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一、绪言供光学高温计校准和光学高温计标准钨带灯分度时作为标准用的一等标准钨带灯,每年须经计量研究所分度一次。这次对计量研究所及其分所校准用的8只一等标准钨带灯(4只真空、4只充气)的过去三年分度
I. INTRODUCTION For optical pyrometer calibration and optical pyrometer standard tungsten lamp indexing standard first-class tungsten lamp used by the Institute of Metrology indexing once each year. In the past three years, the indexing of eight first-class standard tungsten lamps (four vacuums and four inflators) for the calibration of the Institute of Metrology and its branch offices