1Isolation and Study of a New Strain of Cellulose Degrading Bacterium1-2,392Preparation of a New Flocculant:Poly-ferric Aluminum Sulfate Silicate3-4,303QSAR Studies on Acute Toxicities of Substituted Aromatics to Organisms5-6,214Thermodynamic Analysis of Reaction in Simultaneous Desulfrization and Denitrification of Flue Gas Using Urea Solution7-8,125Bacterial Plasmid Extraction Methods for Several Bacteria9-126Ultrasonic Degradation of Methyl Orange Solution Using TeO2-Doping TiO2 as Catalyst13-14,537Emulation of Flue Gas Desulfurization and Dedust Using Matlab15-16,198Studies on Synthesis of Poly-ferric Silicate Sulfate17-199Treatment of Wet Dedusting Wastewater by Coagulation20-2110Catalytic Oxidation of O-dichlorobenzene Using Transition Metal Oxides as Catalysts22-23,4711Research of PCBs Pollution in Tidal Flat Sediments of Yangtze River Estuary24-25,3412Principle of MS/MS and Application of GC/MS/MS to Environmental Analysis26-28,4413Dual Wavelength Spectrophotometry for Determination of Cadmium and Nickel in Water29-3014Information Cycle and Designing an Automatic Water Quality Monitoring Network31-3215Determination of COD by Spectrophotometry33-3416A Decision-making Support System for Hanjiang River Pollution Control Based on MapObjects35-36,5017Integration of Environmental Model Base with Geographical Information System37-3918Preliminary Discussion on Trends of Urban Environmental Planning and Design40-4119Establishment of Environment Management System and Sustainable Development of Medium and Small Industrial Enterprises42-4420Water Pollution in Pearl River Delta:Problems and Control Measures45-47 