MIL-L-19538C (NOTICE 1)
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来源:标准资料网
MIL-L-19538C (NOTICE 1), MILITARY SPECIFICATION: LACQUER, ACRYLIC NITROCELLULOSE, CAMOUFLAGE (FOR AIRCRAFT USE) (24 FEB 1995) [S/S BY MIL-L-81352].
【英文标准名称】:StandardPracticeforPreparationofLow-PressureGasBlends
【原文标准名称】:低压气体混合物的制备
【标准号】:ASTMD4051-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D02.04.0A
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:混合物;气体;制备;工艺;压力;石油产品
【英文主题词】:analyticalstandard;low-pressuregasblends
【摘要】:Thelaboratorypreparationofgasblendsofknowncompositionisrequiredtoprovideprimarystandardsforthecalibrationofchromatographicandothertypesofanalyticalinstrumentation.1.1Thispracticecoversalaboratoryprocedureforthepreparationoflow-pressuremulticomponentgasblends.Thetechniqueisapplicabletotheblendingofcomponentsatpercentlevelsandcanbeextendedtolowerconcentrationsbyperformingdilutionsofapreviouslypreparedbaseblend.Themaximumblendpressureobtainableisdependentupontherangeofthemanometerused,butordinarilyisabout101kPa(760mmHg).Componentsmustnotbecondensableatthemaximumblendpressure.1.2Thepossiblepresenceofsmallleaksinthemanifoldblendingsystemwillprecludeapplicabilityofthemethodtoblendscontainingpartpermillionconcentrationsofoxygenornitrogen.1.3Thispracticeisrestrictedtothosecompoundsthatdonotreactwitheachother,themanifold,ortheblendcylinder.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:StandardSpecificationforCompactedGraphiteIronCastings
【原文标准名称】:高密度石墨铸铁的标准规范
【标准号】:ASTMA842-1985
【标准状态】:现行
【国别】:美国
【发布日期】:1985
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:石墨;铁;铸件
【英文主题词】:castings;graphite;iron
【摘要】:
【中国标准分类号】:H41
【国际标准分类号】:77_140_80;77_080_10
【页数】:5P;A4
【正文语种】:英语
