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DIN 25702-1995 核素单位放射性测量用检波器屏蔽.带锗检波器的标准系统

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【英文标准名称】:Shieldingsfordetectorsfornuclide-specificactivitymeasurements-Standard-systemswithgermaniumdetectors
【原文标准名称】:核素单位放射性测量用检波器屏蔽.带锗检波器的标准系统
【标准号】:DIN25702-1995
【标准状态】:作废
【国别】:德国
【发布日期】:1995-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;验证;核安全;装置;γ射线探测器;防护屏蔽;锗;符号;活性;γ辐射;额定值;辐射;定义;材料;辐射防护;尺寸;核技术;规范(批准);检波器;试验;锗探测器;核素
【英文主题词】:specification(approval);nucleartechnology;ratings;shields;detectors(circuits);nuclearsafety;nuclides;radiationprotection;gamma-radiation;dimensions;installations;germanium;symbols;measurement;verification;gamma-raydetectors;germaniumdetectors;activity;radiation;testing;materials;definitions
【摘要】:Thedocumentdealswithgammaradiationmeasuringplacesforthemeasurementofradioactivematerialswithlowspecificactivitywithenergiesbetween40keVto2MeVandwithdetectorsystemsbeinghidedinashieldingchamber.Thedocumentdealswithstandardsystemsforroutineapplicationswithmeasuringtimesof1hourandalimitofdetectionofabout1Bq/kg.
【中国标准分类号】:F82
【国际标准分类号】:27_120_10;17_240
【页数】:14P.;A4
【正文语种】:德语


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【英文标准名称】:StandardPracticeforConductingExteriorExposureTestsofPaintsandCoatingsonMetalSubstrates
【原文标准名称】:金属基质涂料和涂层的室外暴露的标准试验规程
【标准号】:ASTMD1014-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D01.27
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;钢;涂料;涂漆
【英文主题词】:coating;durability;exposure;metal;paint;powdercoating;weathering
【摘要】:Theproceduresdescribedinthispracticeareintendedtoaidinevaluatingtheperformanceofcoatingsonvariousmetalpanelsincludingeitherneworpreviouslyrustedsteel.Therelativedurabilityofpaintsinoutdoorexposurescanbeverydifferentdependingonthelocationoftheexposurebecauseofdifferencesinsolarradiation,timeofwetness,temperature,pollutants,andotherfactors.Therefore,itcannotbeassumedthatresultsfromoneexposureinasinglelocationwillbeusefulfordeterminingrelativedurabilityinadifferentlocation.Exposuresinseverallocationswithdifferentclimateswhichrepresentabroadrangeofanticipatedserviceconditionsarerecommended.4.2.1Becauseofyear-to-yearclimatologicalvariations,resultsfromasingleexposuretestcannotbeusedtopredicttheabsoluterateatwhichamaterialdegrades.Severalyearsofrepeatexposuresareneededtogetanx201C;averagex201D;testresultforagivenlocation.4.2.2Solarradiationvariesconsiderablyasfunctionoftimeofyear.Thiscancauselargedifferencesintheapparentrateofdegradationinmanypolymers.Comparingresultsformaterialsexposedforshortperiods(lessthanoneyear)isnotrecommendedunlessmaterialsareexposedatthesametimeinthesamelocation.TheSignificanceandUseinPracticeG7addressesmanyvariablestobeconsideredinexteriorexposuretests.GuideG141providesmoreinformationonvariabilityinweatheringtesting.1.1Thispracticecoversprocedurestobefollowedfordirectexposureofexteriorpaintsandcoatingstotheenvironmentwhenappliedtometalsurfaces.Whenoriginatorsofaweatheringtesthavetheactualexposureconductedbyaseparateagency,thespecificconditionsfortheexposureoftestandcontrolspecimensshouldbeclearlydefinedandmutuallyagreeduponbetweenallparties.1.2Experienceindicatesthatthemetalusedasatestsubstratehasasignificanteffectuponweatheringresults.Thepurposeofthispracticeistodefinespecificsteelandothermetalsurfacestobeusedfortestinginordertominimizethissourceofvariability.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50;A29
【国际标准分类号】:87_040
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Unfiredpressurevessels-Part8:Additionalrequirementsforpressurevesselsofaluminiumandaluminiumalloys;GermanversionEN13445-8:2009
【原文标准名称】:非受火压力容器.第8部分:铝和铝合金压力容器附加要求.德文版本EN13445-8-2009
【标准号】:EN13445-8-2009
【标准状态】:现行
【国别】:
【发布日期】:2010-12-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;铝;铝合金;化工设备;组件;设计;检验;监测用装置;作标记;材料;无损检验;压力容器;生产;规范(验收);监督(认可);测试;非受火压力容器
【英文主题词】:Alloys;Aluminium;Aluminiumalloys;Chemicaltechnologyequipment;Components;Design;Inspection;Installationsinneedofmonitoring;Marking;Materials;Non-destructivetesting;Pressurevessels;Production;Specification(approval);Surveillance(approval);Testing;Unfiredpressurevessels
【摘要】:
【中国标准分类号】:J74
【国际标准分类号】:23_020_30
【页数】:28P.;A4
【正文语种】:英语