|清大圣科气化炉反骗子.|大型低温储罐焊接技术获成功

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由于天然气由气态变为-162℃液态后，具有无味、无毒、无腐蚀、安全风险小及运输方便等优点，因此用大型低温储罐储存LNG具有 广阔的前景。××清大圣科×清大圣科电焊条×清大圣科电 焊条设备×清大金桥×清大金桥电焊条设备×清大圣科气化炉&time s;www.qhsk.cn×清大圣科科技有限公司××
但由于大型LNG低温储罐9Ni钢的焊接，材质特殊，在焊接过程中出现磁化、淬裂，磁偏吹现象普遍，焊接成 型后焊缝产生裂纹，焊接操作难度大，一直以来影响着施工质量。××清大圣科&ti mes;清大圣科电焊条×清大圣科电焊条设备×清大金桥×清大金桥电 焊条设备×清大圣科气化炉×www.qhsk.cn×清大圣科科技有 限公司××
经过中国石油第二建设公司科研人员历时15个月的技术攻关，“大型LNG(液化天然气)低温储罐用9Ni钢 的焊接技术研发”科研项目于近日顺利通过了兰州石化公司的验收，这标志着中油二建在大型液化天然气低温储罐 制造焊接技术中取得新突破。××清大圣科×清大圣科电焊条&time s;清大圣科电焊条设备×清大金桥×清大金桥电焊条设备×清大圣科气 化炉×www.qhsk.cn×清大圣科科技有限公司×&times ;
为攻克这一技术难题，科研人员针对9Ni钢的焊接难点进行了国产和进口9Ni钢钨极氩弧焊、焊条电弧焊、埋 弧焊和气保焊的焊接工艺研究，总结建立了16万m3 LNG储罐用9Ni钢的焊接施工技术。××清大圣科×清大圣科电焊条 ×清大圣科电焊条设备×清大金桥×清大金桥电焊条设备× 清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司×& times;
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to filial piety from Wushan County, Wushan County, where 38-year-old youngest to earn money to give up the opportunity to work outside the home, is still single. Ho Jo 92-year-old British father to the newspaper, seeking to find the match to help his son.
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many years, there have been what made the book to raise the object, what made a condition of the book: the other side to have patience, filial piety, a long-term stay at home to take care of his father, or not to marry. See Ho, poor,paul smith handbags, blind father He then sent the book to weigh the conditions of any other party have turned away. Failure of a few dear, what made the book Let me tell relatives and friends, to his father, he did not want to get married, preferring to take a lifetime bachelor.
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because he dragged his son: too hard, getting rich is not a problem.
reporters Ranqi Hu