DIN 58212-5-1988 眼防护用具的检验.耐热性和耐低温性的检验
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来源:标准资料网
【英文标准名称】:Testingofeye-protectors;testingtheresistancetohighandlowtemperatures
【原文标准名称】:眼防护用具的检验.耐热性和耐低温性的检验
【标准号】:DIN58212-5-1988
【标准状态】:作废
【国别】:德国
【发布日期】:1988-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验设备;护目设备;检验;防护服装;试验;热稳定性;热试验;温度;护目眼镜;护目器;面罩
【英文主题词】:thermalstability;thermaltesting;temperature;eyeprotectors;faceshields;testing;goggles(safety);protectiveclothing;eye-protectiveequipment;inspection;testequipment
【摘要】:
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:Aerospace-Retainers,spring,sheetmetal,forself-lockingbarrelnuts-Dimensions
【原文标准名称】:航空航天筒形自锁螺母用弹性金属片保持架尺寸
【标准号】:ISO12280-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC20
【标准类型】:()
【标准水平】:()
【中文主题词】:定位弹簧;弹簧;弹簧垫圈;航空运输;自锁紧;螺母;紧固件;尺寸;薄板材;航空航天运输
【英文主题词】:Aerospacetransport;Airtransport;Dimensions;Fasteners;Nuts;Retainingsprings;Self-locking;Sheetmaterials;Springwashers;Springs
【摘要】:ThisInternationalStandardspecifiesthedimensionsofsheetmetalspringretainersintendedforusewithself-lockingbarrelnuts,ISO12278.ThisInternationalStandardisonlyapplicableforthecompilationofaerospaceproductstandards.
【中国标准分类号】:V22
【国际标准分类号】:49_030_99
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforOilSpillSourceIdentificationbyGasChromatographyandPositiveIonElectronImpactLowResolutionMassSpectrometry
【原文标准名称】:用气相色谱法和正离子电子冲击低分辨率质谱法识别溢油源的标准实施规程
【标准号】:ASTMD5739-2006
【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】:D19.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:气相色谱法;质谱学;石油污染;污染控制
【英文主题词】:anthracenes;dibenzothiophenes;extractedionchromatogram;fused-ringaromatics;gaschromatography;identification;massspectrometry;naphthalenes;oilspill;phenanthrenes;selectedionmonitoring;steranes;triterpanes;weathering
【摘要】:Thispracticeisusefulforassessingthesourceforanoilspill.Otherlesscomplexanalyticalprocedures(TestMethodsD3328,D3414,D3650,andD5037)mayprovideallofthenecessaryinformationforascertaininganoilspillsource;however,theuseofamorecomplexanalyticalstrategymaybenecessaryincertaindifficultcases,particularlyforsignificantlyweatheredoils.Thispracticeprovidestheuserwithameanstothisend.4.1.1Thispracticepresumesthatax201C;screeningx201D;ofpossiblesuspectsourceshasalreadyoccurredusinglessintensivetechniques.Asaresult,thispracticefocusesdirectlyonthegenerationofdatausingpreselectedtargetedcompoundclasses.Thesetargetsarebothpetrogenicandpyrogenicandcanconstitutebothmajorandminorfractionsofpetroleumoils;theywerechoseninordertodevelopapracticethatisuniversallyapplicabletopetroleumoilidentificationingeneralandisalsoeasytohandleandapply.Thispracticecanaccommodatelightoilsandcrackedproducts(exclusiveofgasoline)ontheonehand,aswellasresidualoilsontheother.4.1.2Thispracticeprovidesanalyticalcharacterizationsofpetroleumoilsforcomparisonpurposes.Certainclassesofsource-specificchemicalcompoundsaretargetedinthisqualitativecomparison;thesetargetcompoundsarebothuniquedescriptorsofanoilandchemicallyresistanttoenvironmentaldegradation.Spilledoilcanbeassessedinthiswayasbeingsimilarordifferentfrompotentialsourcesamplesbythedirectvisualcomparisonofspecificextractedionchromatograms(EICs).Inaddition,other,moreweathering-sensitivechemicalcompoundclassescanalsobeexaminedinordertocrudelyassessthedegreeofweatheringundergonebyanoilspillsample.Thispracticesimplyprovidesameansofmakingqualitativecomparisonsbetweenpetroleumsamples;quantitationofthevariouschemicalcomponentsisnotaddressed.1.1Thispracticecoverstheuseofgaschromatographyandmassspectrometrytoanalyzeandcomparepetroleumoilspillsandsuspectedsources.1.2Theprobablesourceforaspillcanbeascertainedbytheexaminationofcertainuniquecompoundclassesthatalsodemonstratethemostweatheringstability.Toagreaterorlesserdegree,certainchemicalclassescanbeanticipatedtochemicallyalterinproportiontotheweatheringexposuretimeandseverity,andsubsequentanalyticalchangescanbepredicted.Thispracticerecommendsvariousclassestobeanalyzedandalsoprovidesaguidetoexpectedweathering-inducedanalyticalchanges.1.3ThispracticeisapplicableformoderatelytoseverelydegradedpetroleumoilsinthedistillaterangefromdieselthroughBunkerC;itisalsoapplicableforallcrudeoilswithcomparabledistillationranges.Thispracticemayhavelimitedapplicabilityforsomekerosenes,butitisnotusefulforgasolines.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z12
【国际标准分类号】:71_040_50
【页数】:12P.;A4
【正文语种】:
