1Advancements in the application of lead halide perovskite materials in photocatalysisLI Dan1-62Comparison of dyeing method and colorfastness of pomegranate juice and annatto seed dyes on hemp knitted fabrics for children's wearWANG Xu, TIAN Baohua, PENG Dongmei7-113Analysis of technology status and development trend of metal-organic frameworks material based on InnographyLI Jianting12-194A research on preparation and properties of rays protective compositesYUAN Zupei, CHEN Jie, SHEN Jie, RONG Wen, LIANG Dong20-22,435Dynamic analysis of reinforced concrete aqueduct structure in service considering soil anisotropyCHANG Jia, ZHU Yanzhi, JIU Yongzhi23-286Experimental study on physical and mechanical properties of waste concrete recycled aggregateLI Xiaofen, WANG Shuai, YAN Menghui29-327Comparative analysis of two types of passenger car exhaust heat recovery devicesLI Haijun, WANG Chunyan, YANG Fengye, FAN Ya, BAI Junqin, HAN Chuang33-378Design and implementation of online open course credit certification and management system based on.NET platform: A case study of Zhongyuan University of TechnologyYANG Deshi, CAO Jian38-439Research on diagnosis and test for multicollinearity in econometricsLIU Fang, DONG Fenyi44-48,5510A satellite selection algorithm used to improve location precisionDING Shumin, WEI Miaomiao49-5511Research on Visual Question Answering task with enhanced visual featuresQIN Shujing, YANG Guan56-61,7312Research on virtual simulation experiment system of fluid transmission based on virtual reality technologyAN Xiangdong, LI Lei, LIU Fang, YANG Lei, LIU Yangyang62-6613Online knowledge payment——A driving force for knowledge industry upgradingZHENG Shuxin, XU Weiwei, ZHANG Zhongguo67-7314Research on semantic matching of medical questions based on a decomposable attention modelCHEN Yun, LIU Weiguang74-7915Zheng culture in The Book of SongsWU Zhi'en80-83,9016Research on the impact of financial ecological environment on innovation output in Henan province——An the empirical analysis based on geographically weighted regression modelZHOU Lingling84-9017Problems and countermeasures of govenment prucurement in colleges and universitiesLI Xianglu, GAO Guifen, HAN Tao, WU Jingwen, YIN Xiaomin, CHENG Shengli91-94