查询词典 welded tuff

Anping Wire Mesh Fence Facty is located in Yuen Kun Asias largest production base of wire mesh, with "Chinese hometown of wire mesh" reputation in Anping County, is a production of the Airpt Fence, wire meshes, fencing wire mesh, welded wire mesh, stainless steel welded wire mesh, Crimped Wire Mesh, stainless steel wire mesh, welded mesh, mesh sheet, perfated metal mesh series products are the main production-iented enterprises.

安平坤源护栏网厂位于亚洲最大的丝网生产基地，拥有&中国丝网之乡&美誉的安平县境内，是以生产机场护栏网和造纸网、烧烤网、护栏网、焊接网片、不锈钢电焊网、轧花网、不锈钢丝网、电焊网、过滤网片、冲孔网等系列产品为主的生产型企业。

Aiming at the ballasted continues welded track and turnout structure on the normal embankment, stability analysis model of continues welded track is established by finite element method to avoid the disadvantages of traditional methods, compile the finite element analysis program and make comprehensive analysis on the lateral deformation and vibrational characteristics caused by temperature force of the continues welded track and turnout str ucture.

本文针对有砟轨道普通路基上无缝线路及无缝道岔轨道结构，运用有限元法，建立了三维无缝线路稳定性分析模型，避免了传统理论假设过多的弊端，基于有限元分析软件，编写了有限元分析程序，对无缝线路和无缝道岔的横向变形和横向振动特性进行了全面研究，主要研究内容有：1。

As showed in Fig.1, the diagrammed stress of short time endurance test forAs showed in Fig.1, the diagrammed stress of short time endurance test for500 hours at 565℃on welded-joint of T91-F12 is 240MPa. Considering the℃on welded-joint of T91-F12 is 240MPa. Considering thedispersity of±20％, stress of check test for 500 hours is 192MPa. The result±20％, stress of check test for 500 hours is 192MPa. The resultof short time endurance test for 500 hours at 565of short time endurance test for 500 hours at 565℃on T91-X20CrMoV121℃on T91-X20CrMoV121welded-joints is showed in Tab.5. The result shows that the short timewelded-joints is showed in Tab.5. The result shows that the short timeendurance stress of weldedendurance stress of welded-joints with two procedures at 565℃for 500 hours-joints with two procedures at 565℃for 500 hoursboth above 192MPa, and meet the requirement.both above 192MPa, and meet the requirement.

依据图1，对T91－F12 焊接接头 565℃温度下的短时持久性能 500 小时考核试验依据图1，对T91－F12 焊接接头 565℃温度下的短时持久性能 500 小时考核试验的图示应力值应为 240MPa，按照持久强度试验数据的±20％的分散度，取 500的图示应力值应为 240MPa，按照持久强度试验数据的±20％的分散度，取 500小时考核试验应力值为 192MPa.T91－X20CrMoV121 焊接接头 565℃、500 小时小时考核试验应力值为 192MPa.T91－X20CrMoV121 焊接接头 565℃、500 小时短时持久考核试验试验结果见表5 ，试验结果表明，两种工艺条件下的焊接接头短时持久考核试验试验结果见表5 ，试验结果表明，两种工艺条件下的焊接接头565℃温度下的短时持久性能，500 小时的持久断裂应力均高于 192MPa，结果符565℃温度下的短时持久性能，500 小时的持久断裂应力均高于 192MPa，结果符合要求。

Research purposes:The paper gives an introduction to the additional force transfer mechanism of welded turnout on ballastless track,presents the calculation model for welded turnout on ballastless track, calculates additional force and deformation of welded turnout on ballastless track by FEM,the result is compared with ballast track.

