几年来随着我国工业的飞快发展,在环境保护方面急需各种分析仪器。本厂为适应国家急需,厂内工人、干部、科技人员高举“鞍钢宪法”伟大红旗,以阶级斗争为纲,坚持自力更生,艰苦奋斗和两个三结合的精神,在半年时间内,于1975年冬试制成功了“SXI-1型生化需氧量测试仪”。本文试对此仪器做如下概略介绍。 Over the past few years with the rapid development of China’s industry, environmental protection in urgent need of a variety of analytical instruments. The factory in order to meet the urgent needs of the country, factory workers, cadres and scientific and technological personnel hold high the “Great Red Flag of the Ansteel Constitution”, with class struggle as the key link, adhere to the spirit of self-reliance, hard work and the combination of two in three months, in 1975 Winter trial success of the “SXI-1-type biochemical oxygen demand tester.” This paper try to make the following summary of the instrument.