1Performance optimization of solar heating system based on concentrated photovoltaic solar thermalWANG Na, ZHANG Heng, CHU Shang-ling, XU Zi-peng, CHEN Hai-ping1-52Comparison of ventilation system for junior middle school underground garage in Lingang J08-02 plotCHEN Yun-xi14-173Research on energy conservation and emission reduction of a building lighting system based on 'double carbon'DING Zhao-yong18-204Analysis on energy-saving transformation of 95+ technology for reforming heating furnaceYIN Jian-chuan, CHEN Sheng-ke21-245Design of clean alternative heat storage system for heavy oil steam injection systemJIANG Xu, SUN Hao-nan, HE Ji-tao25-276Analysis of the economy and carbon emissions of photovoltaic direct drive inverter multi-connection in severe cold areasZHU Lin, YU Wen-tao, ZHANG Xi-ming, QI Yan-yu, CHOU Xue-song, ZHANG Heng39-427Thermodynamic optimization of quantum Carnot thermal engines of extreme relativistic particlesWEI Xuan-yu, YIN Yong, YIN Bo-jin, GONG Yi-han, LONG Ming-ze46-508Numerical simulation and calculation of two-dimensional steady-state thermal conductivity based on Visual BasicZHAO Qiu-yu, XIA Li-mei, YU Hui51-549Thermal performance analysis of an organic Rankine cycle considering flow pressure dropZHANG Hao-yan, WANG Zhi-qi, PI Wen-bo, JU Cheng-yuan55-5810Numerical analysis of the effect of hole area change on orifice disc hydraulic dynamometerLIU Hong-zhao, JIAO Yong-feng, LIU Shuai, WANG Ping68-7111Selection of material and wall thickness of long-distance direct buried heating pipesGUO Bo, ZHOU Xiao-san, LIU Jian-guo, JIN Jiang-hao78-8012Research on influencing factors of inter-provincial carbon emission reduction based on the perspective of factor inputGUO Guang-rui93-9713Design and operation characteristics of NOx emission control of CFB boilers burning high-calcium bituminous coalQIU Bin-bin, DENG Qi-gang, LU Jia-yi, SU Hu, WU Chao-gang, XU Guo-hui98-10014Research on ecological restoration technology of river water quality purification based on submerged plantsYANG Yan-feng101-10315Optimized design of laser power supply system for lightweight multi-rotor UAVCHEN Jian-bin, LI Yong, YANG Hong-hai, LI Kun, HAN Jing-yang, CHEN Yi-xin104-10716Design of island air water intake device based on adsorption methodLI Jun, YUAN Rui, YANG Bo-yu, HU Zhi-jie, CHEN Li-yu, GUI Hui, GUO Qiao-ling108-11017Research on the progress of groundwater pollution characteristic identificationWANG Yi, LI Shu-jie, LI Wen-qiang123-125 