Chin. Phys. B
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Chin. Phys. B  2008, Vol. 17 Issue (3): 865-877    DOI: 10.1088/1674-1056/17/3/023
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Approximate entropy---a new statistic to quantify arc and welding process stability in short-circuiting gas metal arc welding
Cao Biao, Xiang Yuan-Peng, Lü Xiao-Qing, Zeng Min, Huang Shi-Sheng
College of Mechanical Engineering, South China University of Technology, Guangzhou 510641, China

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