拉伸法测金属丝杨氏模量实验数据及数据处理范例

拉伸法测金属丝杨氏模量实验数据及数据处理范例:单位:mmmmnnniii1.22|)(|41304,mmnnnii2.0||41)(30;d:0.720mm,0.734mm,0.725mm,0.714mm,0.729mm,0.726mm;mmd725.0,mmd003.0,b=78.98mm,mmb02.0D=182.74cm,mmD5.0,L=88.10cm,mmL5.0F=8.94=39.2N,NF1176.08.9003.042112/1075.182mNnbdFLDnSbFLDY(保留3位有效数字)求误差：A类不确定度：)14(4)(302iinnnnS)16(6)(612iiddddS0bDLFSSSSB类不确定度：35.03仪器DLnuuu（mm）砝码nini’inin087.487.787.522.0193.093.193.122.5298.699.098.822.03104.1104.2104.220.04109.4109.6109.55115.5115.6115.66120.7120.8120.87126.2126.3126.23004.03仪器du(mm)NuF1176.0,mmub02.0合成不确定度:22nnnuSU,22FFFuSU,22DDDuSU,22LLLuSU,22bbbuSU,22ddduSU222222)()()2()()()(nUbUdUDULUFUYYEnbdDLFr)/(2mNYEYr(保留3位有效数字)最后的表达式:)/)((2mNYYY(保留3位有效数字)