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Reference Material(ZT)

  Julie ·  2008-10-23 04:58  ·  70939 次点击
Amaterialorsubstanceoneormoreofwhosepropertyvaluesaresufficientlyhomogeneousandwellestablishedtobeusedforthecalibrationofanapparatus,theassessmentofameasurementmethod,orforassigningvaluestomaterials.
btw,propertyhereithinkisthespecialqualityorcharacteristicofasubstance.Butnotquitesureaboutpropertyvalues.
考试, reference, material

13 条回复

GREENS  2009-04-01 09:25
OH MY GOD!I can't understand!you are so excellent!
Julie  2009-03-12 17:56
**Calibration certificate: **
Result(s) of a calibration can be registered in a document sometimes called a calibration certificate or a calibration report.
Julie  2009-03-12 17:55
**Accuracy of measurement: **
Closeness of the agreement between the result of a measurement and a true value of the measurand.
rats  2008-11-21 15:50
简单的介绍？？？
Julie  2008-11-21 05:11
Accuracy of a measuring instrument

The ability of a measuring instrument to give responses close to a true value.
Julie  2008-11-11 17:50
Accuracy class

Class of measuring instruments that meet certain metrological requirements intended to keep errors within specified limits.
Julie  2008-11-07 19:49
Laboratory with 3rd party approval of the laboratory’s technical competence, the quality assurance system it uses, and its impartiality.
Julie  2008-10-29 15:39
The unbroken chain of comparisons is defined under Traceability.
Julie  2008-10-28 01:36
Property of the result of a measurement or the value of a standard whereby it can be related to stated references, usually national or international standards, through an unbroken chain of comparisons all having stated uncertainties.
Julie  2008-10-26 18:23
Technical procedure consisting of the determination of one or more characteristics of a given product, process or service, in accordance with a specified procedure.

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