1Designing on hydrolic system of large direct aluminium extrusion press with front-loading short-strokeYANG Hong-juan, ZHANG Jun, XUE Fei-fei, DUAN Li-hua, ZHOU Shao-fan1-72Application of Siemens S120 servo control for pipe sawYOU Xiang, LI Lian-fei, JIANG Fang-fang, WAN Dong-hua8-113Method on reducing power of rectify unit in tension leveler line symmetry driver systemZHAO Liu-yun, LIU Wei-miao, LIAN Bin-zhong12-154Color image encryption algorithm based on Henon mapping permutationWANG Hong-tao, FENG Lian-qiang, WANG Zhi-chao, ZHAO Jing16-205Study and application of multi-coal transportation transfer key technology based on discrete element methodXU Yang-sheng, LI Chun-ting, GE Jun-li, YUAN Xiao-ming21-256Analysis of rolling force on the heavy steel plate snake/gradient temperature rolling with the same roll diametersZHEN Tao, HUANG Jin-bo, WEI Yao-yu, JIANG Lian-yun26-327Study on safe solidification of the billet in continuous casting moldLI Chao, REN Su-bo, HU Zheng-cai, YOU Jia-quan33-388Dynamic simulation of H-beam straightenerZHAO Jing-wei, WU Yi, ZHU Xiao39-43,489Research on control system of large tonnage lifting deviceCHENG Si-xiang, DU Xue-bin, GU Rui-jie, SHAO Guo-dong, ZHANG Jian-jun, WEI Ling-yun, WANG Jian-guo44-4810Dynamic simulation of flexible beams under different motion curvesHU Jun-hong, ZHANG Tian-chi, CHEN Wei, LI Shan-shan49-5211Treatment measures of edge seam defects for hot rolling IF steelHU Xue-wen, WANG Dong-Cheng, GAO Tong, YOU Hui-chao, ZHAO Hu53-56,6012Failure analysis of pay-off reel machine pilot proportional relief valveYANG Shi-yong, ZENG Xiao-ming, YU Chao-chao57-6013Modeling and simulation of digital hydraulic cylinder based on AMEsimWANG Ye-mu, DONG Lei61-6414Structure optimization of aluminum air-hardening systemDAI Ying-nan, ZHANG Da-wei, ZHENG Shou-dong, YU Hai-hong, LIU Jun-ping65-6815Parameter design and strength calculation of face gear for industrial couplingYANG Feng-chan, WU Shi-xiang, LV Zhao-hui, LU Qian-li, LI Mei-jie69-7216Topography optimization of large-scale wind turbine nacelle structureYAO Jia-gui, CHEN Ming, YI Ze-chen73-7817Reformed pinch roll of pneumatic pendulum mechanismLI Ke-qian, LING Hong-ben79-8218Analysis of AC generator unit fault caused by shaft currentGAO Yun-hu83-8719Quality control and practice in the realization of metallurgical equipmentHAO Jin, HAO Le, YAO Yun, WANG Yang88-94