CN104931587B - 一种超超临界发电机组主汽门用镍基合金螺栓超声波横波声速测量方法 - Google Patents
一种超超临界发电机组主汽门用镍基合金螺栓超声波横波声速测量方法 Download PDFInfo
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CN107576730A (zh) * | 2017-08-30 | 2018-01-12 | 西安热工研究院有限公司 | 一种直探头测量工件横波声速的方法 |
CN108872386B (zh) * | 2018-08-27 | 2021-06-29 | 上海同济检测技术有限公司 | 混凝土强度超声波角测法检测的校正方法 |
CN112557513B (zh) * | 2020-12-11 | 2022-11-08 | 国能锅炉压力容器检验有限公司 | 一种新材料螺栓的横波声速测量装置及测量方法 |
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US6293156B1 (en) * | 1999-01-22 | 2001-09-25 | Panametrics, Inc. | Coherent multi-path flow measurement system |
CN101266228B (zh) * | 2008-03-10 | 2010-09-15 | 河北省电力研究院 | 一种材料声速测量方法 |
CN102116763B (zh) * | 2009-12-30 | 2014-11-05 | 中国第一汽车集团公司 | 超声波测声速用于判定球铁铸件本体球化率 |
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Inventor after: Dai Zhen Inventor after: Lu Jianqiang Inventor after: Yan Xiaosheng Inventor after: Lin Baosen Inventor after: Guo Jingzhong Inventor after: Tu Hongying Inventor after: Chen Jian Inventor before: Dai Zhen Inventor before: Liu Changfu |
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Effective date of registration: 20171207 Address after: 102209 Beijing Changping District future technology city north district power new energy technology research 309 building 6 floor 9607 room Applicant after: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION CENTER Address before: 210031 Pudong Road, Pukou District, Jiangsu, No. 10, No. Applicant before: Guodian Science and Technology Research Institute |
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Effective date of registration: 20210630 Address after: 215100 Room 403, building 31, North District 2, Yindong new village, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Dai Zhen Address before: 102209 room 9607, 6th floor, building 309, Guodian new energy technology research, North District, future science and Technology City, Changping District, Beijing Patentee before: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION CENTER |
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