ANSI/ASTM D6176M-1997 用电气温度传感器测量表面大气温度的实施规程

上一篇: ANSI/US PRO/IPO111-1997 初始图形交换规范(IGES)分层电气产品应用协议(AP)
下一篇: ANSI/NCCLS H10-A 2-1997 确认镰状血红蛋白存在的溶解度试验

【英文标准名称】:Refrigeratingsystemsandheatpumps-Competenceofpersonnel.
【原文标准名称】:制冷系统和热力泵.人员工作能力.
【标准号】:NFE35-420-2002
【标准状态】:作废
【国别】:法国
【发布日期】:2002-02-01
【实施或试行日期】:2002-02-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accidentprevention;Competence;Coolingsystems;Definition;Definitions;Environmentalconditions;Heatpumps;Occupationalsafety;Ozone;Personnel;Pollutioncontrol;Protectionofpersons;Qualifications;Qualityassurance;Refrigerants;Refrigeratingplant;Refrigeratingplants;Refrigeration;Safety;Safetyengineering;Safetyrequirements;Specialknowledge;Specification(approval);Training;Workingplaces;Workplacesafety
【摘要】:
【中国标准分类号】:J73
【国际标准分类号】:27_080;27_200
【页数】:15P.;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforDeterminingPlane-StrainCrack-ArrestFractureToughness,KIa,ofFerriticSteels
【原文标准名称】:测定K铁素体钢平面应变、断裂抑制、破裂韧性的标准试验方法
【标准号】:ASTME1221-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E08.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铁素体钢;机械测试;金属;钢;测试
【英文主题词】:plane-strain;sidegrooved
【摘要】:1.1Thistestmethodemploysaside-grooved,crack-line-wedge-loadedspecimentoobtainarapidrun-arrestsegmentofflat-tensileseparationwithanearlystraightcrackfront.Thistestmethodprovidesastaticanalysisdeterminationofthestressintensityfactoratashorttimeaftercrackarrest.TheestimateisdenotedKa.Whencertainsizerequirementsaremet,thetestresultprovidesanestimate,termedKIa,oftheplane-straincrack-arresttoughnessofthematerial.1.2Thespecimensizerequirements,discussedlater,provideforin-planedimensionslargeenoughtoallowthespecimentobemodeledbylinearelasticanalysis.Forconditionsofplane-strain,aminimumspecimenthicknessisalsorequired.Bothrequirementsdependuponthecrackarresttoughnessandtheyieldstrengthofthematerial.Arangeofspecimensizesmaythereforebeneeded,asspecifiedinthistestmethod.1.3Ifthespecimendoesnotexhibitrapidcrackpropagationandarrest,Kacannotbedetermined.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandards.Thevaluesgiveninparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:19P.;A4
【正文语种】: