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【英文标准名称】:Audiometers.Pure-toneaudiometers
【原文标准名称】:测听计.第1部分:纯音测听计
【标准号】:BSEN60645-1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-04-15
【实施或试行日期】:1995-04-15
【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】:听力计;准确度;准确度;医疗设备;电子设备及元件;信号发生器;校正;性能试验;信号失真;使用说明;听觉阈;频率;频率;声学设备;听觉;临床检查器械;工作环境;性能;作标记;比较试验;听力学;听力测定
【英文主题词】:
【摘要】:
【中国标准分类号】:C32
【国际标准分类号】:13_140
【页数】:36P;A4
【正文语种】:英语


【英文标准名称】:Photography-Determinationofresidualthiosulfateandotherrelatedchemicalsinprocessedphotographicmaterials-Methodsusingiodine-amylose,methyleneblueandsilversulfide
【原文标准名称】:摄影技术.在处理过的摄影材料上对残留硫代硫酸盐和其它相关化学制品的测定.碘-淀粉、亚甲蓝和硫化银方法
【标准号】:BSISO18917-1999
【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(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:连多硫酸盐;银;摄影;校正;化学分析和试验;试样制备;照相药品;浓度(化学);含量测定;试验条件;危害;碘;光密度分析;明胶;试验设备;比色法;定影;卫生和安全要求;卤化物;亚甲蓝;化学危害;照相干版;硫代硫酸盐;硫化物;淀粉;摄影材料;相纸
【英文主题词】:Chemicalanalysisandtesting;Chemicalresidues;Chemicals;Determinationofcontent;Iodine;Methyleneblue;Photographicchemicals;Photographicfilm;Photographicmaterials;Photographicplates;Photography;Photosensitivepapers;Residualcontent;Starches;Sulphides;Thiosulphates
【摘要】:1ThisInternationalStandardspecifiestestmethodsforthedeterminationofresidualthiosulfateandotherrelatedchemicalsinprocessedphotographicmaterials.2ThisInternationalStandardappliestosilverhalide/gelatinproductsthathavebeenprocessedwithafinalthiosulfatefixingbathandawaterwash.ThisInternationalStandarddoesnotapplytostabilisedblack-and-whiteproducts,thermallyprocessedfilms,orinstant-typeproducts.TheproceduresgiveninthisInternationalStandardmeasureresidualthiosulfate,andthesilverdensitometricmethodmeasuresresidualrelatedpolythionatematerialsaswell.MeasurementscarriedoutbytheproceduresinthisInternationalStandardmay,withinthelimitationsstatedinannexesAandB,correlatewiththeimagestabilitiesofprocessedphotographs.3Filmorplateswithphotographic-sensitivelayersonbothsides,orwithaphotographicsensitivelayerononesideandagelatinbackinglayeronthereverseside,maycontainapproximatelytwiceasmuchthiosulfateafterprocessingassampleshavingacoatingononesideonly.Thissituationwillbetrueformaterialsforwhichresidualthiosulfateisdeterminedbytheiodine-amyloseormethyleneblueprocedures.NOTEForthemethodofreportingsuchresults,seefigure1,example2.4Theiodine-amylosecanbeusedwithfibre-basedpaper,resin-coatedpaper,filmsandplates.Itisthemethodtobeusedwithfilmsandpaperscontainingincorporateddevelopingagents.5Themethylenebluemethodcanbeusedwithfibre-basedpaper,resin-coatedpaper,filmsandplatesbutnotwithfilmsandpapercontainingincorporateddevelopingagents.6Thesilversulfidedensitometricmethodmeasuresthiosulfates,polythionatesandallotherresidualchemicalsinaprocessedproductthatreactwithsilveriontoformasilver"stain"undertheconditionsofthetest.7Atabulatedsummaryofmethods,scope,etc.isgiveninannexB.
【中国标准分类号】:A15
【国际标准分类号】:37_040_20
【页数】:28P.;A4
【正文语种】:英语