ASTM D3025-2007 利用校正棉花标准化棉花纤维试验结果的标准实施规范

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【英文标准名称】:StandardPracticeforStandardizingCottonFiberTestResultsbyUseofCalibrationCottonStandards
【原文标准名称】:利用校正棉花标准化棉花纤维试验结果的标准实施规范
【标准号】:ASTMD3025-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:校正;棉花;工艺;标准化;标准;试验结果;纺织纤维;纺织材料
【英文主题词】:calibrationcotton;cotton
【摘要】:1.1Thispracticecoverstheuseofreferencestandardcottonsforthestandardizationofinstrumentsandtechniquesusedtotestcottonfibersinvariouslaboratories.1.2Standardizationmaybeachievedbyapplicationofacorrectionfactorbasedonthereferencestandards,orbymodificationofthetechniqueinuse.Note1Whenreferencestandardsareusedtodevelopcorrectionfactors,ortoadjustanoperator''stechnique,noinstrumentcalibrationprocessesareinvolved.Theterm"Calibration"isproperlyusedfortheapplicationorassignmentofpermanentscalesormarkstoaninstrument.Adjustmentscanbemadetospecificinstrumentsandaccessoriessuchasorifices,metallicstrips,orcellophanesheets,inordertoobtaintheprescribedvalueswithaspecificinstrument.Sinceanoperator''stechniqueortheinterpretationofamethodorprocedureisinherentlyvariable,itcannotbecalibrated,thatis,assignedapermanent,definitevalue.Theuseofreferencestandards,however,affordsameansforstandardizingtechniquesandcheckingthereliabilityofobservedresults.1.3Thispracticerecognizestwotypesofreferencestandards:(1)calibrationcottonstandards(see)and(2)workingcottonstandards(see).1.4Theinstructionsincludedinthispracticecanbeusedwithcottonfibersinanyformsuitablefortestingwiththeparticularinstrumenttobeused.1.5Theinstructionsinthepracticeareapplicabletocottonfibersbutcanalsobeappliedtospecificblendsofcottonandotherfibers,ortootherfibersthatcanbetestedwiththeinstrumentsdesignedfortestingcottonfibers.Noinformationisavailable,however,toshowthattestproceduresstandardizedwithreferencecottonsamplesareequallyreliablewithvariouscottonfiberblendsorwithotherfibers.Note2Standardizationprocedurescoveredinthispracticearerecommendedforusewiththefollowing:TestMethodsD1440,D1445,D1447,andD1448.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W10
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】:


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Product Code:SAE AMS5336
Title:Steel, Investment Castings, 0.95Cr - 0.20Mo (0.25 - 0.35C) (SAE 4130 Mod) Normalized or Normalized and Tempered
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a low-alloy steel in the form of investment castings.These castings have been used typically for small structural parts of intricate design requiring heat treatment to minimum tensile strengths up to 150 ksi (1034 MPa), but usage is not limited to such applications.【英文标准名称】:Rubber,acrylonitrile-butadiene(NBR);evaluationprocedure
【原文标准名称】:丙烯腈一丁二烯橡胶(NBR).流程评估
【标准号】:ISO4658-1980
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: