TSINGHUA SCIENCE AND TECHNOLOGY

ª¤ª¤Vol.8, No.6, December 2003ª¤

¡¡

INFORMATION SCIENCE AND TECHNOLOGY

1. Universal Rendering Mechanism Supporting Dualª²Mode Presentation XU Peng, YANG Wenjun, ª¥WANG Kehong 641-650

2. Peerª²Paired Collaboration for Onª²Demand Streaming Applications and an Improved Error Recovery Technique GUO Changjie, SHEN Guobin, ª¥LI Shipeng, et al 651-657

3. Classª²Based Garbage Collection in Objectª²Oriented Programming Environments ZHANG Wusheng, HUANG Qifeng, SHEN Meiming, et al 658-666

4. Nonlinear Timeª²Frequency Distributions of Spectrum Energy Operator in Large Vocabulary Mandarin Speaker Independent Speech Recognition System Fadhil H. T. Alª²dulaimy, ª¥WANG Zuoying 667-671

¡¡

ELECTRICAL ENGINEERINGªª

5. Identification of Transient and Permanent Faults LI Youyi, DONG Xinzhou, ª¥SUN Yuanzhang 672-675

6. Robust ª«Hª«ª­¡Þ Control of Hamiltonian System with Uncertainty XUE Ancheng, MEI Shengwei, ª¥HU Wei, et al 676-680

¡¡

MECHANICAL ENGINEERINGªª

7. PIV Experimental Investigation on the Flow in a Model of Closed Pump Sump ª©MANSAªª ª©Kanteªª, ZHANG Botao£¬ ª¥LI Xiaoming£¬ et al 681-686

8. Unburned Carbon Loss in Fly Ash of CFB Boilers Burning Hard Coal LV Junfu, WANG Qimin£¬LI Yong, et al 687-691

9. Mixed Model for Siltª²Laden Solidª²Liquid Twoª²Phase Flows TANG Xuelin, XU Yu, WU Yulin 692-696

10.Parallel Simulation of 3ª²D Turbulent Flow Through Hydraulic Machinery XU Yu, WU Yulin 697-701

11.Accuracy Analysis and Calibration of Gantry Hybrid Machine Tool TANG Xiaoqiang, LI Tiemin, YIN Wensheng£¬ et al 702-707

¡¡

CIVIL AND HYDRAULIC ENGINEERINGªª

12. Sediment Deposition Pattern and Flow Conditions in the Three Gorges Reservoir£º A Physical Model Study WANG Xingkui, SHAO Xuejun, ª¥LI Danxun 708-712

13. Numerical Simulation of Openª²Channel Flow in 90ª²Degree Combining Junction WU Rong, MAO Zeyu 713-718

14. Flow Simulation of Urban Sewer Networks SHE Yuntong, MAO Zeyu 719-725

15. Determination of Concrete Fracture Parameters from a Threeª²Point Bending Test ZHANG Jun, LIU Qian 726-733

16. Applying Global Positioning System Realª²Time Kinematic Technology to Collection and Analysis of Rowing Information

HAO Tongtu, GUO Jingjun 734-737

¡¡

CHEMICAL ENGINEERINGªª

¡¡

17. Sensor Network Design for Nonlinear Processes LI Bo£¬ CHEN Bingzhen 738-743

18. Vitamin E Processed Using Methylation of Nonª²¦Áª²Tocopherol SUN Dengwen, XIAN Xuefeng 744-748

19. Preparation and Performance of Bipolar Membranes with Liquid ª¥Ionª²Exchange Medium SU Jing, YU Lixin, HAO Jihua 749-751

20. Kinetics of Growth and Nutrient Consumption in the Culture of ª«Trichosanthes kirilowii ª«Hairy Root GUO Zhigang, ZHENG Mingzhi, ª¥LIU Ruizhi 752-755

21. An Analytic Equation of State Based on SAFTª²CP for Binary Nonª²Polar Alkane Mixtures Across the Critical Point