1Changes of CH4 Concentrations Obtained by Ground-based Observations at Five Atmospheric Background Stations in ChinaYANG Qian, GUAN Li, TAO Fa, LIANG Miao, SUN Wanqi1-72Pollution Characteristics of Particulate Matters and a Dust Storm Episode in the Spring of TianjinSUN Ren, CHEN Guanyi, DONG Haiyan8-143Distribution Characteristics of Partial Pressure of Carbon Dioxide during Thermal Stratification in Summer in Guangzhao ReservoirCAO Yuping, YUAN Relin, JIAO Shulin, ZHANG Qian, DENG Feiyan15-214Space Distribution Characteristics of Near-surface CO2 Concentration in Summer of UrumqiCAI Yinchao, HAN Wei, GUAN Wenke, FEI Bingqiang, MA Xiaohua, DANG Yaling22-275Function Study of Coniferous Species Leaf Retention of PM2.5 in Winter in Xishan Mountain of BeijingCHEN Bo, LI Shaoning, LU Shaowei, LIU Hailong, ZHAO Dongbo, CHEN Pengfei28-336Application of Biological Iron Sulfide Composites in Protection of Rice Germination in Cadmium Contaminated Paddy FieldYAN Peihan, LI Xudong, XIE Yifei, LAN Shuhuan, YUAN Wei, LIANG Yajie34-387Research of Allelopathic Effect on 4 Forage Grass in the Glycine soja Water ExtractZHANG Weihong, LIU Dalin, SUN Shengnan, WU Ya, CHEN Minghui, YAN Qianjin39-448Effect of Drinking Water Treatment Residuals on the Chlorpyrifos Residues in Paddy SoilFU Guangyi, XU Youze, PEI Yuansheng, QI Yun, ZHAO Yuanyuan45-499Study on Mechanism of Citrate-Ni De-complexation by Electro-oxidation-electrocoagulation ProcessZHAO Ganlin, XU Haiyin, LUO Yuanling, YANG Zhaohui50-5610Degradation of Congo Red by a New Photo-Fenton Catalyst of Fe3O4@GO@TiO2ZHANG Ling, CAI Ying, HUANG Chunmei, CHEN Kangzi, XIAO Kaijun, PU Jun, CHEN Jing57-6211Preparation of Novel Heavy Metal Flocculant MAAPAM Optimized by Response Surface MethodologyGUAN Yingbing, WANG Gang, XU Min, CHANG Qing63-6912Characteristics of Dissolved Organic Matters in Papermaking Wastewater by Electrolysis-Hydrolysis-DMBR ProcessLING Qi, KONG Yingying, WU Changnian, WANG Min, WANG Yanping, YAN Nanxia70-7513Photo-degradation of Sulforhodamine B by Modified Titanium GypsumHU Jiaming, YANG Meng, XIONG Ruyi, LIU Liming, HUANG Yingping, WANG Kan76-8014Metal and Nonmetal Separation by Slurry Electrolysis for Waste Printed Circuit Boards Metal Concentrated ScrapsZHANG Yugai, TAN Qiuxia, ZHANG Sha, CHEN Mengjun81-8515Study on CH4 Release Rule and Influence Factor during Leachate Treatment Process: Taking Waste Incineration Power Plant as an ExampleHUA Jia, LIU Tong, BAI Shuangyou, LI Zhiyang, ZHANG Jiankang86-9116Effects of SRT on Operation Efficiency of Humus Soil-SBR ProcessWEI Chuanyin, WU Min, ZHU Rui92-9617Improving Dewaterability of Dredged River-Sediment by Bioleaching TechnologySHI Mingyan, LIU Hengfu, SHI Yunfeng, WANG Shizheng, ZHU Yueqi, JIAN Guodan97-10218Red Soil for Sediment Capping to Control the Phosphorus Release under Flow ConditionsCHEN Chunmei, LIU Guo, XIA Lei, ZHANG Wen, XU Xiaofang, GU Hao103-10919Preparation of New Porous Cement-based Silicone Rubber Sound Absorption MaterialDENG Qian, WANG Yuan, ZHANG Kai, LI Li, HU Jiangjun110-11420Optimization of Astaxanthin Extraction Technology from Procambarus clarkiiSONG Qingyang, MI Wujuan, WANG Binliang, HUANG Yubo, MA Dawen, BI Yonghong115-119 