1. Network Security Based on Router Dynamic Authentication
   -----------------------------------------------------------------------------------Li Wei(1)
2. Revision of Stepwise Regression
   ---------------------------------------------------------------Liu Lufang, Feng Boqin(5)
3. Error of Reflectivity Modification for Dynamic Light Decomposition Colorimeter
   -------------------------------Zhang Sanbao, Wang Zhifeng, Lu Jingchao, et al(8)
4. Identification Algorithm with Bounded Influence for Linear Models
   ----------------------------------------------------------------Hu Feng, Sun Guoji(11)
5. Laser Scanning Triangulation for Large Profile Measurement
   -------------------------------------Yang Yaoquan, Shi Ren, Yu Xining, et al(15)
6. Automatic Differentiation Technique for Data Fitting
   ------------------------------Cheng Binjie, Wang Liping, Shou Zhibiao, et al(19)
7. On the Implementation Methods of Security Management of Distributed Database Application System
   ------------------------------Zhang Zhenyang, Gu Xuechun, Zhang Manping(23)
8. Simulation of Moving£¯Stationary Blade Interaction for Unsteady Flow Using Sliding Interface Technique
   ---------------------------------------Dang Zheng, Xi Guang, Wang Shangjin(28)
9. Reliability Assessment of Solid Rocket Engine Based on Converted Information
   ---------------------------------------------------------------------------Xiao Gang(33)
10. Dynamic Characteristic of Rotary Vane Compressor
    ----------------------------------------Guo Bei, Li Liansheng, Shu Pengcheng(37)
11. Stress Concentration of Boiler Drum's Downcomer by Finite Element in Three-Dimension
    --------------------------------------Liang Yanming, Shen Yuefen, Mei Qingli(41)
12. Pool Boiling Heat Transfer of Water in a Horizontal Tube Bundle
    --------------------------------Zhu Changxin, Zhang Mingyuan, Chen Xuejun(46)
13. Deferred Correction Approach for Mass Weighted Upwind Scheme in Control Volume Finite Element Method
    --------------------------------------------------------Wang Xu, Gu Chuangang(50)
14. Theoretical Analysis of Pressure Gradient under Impinging Submerged Round Jets
    ------------------------------------Zhou Dingwei, Ma Chongfang, Ren Yutao(54)
15. Enhanced Condensation Outside Horizontal Coil Tube with VGrooves-Theoretical Investigation
    ---------------------------------Gu Hongfang, Sun Dan, Zhang Yanmou, et al(57)
16. Enhanced Condensation Outside Horizontal Coil Tube with VGrooves-Experimental Investigation
    ---------------------------------Gu Hongfang, Sun Dan£¬Zhang Yanmou,et al(62)
17. Simulation of Vertical Impact Damper System
    --------------------------------Xu Zhiwei, Chen Tianning, Huang Xieqing, et al(66)
18. Optimization of Magnetic Parameters for Grain Structure Refinement of LD10CS Aluminum Alloy Weldment
    ----------------------------------------Yin Xianqing, Luo Jian, Li Haigang, et al(71)
19. Onª²Line Operating Monitoring of Large Rotatory Machine Set
    ----------------------------------------------------------------------------Zhang Xining(75)
20. Three Axes Numerical Control Machining of Tape Mill Cutter with Equal Helical Angle and Controllable Rake  Angle
    ------------------------------------------------Mao Shimin, Nie Gang, Wu Xutang(79)
21. Analysis and Calibration of the Edge Detection with Precision in Layer-by-Layer Profilometry for Three-Dimension Profile Determination
    ------------------------------------Zhou Jian, Yang Yuxiao, Zhao Mingtao, et al(84)
22. Probabilistic Neural Networks Applied to Multi-Step Forecast of Machinery Behavior
    ------------------------------------------------------Xu Guanghua, Qu Liangsheng(89)
23. Ultrasonic Signal Processing Based on Wavelet Ridge
    -----------------------Zhang Guangming, Guan Mingyu, Wang Yuwen, et al(94)
24. Genetic Algorithm for Constrained Optimization of Four Bar Linkage
    ------------------------------------------Zhang E, Huang Ruiming, Ma Zuoxiao(99)
    
    ·Research Notes·
25. Design of a 10-b 20 Msample/s CMOS A/D ConverterHuang
    -----------------------------------------------Lizhong, Chen Guican, Cheng Jun(102)
26. Development of a Phoneline Based Distant Multi-Parameter Transmitting System
    -----------------------------------Chen Yanpu, Du Huijie, Yang Qiang, et al(105)
27. Fuzzyª²AHP Based Algorithm for Optimal Partnerª²Selecting in Agile Manufacturing
    -------------------------------Ma Pengju, Zhu Dongbo, Ding Yucheng, et al(108)