查询词典 tubular

steel pipes at trial production, which were confirmed meeting the GB/T 9711.2 standard by the China National Quality Supervision, Testing and Inspection Center of Oil Tubular Goods.

产品X80 φ1219×27.5直缝埋弧焊管，经国家石油管材质量监督检验中心检验，确认符合GB/T 9711.2-1999《石油天然气输送钢管交货技术条件第2部分：B级钢管》及TSG D7002-2006《压力管道元件型式实验规则》的要求。

Myself design am JZ-I alignment machine, this alignment machine available the distortion which creates in the alignment monomer prop cylinder and the plunger semifinished materials heat treatment, also available comes the alignment similar pole class tubular goods components.

本人设计的是JZ-I型校直机，该校直机可用于校直单体支柱的油缸与活柱坯料热处理造成的变形，亦可用来校直类似的膏管类零件。

Myself design am JZ-I alignment machine, this alignment machine available the distortion which creates in the alignment monomer prop cylinder and the plunger semifinished materials heat treatment, also available comes the alignment similar pole class tubular goods components.

本人设计的是JZ-I型校直机，该校直机可用于校直单体支柱的油缸与活柱坯料热处理造成的变形，亦可用来校直类似的杆类管类零件。

Taking Rong hu bridge project as the background, the paper Studies on the optimization of dead load cable tension, construct system of controlling, effect of non-linear factor, limit bearing capacity of structure and spatial stress of concrete-filled steel tubular tower and the combination of girder, which are based on the hybrid cable-stayed bridge.Asking for the maximal deformation of tower and girder to be minimized and cable permissible stress as constraint conditions, the paper tries to solve the ideal dead load cable tension by combining finite element calculation and optimize analysis.

本文以蓉湖大桥工程为背景，就混合梁斜拉桥的成桥恒载索力优化、施工监控体系、过程非线性因素影响、结构极限承载力、索塔和主梁结合部的空间应力分析等问题开展研究：关于索力的优化，是以斜拉桥索塔和梁的最大变位最小为目标，以拉索容许应力为约束条件，采用有限元计算与优化分析相结合的方法来确定斜拉桥的成桥合理恒载索力。

Between the guide element (15) and the inner wall of the suction pipe (13) there remains a space for transit of the tubular article.

在导向构件(15)与抽吸导管(13)的内壁之间，遗留下一个供管状物品通过的间隙。

High security pagoda lock, switch lock, tubular key lock, notebook and PC security cable lock, bicycle and motorcycle lock, furniture lock, vending and gaming machine lock, cabinet lock, valve lock, steering wheel lock, pad lock, various high security lock cylinder.

7D09 高安全性宝塔锁，电源开关锁，管状锁，电脑安全防盗锁，自行车、摩托车防盗锁，家具用锁，自动贩卖机用锁，机箱、机柜用锁，门阀用锁，汽车方向盘锁，挂锁及各式安全防盗锁芯，各类五金配件、压铸件、冲件、车件以及各类高质量钥匙。

In this paper,the flexural capacity and complex bearing capacity of T shape square steel tubular joint were study with finite element.

运用有限元对非直角T型方钢管节点的受弯及复合承载力进行了研究，对比分析了直角T型节点与非直角T型节点破坏形式，总结出了非直角T型方钢管节点的破坏规律，对工程实践有一定的指导意义。

The joint of Concrete-filled Square Steel Tubular Column and H-shaped steel beam is the key point in the construction framework as the connecting point and the power transmission link.

方钢管混凝土柱与H钢梁的连接节点是框架结构体系中的一个关键部位，起到连接和传力的作用。

Based on the research of steel housing industry, a new outer-shell joint connecting cold-formed square tubular column and H-shaped steel beam with bolts is designed.

结合钢结构住宅产业化的研究，设计了冷弯方钢管与H型钢梁的螺栓连接外套管式节点。

Model of series spring truss elements is put forward according to square tubular joint's local stiffness in the paper, which meets the designing requirements and is testified by numerical examples.

方管节点的局部平动位移和局部平动刚度的分析。

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。