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由航天工业部主持的有27个单位的50名代表参加的“10~(-11)帕极高真空技术”鉴定会一九八五年十月廿二日至十月廿四日在兰州举行。十月廿四日,这项科研成果正式通过部级鉴定。一九六九年,我国著名科学家钱学森批准将“极高真空获得技术”作为七机部第五研究院的重点预研项目。一九八○年,这项课题正式列为航天工业部的重大预研课题之一,由兰州物理研究所承担研究工作。经过多年的努力,研制成功了具有三个独立抽气系统的全金属
The “10 ~ (-11) Pole-High Vacuum Technology”, which is chaired by the Aerospace Industry Department and has 50 representatives from 27 units, was held in Lanzhou from October 22 to October 24, . On October 24, this scientific research achievement passed the ministerial level appraisal formally. In 1969, Qian Xuesen, a famous scientist in our country, approved “High Vacuum Technology” as the key pre-research project of the Fifth Research Institute of the Seventh Ministry. In 1980, this project was officially listed as one of the major pre-research projects of the Ministry of Aerospace Industry, and Lanzhou Institute of Physics undertook research work. After many years of hard work, we have successfully developed all-metal with three independent extraction systems