BS 4331 Pt.1-1978 超声波探伤设备性能评定方法.第1部分:综合性能:现场评定方法
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【英文标准名称】:Methodsforassessingtheperformancecharacteristicsofultrasonicflawdetectionequipment.Overallperformance:on-sitemethods
【原文标准名称】:超声波探伤设备性能评定方法.第1部分:综合性能:现场评定方法
【标准号】:BS4331Pt.1-1978
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【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】:
【英文标准名称】:StandardGuideforSamplingWasteandSoilsforVolatileOrganicCompounds
【原文标准名称】:废物和土壤中挥发性有机化合物取样的标准指南
【标准号】:ASTMD4547-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D34.01.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:fieldsampling;methanolextraction;samplecollection;samplehandling;soil;solidwastes;vaporphasepartitioning;volatileorganiccompounds;Containers--environmentalapplications;Environmentalsampling/testing;Fieldtesting--environmental
【摘要】:ThisguidedescribessamplecollectionandhandlingproceduresdesignedtominimizelossesofVOCs.TheprincipalmechanismsforthelossofVOCsfrommaterialsduringcollection,handlingandstoragearevolatilizationandbiodegradation.SusceptibilityofvariousVOCstothesetwolossmechanismsisbothcompoundandmatrixspecific.Ingeneral,compoundswithhighervaporpressuresaremoresusceptibletovolatilizationthancompoundswithlowervaporpressures.Also,aerobicallydegradablecompoundsaregenerallymoresusceptibletobiodegradationthananaerobicallydegradablecompounds.Insomecases,theformationofothercompoundsnotoriginallypresentinthematerialcanoccur.LossorgainofVOCsleadstoanalyticalresultsthatareunrepresentativeoffieldconditions.Ancillaryinformationconcerningsamplecollection,handlingandstorageforVOCanalysisisprovidedinAppendicesAppendixX1,AppendixX2,andAppendixX3.Theseappendixesandcitedreferencesarerecommendedreadingforthoseunfamiliarwiththemanychallengespresentedduringthecollection,handlingandstorageofsamplesforVOCanalysis.1.1Thisguidedescribesrecommendedproceduresforthecollection,handling,andpreparationofsolidwaste,soil,andsedimentsamplesforsubsequentdeterminationofvolatileorganiccompounds(VOCs).Thisclassofcompoundsincludeslowmolecularweightaromatics,hydrocarbons,halogenatedhydrocarbons,ketones,acetates,nitriles,acrylates,ethers,andsulfideswithboilingpointsbelow200x00B0;Celsius(C)thatareinsolubleorslightlysolubleinwater.1.2Methodsofsamplecollection,handling,storage,andpreparationforanalysisaredescribed.1.3Thisguidedoesnotcoverthedetailsofsamplingdesign,laboratorypreparationofcontainers,andtheanalysisofthesamples.1.4ItisrecommendedthatthisguidebeusedinconjunctionwithGuideD4687.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_05
【页数】:15P.;A4
【正文语种】:英语
Product Code:SAE AS4108/2
Title:T-Bolt, A-286, 1000掳F Bushing Head
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:
