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一、序言遵照科研工作为无产阶级政治服务、为工农兵服务、与生产劳动相结合的方针,七五年初,在厂党委正确领导下,针对我厂液相分析落后状况,工人师傅提出很多课题,根据上海炼油厂用超声波测油比重的资料介绍,我们决定研制“超声波硝酸浓度计”,代替人工分析(97％-99％)成品酸,以便通过自动分析加强生产工艺控制,平稳操作,降低消耗。我们在鞍钢宪法光辉指引
I. Preamble Following the guideline of scientific research for serving proletarian politics, serving the workers, peasants and soldiers and combining with productive labor, under the correct leadership of the Factory Party Committee in the beginning of July and the beginning of the year, aiming at the backwardness of the liquid phase analysis of our factory, many problems were raised by the worker’s master According to the data of the Shanghai oil refinery using the ultrasonic measurement of oil content, we decided to develop the “ultrasonic nitric acid concentration meter” instead of the manual analysis (97% -99%) of the finished acid so as to strengthen the production process control, smooth operation and reduce by automatic analysis Consumption. We gloriously guide the Angang Steel constitution