discussion on ultrasonic inspection of butt welds in small diameter tube

1、

the use of backing rings for butt welds is prohibited.

禁止在对接焊缝上使用垫环；

provided by jukuu

2、

the whole procedures are expounded of supersonic detection of butt-joined seams in quality assessment done by microcomputer, and a autolisp program is made.

阐述了用微机进行对接焊缝超声波探伤质量评定的全过程，编制了AUTOLISP程序。

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3、

for wfp connection, the flange plate was welded to beam flange by fillet welds, and welded to column flange by butt welds, while the beam flange was free to column flange.

焊接翼缘板式加强连接（WFP）是一种钢结构改进型刚性连接，加强板与梁的翼缘采用角焊缝连接，柱翼缘采用对接焊缝连接，梁翼缘不直接与柱翼缘连接。

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4、

microstructure and phase structure of weld seam of a new type of za alloy for mould material, which was processed by tig welding, were investigated by optical microscopy and transmission electron microscopy ( tem).

用光学显微镜、扫描电镜、透射电镜等分析手段，对新型模具ZA合金TIG焊对接焊缝的显微组织及相结构进行了研究分析。

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5、

the drawing up and main content of the standard gb 17925-1999 standard practice for x ray real time examination of cylinder weld are described.

概述GB17925-1999《气瓶对接焊缝X射线实时成象检测》标准的编制情况和主要内容。

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6、

coarse widmanstatten structure does not appear in the weld microstructure of microscopic observation.

观察焊缝的微观金相组织发现，冷、热丝TIG对接焊缝中未出现粗大魏氏组织。

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7、

feasibility test of using~ ( 60) co source instead of~ ( 192) ir source for examining butt welds

对接焊缝检验中~（60）Co源替代~（192）Ir源的可行性试验

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8、

shield of scattered ray to x-ray transmission in butt welded seam of pipes

管道对接焊缝X射线透照时散射线的屏蔽

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9、

inspection of circumferential weld of small tube by x-ray line scan detectors

线阵列X射线探测器检测小口径钢管对接焊缝

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10、

discussion on rt technology of butt welds in small diameter pipes

小口径管道对接焊缝X射线检验技术

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11、

introduction of standard practice for x-ray real-time examination of cylinder weld

《气瓶对接焊缝X射线实时成象检测》标准概述

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12、

experimental study on accurately judging quality of butt weld by normal probe

直探头准确判断对接焊缝质量的试验研究

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13、

determination of process parameters for x-ray radiographic examination of butt weld of small bore pipes

小口径管对接焊缝X射线透照工艺参数的确定

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14、

give up the throne the kingdom, for some nobody?

为一个，就为一个无名小卒，放弃你的王位，放弃王国？

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15、

heat effect of solid laser

固体激光器效应

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16、

there was a pinging noise, and the statue beside them lost an ear.

“嘭~~！”的一声，他们身旁的雕像少了一个耳朵。

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17、

analysis on explosion of combustible gases in underground fire zone

矿井火区可燃气体爆炸分析

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18、

numerical analysis of impact factors on leakage and diffusion of combustible gas

可燃气体泄漏扩散影响因素的数值分析

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19、

the progress of the researches on the explosion of the fuel gas

可燃气体爆炸发生过程研究进展

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20、

selection of setting inflammable gas alarm and its operation maintenance

可燃气体报警器的选点安装与使用维护

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