BS 1344 Pt.12-1976 搪瓷层的试验方法.第12部分:钢板覆层试样的制备
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【英文标准名称】:Methodsoftestingvitreousenamelfinishes.Productionofspecimensfortestingcoatingsonsheetsteel
【原文标准名称】:搪瓷层的试验方法.第12部分:钢板覆层试样的制备
【标准号】:BS1344Pt.12-1976
【标准状态】:作废
【国别】:英国
【发布日期】:1976-01-30
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:陶瓷涂层;非金属覆层;覆层;釉层;精整;试样制备;形状;钢;尺寸;薄板材;试样
【英文主题词】:non-metalliccoatings;finishes;dimensions;vitreousenamel;specimenpreparation;steels;sheetmaterials;coatings;ceramiccoatings;testspecimens;shape
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:Methodsofmeasurementforradioequipmentusedinsatelliteearthstations..Part1:Measurementscommontosub-systemsandcombinationsofsub-systems..Firstsupplement:Sub-clause6.2:D.C.sourceconditions
【原文标准名称】:卫星地面站用无线电设备的测量方法第1部分:分系统和分系统组合通用的测量补充1:6.2条:直流电源条件
【标准号】:IEC60510-1A-1980
【标准状态】:现行
【国别】:国际
【发布日期】:1980
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC102
【标准类型】:()
【标准水平】:()
【中文主题词】:无线电工程;直流电流;测量;微波;站;电气工程
【英文主题词】:Climate;Definition;Definitions;Directcurrent;Electricpowersystems;Electricalengineering;Electricalmeasurement;Humidity;Measurement;Measuringtechniques;Microwavelinks;Microwaves;Radioengineering;Radioequipment;Radiostations;Radiocommunication;Satellitecommunications;Satellitelinks;Stations;Telecommunication;Testatmospheres;Testing;Testingconditions
【摘要】:SupplementsIEC510-1dealingwiththedcsourceimpedanceandpolarityandnoisesuperimposedonthedctestvoltage,includingselectiveandwidebandmeasurementsofsuperimposednoise.
【中国标准分类号】:M75;M35
【国际标准分类号】:33_060_30
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Determinationoforganonitrogencompoundsinairusingliquidchromatographyandmassspectrometry-Part1:Isocyanatesusingdibutylaminederivatives
【原文标准名称】:在空气中用液相色谱法和质谱学对有机氮化合物的测定.第1部分:用二丁胺衍生物的异氰酸酯
【标准号】:ISO17734-1-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:空气质量;分析;化学分析和试验;含量测定;异氰酸酯;液相色谱法;质谱学;氮化合物;有机化合物;抽样方法;光谱测定法;工作地点
【英文主题词】:Airquality;Analysis;Chemicalanalysisandtesting;Determinationofcontent;Isocyanates;Liquidchromatography;Massspectrometry;Nitrogencompound;Organiccompounds;Samplingmethods;Spectrometry;Workingplaces
【摘要】:ThispartofISO17734givesgeneralguidanceforthesamplingandanalysisofairborneisocyanatesinworkplaceair.Whenaminesandaminoisocyanatesaresuspectedtobeemitted(e.g.fromthermaldegradationofPUR),itisrecommendedthatinadditiontoisocyanatestheaminesandaminoisocyanatesinairaredetermined,usingDBAandethylchloroformateasreagents(ISO17734-2).Themethodissuitableforthedeterminationofawiderangeofdifferentisocyanatesinboththegasandparticlephases.Typicalmonofunctionalisocyanatesthatcanbedeterminedareisocyanicacid(ICA),methylisocyanate(MIC),ethylisocyanate(EIC),propylisocyanate(PIC),butylisocyanate(BIC),andphenylisocyanate(Phi).Typicalmonomericdiisocyanatesinclude1,6-hexamethylene-(HDI),2,4-and2,6-toluene-(TDI),4,4'-diphenylmethane-(MDI),1,5-naphthyi-(NDI),isophorone-(IPDI),and4,4'-dicyclohexylmethanediisocyanate(HMDI).MultifunctionalisocyanatesthatcanbedeterminedaretypicallyoligomersinpolymericMDI,biuret-,isocyanurate-,andallophanate-adductsandprepolymericformsofisocyanates.Theinstrumentaldetectionlimitforaliphaticisocyanatesisabout50fmolandforaromaticisocyanates,itis2fmol.Fora15-1airsample,thiscorrespondsto0,6ngrrr3forHDIand0,02ngrrr3forTDI.Theusefulrange,fora5-1airsample,ofthemethodisapproximately0,001ug-rrr3to200mg-rrr3forTDI.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:29P.;A4
【正文语种】:英语
