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《Acta Metrologica Sinica》 2007-03
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Comments on International Key Comparisons of 0-5kN-10kN Force

ZHANG Zhi-min(National Institute of Metrology,Beijing 100013,China)  
Since 1999 CCM force key comparisons have been carried out in four different force ranges,which are(0-5?kN-10?kN)(CCM.F-K1),(0-50?kN-100?kN)(CCM.F-K2),0-500?kN-1000?kN(CCM.F-K3) and 0-2?MN-4?MN(CCM.F-K4) in order to keep the agreement of force in the countries of the world.The National Institute of Metrology(NIM) has participated in CCM force key comparisons of four force ranges.The comparison method and comparison results of 0-5?kN-10?kN(CCM.F-K1) force key comparisons are introduced.It is helpful to improve the research level in force metrology and to organize the force comparisons domestically and internationally in the future.
【CateGory Index】: TB931
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