伟大的七十年代第一年,在毛主席的英明领导下,在“九大”精神鼓舞下,全国革命生产形势一派大好,新技术、新工艺、新产品、新材料不断出现。分子筛在空气分离中的应用也有了进一步的发展。遵照伟大领袖毛主席关于“要认真总结经验”的教导,紧跟大好形势,推广先进技术,满足广大读者要求,我们汇编了《深冷简报》副刊(三)——《分子筛在空 In the first year of the great 1970s, under the wise leadership of Chairman Mao and inspired by the spirit of the “9th National Congress of the Communist Party of China,” the revolutionary production situation throughout the country was excellent, and new technologies, new techniques, new products, and new materials continued to emerge. The application of molecular sieves in air separation has also been further developed. In accordance with the instructions of the great leader Chairman Mao on “sincerely summing up experience”, following up the good situation, promoting advanced technology and satisfying readers’ requests, we compiled a supplement to the “Cold Review” (C) - “Molecular Sieves in the Air.”