位置信息，解决传统模型的难于收敛到凹型边界、收敛条件不易控制以及移动步长的单一等问题。

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This paper emphases on experimental investigations on springback in typical forming operations such as convex edge flanging, concave edge flanging, "U" shape component forming, and "V" shape component forming.

本文重点开展了凸弧翻边、凹弧翻边、V型件冲压、U型件冲压等典型冲压工序的回弹试验研究。

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Aiming at the limitations that classic Snake cannot converge to concave edge and convergence speed is slowly, a moving target tracking method based on frame-to-frame difference and GVF snake is proposed.

针对Snake不能收敛于凹形边缘和收敛速度慢的缺点，结合帧间差分和梯度矢量流主动轮廓模型（GVF Snake），提出了一种运动目标跟踪方法。

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An adhesive dike slot ( 31) is formed around the joint concave bottom, thus preventing the main body and the neck back side from dirtiness caused by excessive adhesive overflow.

粘合剂堤槽（31）形成在接合凹底部的周边，以防止用粘合剂连接时过量粘合剂溢出弄脏主体及琴颈的背面。

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On seismic profile cross-cut the channel, it generally presents as a lenticle with flat top and concave bottom and has the character of infilling in reflection.

河道砂岩体在横切河道的地震剖面上一般表现为充填反射状的顶平底凹的单透镜体；

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The abrasive particles move faster toward the center in the case of larger ultrasonic amplitude or bigger abrasive particles, resulting in concave bottom shape of micro hole.

振幅越大或者磨粒粒径越大，磨粒向中心聚集的速度越快，导致微孔底面出现凹陷状。

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The deuterogenous different compact effects can make the lenticle become such with a raised top and a concave bottom which is just like an eyeball.

后期的差异压实作用可使一些河道呈下凹上凸的眼球状反射结构。

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The Finite Element Analysis and Optimum Design of a Moving Central Tray in Railway Vehicle with a Concave Bottom

凹底平车移动心盘有限元分析及其优化设计

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