SAE AS3236 Bolt, Machine - Double Hexagon Extended Washer Head, PD Shank, Cres, UNS N07718, 185 ksi min, .1900-32 UNJF-3
时间:2024-05-22 05:17:32 来源: 标准资料网 作者：标准资料网 阅读：9908
Product Code:SAE AS3236
Title:Bolt, Machine - Double Hexagon Extended Washer Head, PD Shank, Cres, UNS N07718, 185 ksi min, .1900-32 UNJF-3A
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available
- 上一篇：SAE AS3237 Bolt, Machine - Double Hexagon Extended Washer Head, PD Shank, Cres, UNS N07718, 185 ksi min, .2500-28 UNJF-3
- 下一篇：SAE AS3239 Bolt, Machine - Double Hexagon Extended Washer Head, PD Shank, Cres, UNS N07718, 185 ksi min, .3750-24 UNJF-3
【英文标准名称】:Clampingfittings;holderofspacer,long
【原文标准名称】:夹紧件.长垫块柄
【标准号】:DIN25106-17-1974
【标准状态】:作废
【国别】:德国
【发布日期】:1974-11
【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】:夹件;紧固件;配件;尺寸;锁定装置及定位装置;材料;铁道车辆
【英文主题词】:materials;railwayvehicles;fasteners;lockingandlocatingdevices;clampingfittings;dimensions;fittings
【摘要】:
【中国标准分类号】:S34
【国际标准分类号】:45_060_10
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:Ambientairquality-Standardmethodformeasurementofbenzeneconcentrations-Pumpedsamplingfollowedbythermaldesorptionandgaschromatography
【原文标准名称】:环境空气质量.测量苯浓度的标准方法.热解吸和气相色谱法后的泵取样
【标准号】:BSEN14662-1-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-06-27
【实施或试行日期】:2005-06-27
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:工作材料;致癌物;危险的可裂变物质;环境空气;浓度(化学);基准方法;抽样方法;空气质量;大气污染;空气;保健;解吸;空气净化;分离;极限(数学);测量;苯含量;苯;加热;分析;定义;污染物;气相色谱法;泵;危险物质
【英文主题词】:
【摘要】:ThispartofEN14662givesgeneralguidanceforthesamplingandanalysisofbenzeneinairbypumpedsampling,thermaldesorptionandcapillarygaschromatography.ThispartofEN14662isinaccordancewiththegenericmethodologyselectedasthebasisoftheEuropeanUnionreferencemethodforthedeterminationofbenzeneinambientair[1]forthepurposeofcomparisonofmeasurementresultswithlimitvalueswithaone-yearreferenceperiod.ThispartofEN14662isvalidforthemeasurementofbenzeneinaconcentrationrangeofapproximately0,5μg/mto50μg/minanairsampletypicallycollectedoveraperiodof24hours.Theupperlimitoftheusefulrangeissetbythesorptivecapacityofthesorbentandbythelineardynamicrangeofthegaschromatographcolumnanddetectororbythesamplesplittingcapacityoftheanalyticalinstrumentationused.Thelowerlimitoftheusefulrangedependsonthenoiselevelofthedetectorandonblanklevelsofbenzeneand/orinterferingartefactsonthesorbent.Artefactsaretypicallysubngforsorbents,buthigherlevelsofaromatichydrocarbonshavebeennotedinothersorbents.Thedetectionlimitwillbeapproximately1/10ofthelowerconcentrationrange.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:38P;A4
【正文语种】:英语