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李鹤林，1961年毕业于西安交通大学金属材料及热处理专业，现任中国石油天然气集团公司石油管材研究所所长，中国工程院院士。他在工程科技方面的主要成就有：——在提高石油机械产品质量和寿命的科技攻关中，提出厂‘以失效判据为依据，结构强度和材料强度相结合”的学术观点
Li Helin, graduated from Xi’an Jiaotong University in 1961 with a major in metal materials and heat treatment, is currently the director of CNPC Pipeline Research Institute and an academician of the Chinese Academy of Engineering. His major achievements in engineering and science and technology include: - In the scientific and technological tackling of improving the quality and life expectancy of petroleum machinery products, the author put forward the academic viewpoint that “the combination of structural strength and material strength should be based on failure criteria”