SAE ARP1942 Across Corner Dimensions of Hex Fittings
作者:标准资料网 时间:2024-05-15 17:51:40 浏览:8900
来源:标准资料网
Product Code:SAE ARP1942
Title:Across Corner Dimensions of Hex Fittings
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:This recommended practice is for machined hex flats and turned corners only. It is not to be used for parts requiring lockwire holes.
【英文标准名称】:StandardPracticeforSamplingandTestingofPossibleCarbonBlackFugitiveEmissionsorOtherEnvironmentalParticulate,orBoth
【原文标准名称】:碳黑的易排放物和/或其他环境颗粒状物的抽样和检验标准实施规范
【标准号】:ASTMD6602-2003b
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D24.81
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:炭黑;取样;排放;试验
【英文主题词】:carbonblack;carbonblackfugitiveemissions;environmentalparticulates
【摘要】:Particulateemissionsaremajorcontributorstoaircontaminationinindustrialandurbanenvironments.Sootisformedasanunwantedby-productofcombustionandconsequentlyvarieswidelywiththetypeoffuelandcombustionconditions.Carbonblack,ontheotherhand,ispurposelyproducedunderacontrolledsetofconditions.Therefore,itisimportanttobeabletodistinguishcarbonblackfromsoot,aswellasotherenvironmentalcontaminants.1.1ThispracticecoverssamplingandtestingfordistinguishingASTMtypecarbonblack,intheN100toN900series,fromotherenvironmentalparticulates.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformation.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thispracticerequiressomedegreeofexpertiseonthepartofthemicroscopist.Forthisreason,themicroscopistmusthaveadequatetrainingandsubstantialon-the-jobexperienceinidentifyingthemorphologicalparametersofcarbonblack.Insupportofthisanalysis,Donnet'sbookishighlyrecommendedtobeusedasatechnicalreferenceforrecognizingandunderstandingthemicrostructureofcarbonblack.
【中国标准分类号】:J90
【国际标准分类号】:
【页数】:22P.;A4
【正文语种】:
【英文标准名称】:Controlsandsafetydevicesforautomaticallyfiredboilers
【原文标准名称】:自动燃烧锅炉的控制和安全装置
【标准号】:ASMECSD-1-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:控制设备;自动控制系统;锅炉;燃油装置;安全装置;控制;电变量控制;控制系统;蒸汽锅炉;设备保护;热变量控制;安全系统
【英文主题词】:
【摘要】:
【中国标准分类号】:J98
【国际标准分类号】:25_040_40
【页数】:54P;A4
【正文语种】:英语
