v9n2

The stock trend prediction based on GA-PSO-ELM	1-11
*Yingjie Wang, Le Li and Yuqian Liu*
Study on the Seeds of Magnolia sibiricum Treated by Natural Thermostratification	12-17
*Jinbao Liu*
Modeling and Prediction on Octane Number Loss in Marine Fuel Production	18-24
*Weiming Yang, Fen Liu*
The algorithm for mining association rules in big data	25-30
*Bo He, Jiru Zhang*
Warning Sign with Air Purification	31-35
*Xiaoyu Wang, Qiu Guo, Bowen Cui, Yuchen Liu*
Overview of JACK Virtual Simulation Technology	36-44
*Zhen Huang, Xiaoyan Liu*
Research on Steganography Technology and Principles of Steganalysis Based on Digital Graphics	45-50
*Lei Shi*
Design of E-Commerce Marketing Equipment Based On Cleanability	51-54
*Xiao Guo, Dan Meng, Cunlong Lu, Shuang Tong, Chao Li, Yingbo Ma*
Simulation Research on Shifted Left-Turn Intersection Based on Secondary Signal Control	55-64
*Wentao Wang, Hong Liu*

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