On July 21, The Paper (www.thepaper.cn) learned from the Office of the School of Resources and Environment of Lanzhou University that Li Jijun, an academician of the Chinese Academy of Sciences and a geographer and geomorphologist, passed away at 2:7 am on July 21 at the age of 87.

  The office staff of the School of Resources and Environment of Lanzhou University said that the time and place of Li Jijun's farewell ceremony have not yet been determined, and the college is holding a meeting on follow-up matters.

  Since July, 4 academicians of the Republic have driven to the west, and in 2020, the Republic has bid farewell to 22 academicians of the two academies.

  In January of this year, Jiang Hongde, a member of the Chinese Academy of Engineering, a well-known expert in turbomachinery and power engineering, Chi Zhiqiang, a member of the Chinese Academy of Engineering and a well-known neuropharmacologist, Fang Shouxian, a member of the Chinese Academy of Sciences and a well-known accelerator physicist, and Li Fanghua, a member of the Chinese Academy of Sciences and a well-known physicist 4 people died.

  In February, Sun Ruyong, a well-known ecologist and academician of the Chinese Academy of Sciences, Duan Zhengcheng, an academician of the Chinese Academy of Engineering and an expert in mechanical manufacturing and automation, Zhou Tonghui, an academician of the Chinese Academy of Sciences and a well-known pharmacist, Sha Qinglin, an academician of the Chinese Academy of Engineering and a famous highway engineering expert, an academician of the Chinese Academy of Engineering, Five famous agricultural engineer Jiang Yiyuan died.

  In March, Ning Jinsheng, an academician of the Chinese Academy of Engineering, a famous geodesy, and educator, Li Daozeng, an academician of the Chinese Academy of Engineering and a professor at the School of Architecture of Tsinghua University, Zhou Jun, an academician of the Chinese Academy of Sciences, a famous plant resources and phytochemist, an academician of the Chinese Academy of Engineering, an orthopedic expert Lu Shibi 4 people died.

  In April, Yu Mingfang, a member of the Chinese Academy of Engineering and the founder of my country's chemical fiber field, passed away.

  In May, Zhang Qianer, an academician of the Chinese Academy of Sciences and a famous chemist, and Wan Weixing, an academician of the Chinese Academy of Sciences and a space physicist, died one after another.

  In June, Chen Zhaoyuan, an academician of the Chinese Academy of Engineering, an expert in civil structural engineering and protection engineering, and Xiao Bilian, an academician of the Chinese Academy of Engineering and an expert in reproductive endocrinology, died.

  In July, Xu Qifeng, an academician of the Chinese Academy of Engineering and a Chinese satellite navigation and positioning expert, Tong Binggang, an academician of the Chinese Academy of Sciences and a professor at the University of the Chinese Academy of Sciences, Zeng Yi, an academician of the Chinese Academy of Sciences and a virologist, and Li Jijun, an academician of the Chinese Academy of Sciences and a geography and geomorphology scientist, died successively.

  Reporter Jiang Ziwen