1Spectrometric Determination and Antioxidant Activity Analysis of Polysaccharides in the Leaves of Cornus ellipticaQING Hongju, WU Xinyu, XIAO QiangWildlife Conservation and Utilization361-3662Establishment of Tissue Culture System for Three Superior Trees of Liquidambar formosanaPEI Yunxia, CAO Jian, WANG Changjiang, HU Xingyi, NI Tianhong, GUAN Lanhua, DU KebingWildlife Conservation and Utilization367-3733GC-MS Analysis and Antioxidant Activities Determination of Volatile Oil from Leaves of Polygonatum zanlanscianense Pamp.SONG Ge, XIA Jiao, XIAO QiangWildlife Conservation and Utilization374-379,3844Chromatographic Characteristic of Quaternized Chitin as a New Stationary Phase for HPLCSHAN Xucai, SHI Jie, HU Xiaowei, CHEN Rui, LEI Fuhou, LI GuoxiangChemistry and Food Science380-3845Study on the Scavenging Kinetics of ABTS+?by Phycocyanins with Different PurityZHOU Guihua, MEI Xing, CHENG ChaoChemistry and Food Science385-390,4066Optimization of Response Surface for Extraction Process and Antioxidant Activity of Selenium-enriched Kidney Bean Leaf ProteinWU Liwen, LONG Lan, YUAN Mingyuan, GUO Yang, LUO Kai, ZHANG QiangChemistry and Food Science391-3997Optimization of Potato Meatball Formula by Plackett-Burman Combined with Box-Behnken Response Surface MethodologyZHENG Mengying, LIU Songqi, DENG Lingli, ZHOU Zhi, CHENG ChaoChemistry and Food Science400-4068Development and Safety Evaluation of Sugar-free Pomace Powder of Longnan OliveYE Wenbin, CAO Yanlong, DONG Dong, WU Meili, NAN Xuyang, ZHANG KaiChemistry and Food Science407-412,4199Survival Analysis of a Two-species Competitive Model with Markov Switching and Impulsive EffectsHE Xiaojie, WANG Qinglong, LIU ZhijunMathematics and Applied Mathematics413-41910An Epidemic Model Affected by Delayed Media CoverageYANG Lijun, BAN Xianghan, WANG WenlongMathematics and Applied Mathematics420-424,45011Modelling and Analysis for an SVLEIT Tuberculosis Model with Multiple Nonlinear TermsLIAO Meng, WANG Xingyu, WANG Lianwen, SHI XinMathematics and Applied Mathematics425-43112A MIC-based Test of Linear Regression Model Coefficients and Variance Change PointSUN Yiwei, ZHAO WenzhiMathematics and Applied Mathematics432-43613Research on Pavement Disease Segmentation Based on Depthwise Over-parameterized Convolutional LayerLIU Yuwen, HUANG Yourui, HAN TaoComputer Science and Technology437-44414Predicting Shield Tunnel Deformation of Undercrossing High-speed Rail Bridge Based on Kalman-BP Coupling ModelLI Jingming, LI Xiaoyu, WANG Qie, MAO Shihua, JIANG HuagenComputer Science and Technology445-45015Design of a Car Based on OpenMV Automatically Tracking and Identifying InstrumentsCHANG Yanming, LIAO Yu, FENG Zhiqiang, LI Ming, GENG JiahaoComputer Science and Technology451-45616Structure Optimization Design and Temperature Uniformity Analysis of Selenium Enriched Green Tea Electromagnetic Strip CoilSANG Pu, CHEN Cheng, WANG Cheng, WANG Shufan, LIAO HonghuaPhysics and Electronic Technology457-46217An Isolated Three-phase Fully Controlled Voltage-regulated Power SupplyHUANG Jing, GAO Shihong, MA Ziwan, CHEN Qian, DONG YuekunPhysics and Electronic Technology463-468,48018Shunt Active Power Filter Design Based on Fundamental Voltage DetectionDAI Can, LI Qin, CHEN Kunyi, ZENG Wei, ZHAO GuojunPhysics and Electronic Technology469-47419Discussion on the Teaching Model of Ideological and Political Education in Chemical Engineering Courses in the Universities for Nationalities ——A Case Study of Chemical TechnologyTAN Haiyan, SHI Xinyu, WU Chengyi, CHENG Xinhua, WANG QiongEmerging Engineering Education475-480