1Prediction and Analysis of Water Resources Demand in Tunliu District Based on Quota MethodYANG Li-na, GUO Ya-chao6-92Dynamic Change Analysis of Landscape Pattern in Daqing River BasinSHEN Yan-ke, ZHANG Yang, WANG Zhi-zeng, YANG Yong14-173Influence of Lake Dredging on Ecological Environment and CountermeasuresZHU Qing, HUANG Wei18-214Management for Water Environment Treatment and Water Ecology EPC ProjectsSU Hong-yi, WANG Tian, ZHAO Man-yan, LIU Jun22-255Fishway Design of Longtang Dam Hub Reconstruction Project in Nandu RiverYE Kai-min, WANG Yan-fang33-366Planning of Shigang Pumping Station Water Conservancy Scenic AreaLI Hong-quan, ZHANG Xi-wen, ZHANG Meng, SHANG Zhen-lan37-417Consideration on Strengthening Operation Management of Small Reservoirs and RecommendationsMA Ning50-52,708Wanquan River Basin Design Flood AnalysisGAO Cheng, CHE Min-na57-60,709Hydrological Calculation and Analysis of Water Supply Engineering for Ecological Immigrant Poverty Alleviation and Development in Central Gansu ProvinceCHEN Peng61-6510CFD Analysis of Inlet and Outlet Channel Performance of Huaiyin Pumping StationGUO Zan-zan, REN Yi, CHANG Wei, HU Xue-feng66-7011Bending and Pressure of Hydraulic Concrete in High and Low Temperature Coupled FieldsBIAN Wei, LI Jie78-8212Mechanical Characteristics and Structural Optimization of Steel Reinforced Concrete Service BridgeWANG Fei, XIAO Ning, CHEN Wen-jia83-8613Finite Calculation of a Quadrilateral Segment Abroad Based on ANSYSHAO Xue-hang, ZHAO Jian-li, SUN Xiang-dong93-9614Application of Water Dredging Technology in River Dredging EngineeringZHANG Yang101-10515Application of Construction Technology of Large-span Bolt-sphere Grid StructureZHANG Xi-zhao106-11016Characteristics of Three-dimensional Fluorescent Organic Matters during Advanced Treatment of Drinking WaterZHOU Yun, MA Ting, CHEN Fei, LI Jun115-11917Digital Twin Irrigation District Research and ApplicationZHAO Ji-gang, ZHANG Hui123-128 