JIS Z8411-1971 温度换算表(摄氏-华氏)
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来源:标准资料网
【英文标准名称】:Degreefahrenheit--Degreecelsiusconversiontables
【原文标准名称】:温度换算表(摄氏-华氏)
【标准号】:JISZ8411-1971
【标准状态】:作废
【国别】:日本
【发布日期】:
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:BasicItems
【标准类型】:()
【标准水平】:()
【中文主题词】:测量单位;表(数据);厘米克秒制;英制;温度
【英文主题词】:temperature;tables(data);unitsofmeasurement;cgssystem;imperialsystem
【摘要】:
【中国标准分类号】:A51
【国际标准分类号】:
【页数】:3P;A4
【正文语种】:日语
【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixturesusingdynamicvolumetricmethods-Thermalmass-flowcontrollers
【原文标准名称】:气体分析.标定用混合气体的制备.动态容量法.热物流控制器
【标准号】:BSISO6145-7-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-07-15
【实施或试行日期】:2001-07-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:容量分析;气体分析;校正;质量(物质);流量控制;混合物;流量调节阀;热测量;化学成分
【英文主题词】:Calibrationgases;Controlsamples;Eyelets;Flowregulators;Flows;Gasanalysis;Gasmixtures;Gas-volumetricanalysis;Massflowrates;Orifices;Preparation;Production;Specimenpreparation;Testgases;Thermal;Volumetricanalysis
【摘要】:ThispartofISO6145specifiesamethodforthecontinuousproductionofcalibrationgasmixtures,containingtwoormorecomponents,frompuregasesorothergasmixturesbyuseofcommerciallyavailablethermalmass-flowcontrollers.Byadjustmentofset-pointsonflowcontrollerstopre-determinedvalues,itispossibletochangethecompositionofthegasmixturerapidlyandinacontinuouslyvariablemanner.Byselectionofappropriatecombinationsofthermalmass-flowcontrollersandwithuseofpuregases,thevolumefractionofthecomponentofinterestinthecomplementarygascanbevariedbyafactorof1000.Therelativeexpandeduncertaintyofmeasurement,U,obtainedbymultiplyingtherelativecombinedstandarduncertaintybyacoveragefactor,k=2,isnotgreaterthan2%.Ifpre-mixedgasesareusedinsteadofpuregases,molefractionsbelow10canbeobtained.Themeasurementofmassflowisnotabsoluteandtheflowcontrollerrequiresindependentcalibration.Themeritsofthemethodarethatalargequantityofthegasmixturecanbepreparedonacontinuousbasisandthatmulti-componentmixturescanbepreparedasreadilyasbinarymixturesiftheappropriatenumberofthermalmass-flowcontrollersisutilized.Gasblendingsystems,baseduponthermalmass-flowcontrollers,andsomeincludingthefacilityofcomputerizationandautomaticcontrol,arecommerciallyavailable.
【中国标准分类号】:Z15
【国际标准分类号】:
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforGeneralRequirementsforNickelandNickelAlloyWeldedTube
【原文标准名称】:焊接镍和镍钴合金管标准规范
【标准号】:ASTMB751-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:B02.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:weldedtube;Condenserandheatexchangersystems--nickelalloy;Generaldeliveryrequirements--Ni/Nialloys;Nickelalloytube--specifications;Nickel-chromium-ironalloys--specifications;WeldedNi/Nialloytube--specifications;Chromium-nickel-iron-moly
【摘要】:1.1Thisspecificationcontainsvariousrequirementsthat,withtheexceptionofSections6and7,aremandatoryrequirementstothefollowingASTMnickelandnickelalloy,longitudinallyweldedtubularproductspecifications:TitleofSpecification
ASTMDesignation
WeldedUNSN08020,N08024,andUNSN08026AlloyTubes
B468
WeldedUNSN08120,UNSN08800,UNSN08810,UNSN08811AlloyTubes
B515
WeldedNickel-Chromium-IronAlloy(UNSN06600,UNSN06603,UNSN06025,andUNSN06045)Tubes
B516
WeldedNickelandNickel-CobaltAlloyTube
B626
UNSN08904,UNSN08925,andUNSN08926WeldedTube
B674
UNSN08366andUNSN08367WeldedTube
B676
WeldedUNSN06625,N06219,andN08825AlloyTubes
B704
Ni-Cr-Mo-Co-W-Fe-SiAlloy(UNSN06333)WeldedTube
B726
WeldedNickel(UNSN02200/UNSN02201)andNickelCopperAlloy(UNSN04400)Tube
B730
