【英文标准名称】:Opticsandopticalinstruments-Environmentaltestmethods-Part17:Combinedcontamination,solarradiation
【原文标准名称】:光学和光学仪器环境试验方法第17部分:污染与太阳辐射复合
【标准号】:ISO9022-17-1994
【标准状态】:现行
【国别】:国际
【发布日期】:1994-07
【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/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;环境试验;腐蚀试验;污染;辐射;太阳辐射;光学;光学设备;光学仪器
【英文主题词】:Chemicalreactions;Chemical-resistancetests;Contamination;Corrosiontests;Environmentaltesting;Environmentaltests;Impurities;Opticalequipment;Opticalinstruments;Optics;Radiation;Solarradiation;Surfaces;Testing;Testingconditions;Tests
【摘要】:Specifiesmethodsoftestingofopticalinstrumentsandinstrumentscontainingopticalcomponents,underequivalentconditions,fortheirabilitytoresistcombinedcontaminationandsolarradiation(here,contaminationmeansthecontactofopticalinstrumentswithcorrosivechemicalsubstances).Thepurposeoftestingistoinvestigatetheresistanceofaninstrumentand,inparticular,ofinstrumentsurfaces,coatings,orsyntheticmaterials,toashort-timeexposuretothecontaminationcombinedwithsolarradiation.Thetestsdescribedaredesignedfortheselectionofmaterialsandcomponentsfortheinstruments.
【中国标准分类号】:N30
【国际标准分类号】:37_020
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Wholemilk-Determinationofmilkfat,proteinandlactosecontent-Guidanceontheoperationofmid-infraredinstruments
【原文标准名称】:全乳.乳脂肪、蛋白质和乳糖含量的测定.中红外设备操作指南
【标准号】:BSISO9622-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【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】:蛋白质;乳制品;含量测定;红外线辐射;均匀性;线性度;乳糖;红外分光光度法;化学分析和试验;脂肪含量测定;使用说明;再现性;使用条件;试验设备;纠正作用;准确度;牛奶;精密度;校正;重量;体积;组分;试验条件;稳定性;抽样方法
【英文主题词】:
【摘要】:ThisInternationalStandarddescribestheoperatingconditionsforinstrumentsusedforthedeterminationoffat,proteinandlactosecontentofex-farmmilk,baseduponthemeasurementoftheabsorptionofmid-infraredradiationatwavelengthswhicharerepresentativeofeachcomponentanalysed.NOTE1Inpractice,thesemeasurementsaremadeusingcommercialautomaticorsemi-automaticinstrumentsdefinedinclause5andcalled"infraredinstruments"inthisInternationalStandard.AnymodelofinstrumentwhichdoesnotcomplywiththeprincipleofanalysisgiveninthisInternationalStandardorwhichincorporatesmodificationsthatmayaltertheprincipalcharacteristicsoftheapparatus(repeatability,accuracy,conditionsofuse),aswellasthemeansofadjustingthecalibration,willrequireaseparatespecificstandard.NOTE2Notallinstrumentsallowdeterminationofthelactosecontent.Moreover,someinstrumentsallowdirectmeasurementofthewatercontent.Thetotalsolidscontentcanbeestimatedbyaddingtogetherthefat,proteinandlactosecontents,aconstantbeingusedtocorrectforthesaltcontent.Themethoddescribedisapplicabletothedeterminationofthefat,proteinand,asappropriate,lactosecontentofex-farmmilk.Themethodisalsoapplicabletotheanalysisofmilkofotherspecies(goat,ewe,buffalo,etc.)andprocessedmilkprovidedaspecificcalibrationoftheinstrument(seeclause7)ismade.
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:34P;A4
【正文语种】:英语