DIN 3051-4-1972 钢丝绳.原理.交货的技术条件

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【英文标准名称】:StandardGuideforHigh-TemperatureStaticStrainMeasurement
【原文标准名称】:高温变形测量
【标准号】:ASTME1319-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E28.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:测量技术;应变仪
【英文主题词】:extensometer;hightemperaturetesting;straingage-adverseenvironment;straingage-capacitive;straingage-freefilament;straingage-hightemperature;straingage-installation;straingage-selection;straingage-weldable;stress
【摘要】:Theuseofthisguideisvoluntaryandisintendedforuseasaproceduresguideforselectionandapplicationofspecifictypesofstraingagesforhigh-temperatureinstallations.Noattemptismadetorestrictthetypeofstraingagetypesorconceptstobechosenbytheuser.Theprovisionsofthisguidemaybeinvokedinspecificationsandproceduresbyspecifyingthosewhichshallbeconsideredmandatoryforthepurposeofthespecificapplication.Whensoinvoked,theusershallincludeintheworkstatementanotationthatprovisionsofthisguideshownasrecommendationshallbeconsideredmandatoryforthepurposesofthespecificationorprocedureconcerned,andshallincludeastatementofanyexceptionstoormodificationsoftheaffectedprovisionsofthisguide.1.1Thispracticecoverstheselectionandapplicationofstraingagesandassociatedinstrumentationforthemeasurementofstaticstrainuptoandincludingthetemperaturerangefrom425to650176C(800to1200176F).Thispracticereflectssomecurrentstate-of-the-arttechniquesinhightemperaturestrainmeasurement,andwillbeexpandedandupdatedasnewtechnologydevelops.1.2ThispracticeassumesthattheuserisfamiliarwiththeuseofbondedstraingagesandassociatedsignalconditioningandinstrumentationasdiscussedinRefs.(1)and(2).Thestrainmeasuringsystemsdescribedarethosethathaveproveneffectiveinthetemperaturerangeofinterestandwereavailableatthetimeofissueofthispractice.Itisnottheintentofthispracticetolimittheusertooneofthegagetypesdescribednorisittheintenttospecifythetypeofsystemtobeusedforaspecificapplication.However,inusinganystrainmeasuringsystemincludingthosedescribed,theproposermustbeabletodemonstratethecapabilityoftheproposedsystemtomeettheselectioncriteriaprovidedinSection5andtheneedsofthespecificapplication.1.3Thedevicesandtechniquesdescribedinthispracticemaybeapplicableattemperaturesaboveandbelowtherangenoted,andformakingdynamicstrainmeasurementsathightemperatureswithproperprecautions.Thegagemanufacturershouldbeconsultedforrecommendationsanddetailsofsuchapplications.1.4ThereferencesareapartofthispracticetotheextentspecifiedinthetextandAppendixesX1throughX5.1.5Thevaluesstatedinmetric(SI)unitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposesonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Oilofgeranium
【原文标准名称】:香叶油
【标准号】:ISO4731-1978
【标准状态】:作废
【国别】:国际
【发布日期】:1978-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC54
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;香精油;化学性质;材料规范;牦牛儿苗科
【英文主题词】:Chemicalproperties;Essentialoils;Geraniaceae;Materialsspecification;Properties
【摘要】:
【中国标准分类号】:Y41
【国际标准分类号】:71_100_60
【页数】:3P;A4
【正文语种】:英语