1Preparation of sodium aluminate from the leaching solution of high alumina fly ash by hydrothermal methodYANG Quancheng, DU Zhengyu, ZHANG Kaiyong, SHI Changsheng, XIA Yuqi, SUN He1-82Research on hydraulic fracturing pressure relief technology of hard coal and rock mass in Ningdong mining areaLV Zhaohai, HUANG Haipeng, YANG Haobo, WEI Qiming, YUAN Zhenshan, XIN Guangwei, YUE Xiaojun9-143Research on optical fiber communication control system based on mine electrical equipmentZHANG Quanzhu, GUO Haibing, DENG Yonghong15-214Study on the relationship between microseismic monitoring data and water inflow of working face in Tingnan coal mineYANG Yi, MENG Lu22-295First-principles study on optical properties and electronic structure of doped CeO2LI Xu, SHEN Jiaxin, ZHENG Haoran30-346Research on the first-level standardization construction method of mine ventilation majorMA Chenyang, XU Jingde35-397Research on comprehensive evaluation of reliability of in service propane spherical tanks in petrochemical enterprisesTANG Jialin40-478Analysis of ultimate bearing capacity of purely clay foundation based on random field theoryZHAO Shaofei, HU Xinyu, XING Mingyuan, BAO Junwen48-529Construction technology application of the tunnel form buildings in Oran house construction projectZHANG Qiang53-5710Numerical simulation analysis of the mechanical performance of cable-stayed bridges with crossing pipesFAN Zisheng, PAN Yu58-65,12411Finite element analysis of slope reliability based on LHS samplingCAO Wei, LI Wenjing, YI Haiyang, WANG Yechi, ZHANG Hongfen66-7212Construction technology of super large "Y" curved surface fair faced concrete columnNI Xiuquan, CHEN Dongdong73-8013Analysis of knowledge map of coal mine safety risk identification based on CiteSpaceJIANG Tingting, SHENG Wu81-9014Research on the effect of elevator parking floor on safety evacuation of high-rise buildings under dual channelMA Hui, FAN Huili91-9515Design and implementation of intelligent traffic system based on internet of thingsXU Huafen, YUAN Jiangting, MENG Guangxue96-10016Researchon the promoting path of the safe production legal system from the perspective of the overall security conceptBU Su101-10817Analysis on the talents cultivation mode of emergency science and technology in all disaster emergency eraSI Junhong, WANG Yiqiao109-11318Organization and operation mechanism of "safety lecture hall": a case study of tobacco industryLIU Guoyu, CHEN Zhihui, ZHANG Jinggang, ZHAO Shufeng, GUO Tingting114-11819Research on current situation and development of countermeasares of dual control mechanism construction in local universitiesJIANG Shuping, ZHAO Lianyun, WANG Erqing, CUI Xingkai119-124 