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埋弧自动焊在奥氏体不锈钢管道焊接中的应用要点 被引量:1
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作者 肖新 唐元生 展茂伟 《安装》 2012年第1期45-48,共4页
采用工厂化加工、自动化焊接进行高压管道的预制,是体现施工单位管道预制能力、提高高压管道施工效率和降低高压管道施工成本的一个重要举措。我公司在石家庄炼化260万吨/年柴油加氢工程施工中采用管道埋弧自动焊预制奥氏体不锈钢高压管... 采用工厂化加工、自动化焊接进行高压管道的预制,是体现施工单位管道预制能力、提高高压管道施工效率和降低高压管道施工成本的一个重要举措。我公司在石家庄炼化260万吨/年柴油加氢工程施工中采用管道埋弧自动焊预制奥氏体不锈钢高压管道,在其施工质量、进度、成本等方面都取得了良好的效果。本文主要介绍不锈钢埋弧自动焊工艺及应用注意事项。 展开更多
关键词 管道悬臂 自动焊机 不锈钢特点 埋弧焊接
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Surgical Resection of Sternal Tumors and Reconstruction with Titanium Mesh 被引量:1
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作者 Hong-sheng Liu Ying-zhi Qin Shan-qing Li Li Li Yu-shang Cui Zhi-yong Zhang 《Chinese Medical Sciences Journal》 CAS CSCD 2011年第4期237-240,共4页
Objective To evaluate the use of titanium mesh reconstruction after sternal tumor resection. Methods From January 2007 to January 2011, 14 patients with sternal tumors were admitted into Peking Union Medical Hospital.... Objective To evaluate the use of titanium mesh reconstruction after sternal tumor resection. Methods From January 2007 to January 2011, 14 patients with sternal tumors were admitted into Peking Union Medical Hospital. The clinical characteristics, surgical resection, and technique of reconstruction were reviewed. Results Of the 14 patients, 3 had a metastatic sternal tumor, the primary sites of which were as follows: hepatic carcinoma in one case (metastasis 19 years after operation), breast carcinoma in another case (metastasis 5 years after operation), and renal carcinoma in the other case (found simultaneously). Two patients showed local involvement of the sternum: 1 had thymic carcinoma, and the other had myofibrosarcoma. The remaining 9 patients had primary tumors: 4 were osteochondroma, 3 chondrosarcoma, 1 eosinophilic granuloma, 1 non-Hodgekin's lymphoma. En bloc resection of the sternal tumor was performed in all the 14 patients. The defect was repaired with the titanium mesh adjusted to the shape of the defect and fixed with the stainless steel wire. Eleven patients were followed up for a period from 2 months to 4 years, during which no translocation or broken of the titanium mesh was observed. Conclusions Radical en bloc excision remains the treatment of choice for sternal tumors. Sternum defect reconstruction using titanium mesh as a rigid replacement proves appropriate and effective. 展开更多
关键词 sternal tumor en bloc resection sternal reconstruction rigid prosthetic replacement titanium mesh
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