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This paper introduces structure,working principle,force analyzing and advantage of the clamp using in cutting bearing hole of coal car whee3. A system of the ultrasonic elliptical vibration cutting with the single longitudinal animation was developed.

利用这种结构研制了一套单激励超声椭圆振动车削系统，采用PCD刀具对LY12实心件和薄壁筒工件进行了精密切削实验，实验结果表明椭圆振动切削可以大幅度降低切削力，明显改善薄壁工件的形状精度，同时工件还具有较好的表面粗糙度。

The collision-proof equipment designed particularly for plane-nosed trucks consists of front curl buffering plate, longitudinal energy absorbing component, and other parts.

摘 要：为平头汽车设计了碰撞防护装置是由正面弧形缓冲板、纵向吸能器等部件组成。

By measuring the longitudinal dispersivity α〓 of several sandy media with different grain size distribution in different transform distance L through sandy column; the formula of α〓=α〓 is obtained, this provides a method of solving scale-effect in the numerical model and in the practical application.

3通过砂柱试验测定了几种粒径分布不同的砂性介质在不同运移距离处的纵向弥散率，并得到计算不同粒径砂性介质随运移距离变化的纵向弥散率公式，在实际应用和数学模型中可作为解决尺度效应问题的一种方法

A nonlinear full-range analysis of bearing brick masonry longitudinal wall has been carried out in this paper. A combination plane frame composed of RC beams and brick masonry columns is choosed as computational diagram.

对混合结构的承重纵墙进行非线性全过程分析，计算简图是由钢筋混凝土梁和砖砌体柱组成的组合平面框架，采用实际刚度法的杆系模型。

This utility model disclosed a multifunctional medical bed, which includes bedstead, bed board and the ups and downs institutions, bedstead has a four box beams, two fixed and two longeron longeron Events, bed board are four longitudinal medial convex-concave shape of the edge was the cross-cutting board, threeéups and downs, including the board and connected the three screw or hydraulic cylinder, the multi-functional medical bed may also include raised his sick body.

本实用新型公开了一种多功能医用床，它包括床架、床板和起落机构，床架四框内有一根横梁、两根固定纵梁和两根活动纵梁，床板是四块纵向内侧边缘呈凹凸形状相互交叉的板子，起落机构包括三块樘板和与其连接的三个丝杠或者液压油缸，该多功能医用床还可以包括病人抬起机构。

D be provided with one or more raised longitudinal ridges, if a parallel conductor flexible cord.

若是平行的导体软线，就要配上一个或更多纵向的脊线。

Result:Characteristics of the tangentical longitudinal section of stem with resin and surface view of leaves were elucidated.Besides xylem vessels and fibers of the stem,it was found that the red resin also exists in the cortex parenchyma cells of the stem and the medulla and xylem of the root.According to the HPLC fingerprint analysis result of the stems with and without resin,a number of flavones and stilbenoids were detected in the stem in which resin appeared after it wounded.

结果：阐明了含树脂茎的纵切结构以及叶的表面观特征；除了茎木质部导管和纤维中有树脂外，发现剑叶龙血树受到损伤之后在茎皮层薄壁细胞、根的髓部和木质部亦有树脂的分布；含树脂茎和无树脂茎的指纹图谱显示剑叶龙血树茎在形成树脂后的化学成分中出现了较多的黄酮类、茋类成分。

Suitable clutches connect either the rack pinion or the cross-slide screw to provide longitudinal motion of the carriage or transverse motion of cross slide.

合适的离合器或者与小齿轮连接或者与和横拖板的螺杆连接，使拖板纵向移动或使横拖板横向移动。

The methods of plane arrangement and checking of bowl-button steel scaffold were demonstrated in detail based on the engineering construction of cast-in-place Continuous beam in Houyan Cross-bridge of Shenda Highway. In addition, the methods of communicating the length of U-tray and adjusting the gradient have been given. It is pointed out that original pod can adjust the greater longitudinal or tranverse grade in the box-girder construction and welding-steel-bar can reduce partial compression.

通过后盐立交桥连续箱梁施工这一工程实例，详细论述了碗扣式钢管脚支架的平面布置方法及受力验算方法，提出了碗扣式钢管脚支架的U托旋出长度的计算方法及纵横坡的调整方法，并指出采用找零立杆的方法可以解决较大纵横坡度箱梁的施工问题；采用贴焊钢筋的方法可以解决U托偏心受压的间题。

A three degree-of-freedom ultrasonic motor with a cylinder-shaped stator and a spherical rotor is introduced, which uses one first order longitudinal and two second order bending nature vibration modes of the cylinder.

研制了一种一阶纵振和二阶弯振模态组合的圆柱-球体三自由度超声电机。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。