1.22 硬度测量不确定度(hardness measuring uncertainty) 在硬度测量中，由于各种可能的物理因素、仪器结构和安装、被测件的形状、均匀性、稳定性、表面粗糙度及测量人员等因素的影响，...
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以45#调质钢硬度试验为例，研究了金属材料布氏硬度试验中测量不确定度的评定。
The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel.
文章介绍了布氏硬度试验中测量结果的不确定度评定方法。
Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work.
采用EDTA滴定法测定水质总硬度的测量不确定度评定。
Uncertain degree is evaluated to adopt EDTA titrimetric law to measure total hardness of water quality.
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