For propofol, fentanyl, Shi Tai bolt joint for painless artificial abortion. 进行丙泊酚、芬太尼、仕泰栓联合进行无痛人流。
The Research for the High and Strong Stud Bolt Joint of Steel Beam and Concrete Wall with Inside Covering up Profiled Bar 钢梁与内埋型钢混凝土墙高强螺栓连接节点的研究
Simplified Stiffness Formula of Bolt Connection Joint in Single-layer Shells of Sun Valley in Expo Axis 世博轴阳光谷单层网壳栓接节点刚度简化计算
Mechanical Behavior Research for High Strength Bolt Connection Joint of Main and Secondary Beam 主次梁承压型高强度螺栓连接节点受力性能研究
The application scale and number of the grid structure with BSJ ( bolt sphere joint) has been the first rank at home and abroad as one of large span structures. 螺栓球节点网架结构作为大跨空间结构型式之一,其应用的范围及数量均居国内外首位。
Secondly, the design of two typical joint of the mega frame, the joint of outrigger to super-column and the long bolt joint of the belt truss, were checked. 介绍了基于性能的节点设计原则,研究了伸臂桁架与巨型柱连接节点、环带桁架螺栓拼接节点两类典型节点。
Sham Tseng roadway cable truss+ bolt joint support technology research pilot 深井巷道锚索桁架+锚杆联合支护技术试验研究
Seismic Behaviour of Three New Connections Used for Eccentrically Braced Steel Frames The Research for the High and Strong Stud Bolt Joint of Steel Beam and Concrete Wall with Inside Covering up Profiled Bar 三种新型梁柱连接节点用于单斜杆偏心支撑结构的抗震性能研究钢梁与内埋型钢混凝土墙高强螺栓连接节点的研究
As the main conjunctive mode of the steel structure, high-strengthened hexangular bolt joint auxiliary has got widely used in production. 高强度大六角螺栓连接副作为钢结构的主要连接方式,在生产中得到了广泛的应用。
And comparisons of them find that pretension element method could be the best way to simulate the real bolt pretension, providing a reliable theoretic and application bases for pretension loading in the analysis of bolt joint by using finite element method. 通过对比发现预紧力单元法能较好的模拟实际预紧力,从而为有限元分析中施加预紧力载荷提供了可靠的理论和应用依据。
Strength analysis of rivet and bolt joint structure in aluminum alloy car body of high-speed train 高速列车铝合金车体中铆钉和螺栓联接结构的强度分析
A Research on the Contact Stiffness and Contact Damping of Bolt Joint 对螺栓结合部接触刚度和接触阻尼识别法的研究
The procedure quality concluding the following content: materials quality control, steel element manufacture quality control, meld quality control, high-strength bolt joint quality control, test assembling quality control, erection quality control, painting work quality control and fire prevention work quality control, etc. 其中工序质量控制涵盖了钢结构原材料控制、构件制作质量控制、焊接质量控制、螺栓连接质量控制、预拼装质量控制、安装质量控制、防腐和防火涂装质量控制等内容。
Bolt Joint for Engine& Apply Technology for Screw Tool 发动机螺栓连接及拧紧工具应用技术
Analysis and Research on Fixed Torque Bolt Joint Function Based on RE 基于反求工程的定扭矩螺栓联接功能分析与研究
It is quite complex and difficult to simulate bolt pretension accurately in the analysis of bolt joint by finite element method. 在螺栓联接的有限元分析中准确模拟螺栓的预紧力是一项复杂而困难的工作。
In this paper, the testing principle of the torque coefficient of steel-structured and high-strengthened hexangular bolt joint auxiliary was introduced, as well as the composition of the testing system and the function of each part. 本文介绍了钢结构高强度大六角螺栓连接副扭矩系数的测试原理,测试系统的组成及各部分作用;
Pretightening force and stress relaxation of FRP construction bolt joint FRP结构螺栓接点的预紧力与应力松弛
The view has been verified by the bolt joint tests for metallic materials ( LY12CZ). 这一观点已由金属材料(LY12CZ)的螺接试验所验证。
3-dimension contact finite element calculation of bolt joint structure demonstrated that the effect of friction on bolt stress can be neglected. 螺纹联接结构三维接触有限元计算证明了摩擦力对螺栓结构的应力状态没有影响;
Compared with bolt joint, riveting has many good characters such as light weight of connection, simple process and low cost, but general riveting made installation damage easily due to composites 'low interlaminar strength and dispatch resistance impact ability. 与螺接相比,铆接具有接头重量轻、工艺简单、成本低等一系列优点,然而由于复合材料层间强度低,抗冲击能力差,普通铆接容易造成安装损伤。
Studies on the optimization of the interference fit of a bolt joint 螺接接头最优干涉配合问题的研究
The improvement in diagram of deformation of bolt joint under axial load 紧联接螺栓受力变形线图的改进
Stress calculations for bolt joint structures by applying FEM 应用有限元技术计算螺栓联接的方法研究
Internal Force Analysis of High Strength Bolt Joint Area of Steel Beams and Concrete Walls Within Steel Profiled Bar 钢梁与钢骨混凝土墙高强螺栓节点域内力分析
The pretightening force of FRP construction bolt joint has been researched in the theory of bolt washer stress. 应用螺栓-垫圈应力理论对FRP结构搭接点预紧力进行了研究。
Processing equipment development of spherical bolt joint for spacial net frame 空间网架螺栓节点球的加工设备研制
So as to breach the box form structure of tradition steeliness bogie frame, it uses the cast aluminum alloy and Aluminum profile to replace steels and adopt the method of bolt joint to assemble the whole structure. 突破传统钢制构架箱形结构形式,采用铸造铝合金和铝型材对构架各梁体分别成型,然后通过螺栓进行连接。
The joint of aviation aerospace structure is where the bolt joint invalidation easy happens, to prevent from disasters and losses incurred by structural damage, it is necessary to monitor structure effectively. 航空航天结构的连接处是容易发生螺钉连接失效的部位,为了防止结构损伤所带来的灾难或损失,必须对结构进行有效的监测。
This thesis emphasizes on contact analysis of bolt joint between FRP to metal materials in uniform bending load. 本文着重分析复合材料与金属连螺栓接结构在均布弯曲载荷下的接触分析。