The Institute of Chemistry of the Chinese Academy of Sciences released an obituary on February 21: Zhu Qihe, a member of the Communist Party of China, an academician of the Chinese Academy of Sciences, a famous Chinese physical chemist, and a researcher at the Institute of Chemistry of the Chinese Academy of Sciences, died in Beijing on February 20 at the age of 100 due to ineffective medical treatment. The obituary said that in accordance with Academician Zhu Qihe's last wishes and the opinions of his family, the body was donated, the funeral was simple, and no farewell ceremony was held. 
Source: Institute of Chemistry, Chinese Academy of Sciences.
According to the information of academicians on the official website of the Chinese Academy of Sciences, Academician Zhu Qihe is mainly engaged in the study of molecular reaction kinetics. He was born in Beijing on July 12, 1924. In 1947, he graduated from the Department of Chemical Engineering of ** University. He received his Ph.D. in chemistry from the University of California, Berkeley in 1951. In 1995, he was elected as an academician of the Chinese Academy of Sciences. According to the official website of the Institute of Chemistry of the Chinese Academy of Sciences, after returning to China in the spring of 1951, Academician Zhu Qihe taught at Yenching University and the Department of Chemistry of Peking University. In the winter of 1952, he was transferred to the Harbin Military Engineering Institute, where he taught physics for a long time, and participated in nuclear reactor design and a number of laser application projects. In 1978, he was transferred to the Institute of High Energy Physics, Chinese Academy of Sciences, where he was responsible for scientific research projects such as superconducting magnets, superconducting microwave cavities and laser acceleration. In 1981, he was transferred to the Institute of Chemistry of the Chinese Academy of Sciences, responsible for the establishment of the Molecular Reaction Kinetics Laboratory. Academician Zhu QiheIt has successfully developed 6 large-scale experimental devices with international standards using molecular beams and lasers, and won the first prize and the second prize of the Science and Technology Progress Award of the Chinese Academy of SciencesIn the study of molecular photolysis, the photolysis laws of iodoalkanes, haloalkenes and ketones are obtained, and the microscopic reaction mechanism is proposed. In the study of clusters, a new class of hydrogen-containing carbon clusters was discovered for the first time, and a cylindrical structure was proposed, and a series of binary clusters of metal and sulfur were also discovered, and their composition, stability, photolysis law and cluster formation kinetics were obtained. Academician Zhu Qihe used time-of-flight mass spectrometry and photoelectron spectroscopy to study the multiphoton ionization and dissociation kinetics of molecules. Using time-resolved infrared emission spectroscopy to study the vibrational energy transfer in free radical reactions and molecular collisions. The newly built femtosecond laser system is also used to study the vibrational relaxation of molecules in the excited state of electrons. 
Data map. Source: @光明**Zhu Qihe is rigorous in his studies, has a correct style of study, is conscientious and responsible for his work, meticulous, strict with himself, and is sincere, enthusiastic and generous to others. At that time, the laboratory often worked overtime, doing experiments day and night, installing and debugging new instruments. Some experiments, such as experiments with laser photolysis translational kinetic energy spectrometer, need to accumulate tens to millions of times of dataSome experiments take several days to complete. Zhu Qihe always arrives early and returns late, follows the shift all night, and arranges his work carefully and meticulously. An experiment was successful, and Zhu Qihe excitedly shared with everyone "the happiness that only researchers can experience". Once there is a problem in the experiment, even if it is accidentally artificial, as the leader, he will not severely criticize, but patiently find out the problem, solve the problem, sum up the experience, and learn lessons. As a teacher, Zhu Qihe attaches great importance to the education of students' learning styleStudents are required to be able to use both their brains and their hands. Each of his students has to experience the exercise of familiarizing themselves with and using the experimental equipment, and then being able to disassemble and improve the experimental equipmentEvery student should learn to be able to do experiments independently, learn to organize and analyze experimental data, and encourage and value students' new ideas and new insights. According to the official website of the Education Development Association of Harbin Engineering UniversityAcademician Zhu Qihe has always been enthusiastic about helping students and the poor, although he lives a simple life, he has never been stingy with money in helping students and the poor. He has always paid attention to the cultivation of talents, concerned about the life and study of young students, and he firmly believes that "human resources are the first resource, and the talent strategy is the first strategy." He believes that helping students in poverty and helping students in poverty is to reserve strength for promoting economic, scientific, technological, and cultural development in the future. From February 22nd to 24th, the Institute of Chemistry of the Chinese Academy of Sciences set up a memorial hall for academician Zhu Qihe to pay tribute to all walks of life. **: China News Service, China News Network, Institute of Chemistry, Chinese Academy of Sciences, China Science News, Harbin Engineering University Education Development Association, etc
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