1974年12月13日～20日在国家标准计量局主持下,在广州召开了“复现13.81～90.188K 范围1968年国际实用温标”的国家鉴定会。这个研究课题是属于国家基本计量单位的基准,由中国计量科学研究院温度室负责研究建立并提交国家鉴定。参加会议的有来自全国各工厂、科研单位、大专院校和计量部门的代表,与会代表经过热烈充分的讨论一致认为:中国计量科学研究院温度室的同志们在毛主席革命路线指引下,在批林整风和批林 December 13, 1974 to 20 under the auspices of the National Bureau of Standards and Metrology, held in Guangzhou, “reproduce the 13.81 ~ 90.188K range of 1968 international practical temperature scale” national appraisal. This research topic belongs to the basic unit of measurement of the country, and is researched and established by the temperature chamber of China Institute of Metrology and submitted to the national appraisal. Attending the meeting were representatives from factories, research institutes, universities and measurement departments throughout the country. After a warm and full discussion, the participants all agreed that comrades in the Temperature Chamber of the Chinese Academy of Metrology under the guidance of Chairman Mao’s revolutionary line, Rectification of Lin and Lin approved