研究目的：分析无砟轨道基础上无缝道岔的纵向力传递机理，建立无砟无缝道岔计算模型，采用有限单元法计算了无砟无缝道岔受力及变形，并与有砟轨道无缝道岔进行了对比分析，为无砟无缝道岔设计提供参考依据。

The heavy-caliber petroleum pipe line, the air conduit, the seamless steel pipe, the welded pipe, the stainless steel steel pipe (Fang Xing, moment, circle stainless steel pipe and so on), fittings, the cold rolling seamless tube, the box thread seamless steel pipe, the cold draw seamless steel pipe, the corrosion preventing special steel pipe, the compo pipe, the boiler pipe, the bushed bearing and so on conical seamless steel pipe, seamless heterogeneous steel pipe, metal corrugated pipe, industry welded pipe, carbon steel tube and so on, construct the steel pipe, the multiple-unit tube, the compound steel pipe, the wire conduit, the thread steel pipe welded steel pipe, the pot galvanize steel pipe, the electricity galvanization steel pipe, the KBG line drive pipe, the delivery pipe and so on;..

大口径输油管、输气管、无缝钢管、焊管、不锈钢钢管（方型、矩型、圆型不锈钢管等）、锥型无缝钢管、无缝异型钢管、金属波纹管、工业焊接管、碳钢管等配件、冷轧无缝管、内螺纹无缝钢管、冷拔无缝钢管、防腐蚀特种钢管、合金管、锅炉管、轴承管等、建筑钢管、复合管、复合钢管、导线管、螺纹钢管焊接钢管、热镀锌钢管、电镀锌钢管、KBG线路导管、供水管等；。。

Therefore, considering wide-range and importance of the box-sectioned welded beam applied in engineering, the author chooses this structure as one of typical welded structures to study. And with the equalizing bar of a bulldozer as an example, the method of fatigue design or life prediction and interrelated data of the box-sectioned welded beam are achieved through systematic study, and are considered as the basis of the structure fatigue design code or guideline which is expected to apply in machinery industry.

基于焊接箱形梁使用的广泛性和重要性，作者选择此种结构作为典型焊接结构的研究对象，并以推土机平衡梁为例，通过系统研究获得了结构疲劳设计或寿命预测方法及有关数据，作为形成结构动强度设计规范的基础，并由此可进行推广应用。

The fatigue strength of duplex stainless steel welded jointing with longitudinal fillet welded gusset and with longitudinal flat side gusset welded on plate were evaluated by hot spot stress,and the hot spot stress S-N curves were obtained and compared with the nominal stress S-N curves.

针对双相不锈钢焊接结构的疲劳性能问题，通过试验对双相不锈钢纵向角接板焊接接头和侧面角接板焊接接头疲劳强度用热点应力进行了评定，做出了热点应力S N曲线并与名义应力疲劳评定进行了比较。

The research results indicate that the interface between weld and l2Crl MoV steel is the weakest part of welded joint. However ,the interfacial failure tendency of low match welded joint is less than those of medium and high match welded joint.

试验结果表明，焊前预热250℃，焊后回火750℃×1h，加速模拟运行500h后，高匹配和中匹配接头的力学性能劣化明显，界面蠕变损伤及失效倾向较大；而低匹配接头的力学性能优于高匹配和中匹配接头，界面蠕变损伤较轻，失效倾向较小。

This paper studies the effect of consequent post heat treatment on the mechanical property and shape memory ratio of the welded TiNi joints in TiNi shape memory alloy precise pulse resistance butt welding,analyzes the joint structures and fractographies affecting mechanical property and shape memory ratio of welded joint by using strength testing, SEM and TEM, gets the optimum welding parameters obtaining good shape recovery ratio welded joint, and has discovered the inherent reason for proper consequent post heat treatment to promote the joint shape recovery ratio from microcosmic point.

摘 要：采用拉伸测试、SEM、TEM和定点成分能谱分析等手段研究了随机后热处理对TiNi形状记忆合金精密脉冲电阻对焊焊接接头力学性能、形状恢复率的影响，并对影响接头力学性能和形状恢复率的接头组织和形貌进行了研究，得出了获得具有较高形状恢复率接头的焊接参数，从微观角度揭示了随机后热处理提高接头形状恢复率的内在原因，为TiNi形状记忆合金的开发和应用提供了基础，具有重大的理论和实际应用价值。

This topic is aims at some tall and slender pipeline welded joint to carry on the welded joint flaw examination, manages the Daoist priest 5 meters, the welded joint for the straight line seam.

本课题是针对某细长管道焊缝进行焊缝缺陷检测的，管道长5米，焊缝为直线缝。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。