Reference Material(ZT)

  Julie ·  2008-10-23 04:58  ·  83588 次点击
Amaterialorsubstanceoneormoreofwhosepropertyvaluesaresufficientlyhomogeneousandwellestablishedtobeusedforthecalibrationofanapparatus,theassessmentofameasurementmethod,orforassigningvaluestomaterials.
btw,propertyhereithinkisthespecialqualityorcharacteristicofasubstance.Butnotquitesureaboutpropertyvalues.

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kaka007  2008-10-24 19:42
good thank you
Julie  2008-10-24 18:50
Set of operations that establish, under specified conditions, the relationship
between the quantity values with measurement uncertainties provided by measurement standards or certified reference materials and corresponding indications with the associated measurement uncertainties of the measurement instrument, measuring system or reference material under test.
Julie  2008-10-24 02:24
Device intended to be used to make measurements, alone or in
conjunction with one or more supplementary devices.

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