Research on primary crystal graphite and shrinkage void tendency of heat-resisting malleable nodular graphite cast iron古可成, 周瑞, 李永红, 肖林银452-454
Study on inverted power-arc system of wave-controlled CO2 welding with computer simulation杭争翔, 刘桂秋455-458
Structure and properties of CrMo steel annealed in series of temperatures after cool deformation于宏, 田素贵, 耿新, 洪鹤, 刘丹清, 王宏明459-462
Influence of surface treatment on hardness and residual stress as well as contact fatigue properties of 40 Cr steel洪鹤, 孙家仲, 马春艳, 王佳华, 朱荆璞, 孟祥东463-466
Two degree of freedom control with sliding mode for AC PM linear servo system孙宜标, 关新, 郭庆鼎, 戴朝辉, 田志勇471-474
Noise elimination and data compression of pipeline magnetic flux leakage signal based on bi-orthogonal spline wavelet杨理践, 冯海英479-482