Making use of the cause and effect diagram to analyse the sources and influences of uncertainty in determination of total hardness in water by EDTA titrimetric method was introduced.
采用直观的因果图，对EDTA滴定法测定水中总硬度的不确定度的来源及其对测量不确定度的影响进行分析。
This paper has described and analyzed the reason of the damaged bearing by means of chemical analysis, the determination of the hardness as well as the metallographic analysis.
本文介绍采用通过化学成分分析、硬度测定及金相组织检测等手段，对轴承损坏原因进行分析的情况。
ASTM D2583 Scope This test method covers the determination of indentation hardness of both reinforced and nonreinforced rigid plastics using a Barcol Impressor, Model No. 934-1 and Model No. 935.
ASTMD2583巴氏硬度测试用巴科尔硬度仪对硬质塑料压痕硬度的标准试验方法简介：ASTM D2583巴氏硬度测试包括了对加强和非加强塑料压痕硬度的测定，使用型号934-1和935的巴科尔硬度仪。
ASTM D2583 Scope This test method covers the determination of indentation hardness of both reinforced and nonreinforced rigid plastics using a Barcol Impressor, Model No. 934-1 and Model No. 935.
ASTMD2583巴氏硬度测试用巴科尔硬度仪对硬质塑料压痕硬度的标准试验方法简介：ASTM D2583巴氏硬度测试包括了对加强和非加强塑料压痕硬度的测定，使用型号934-1和935的巴科尔硬度仪。
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