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BS ISO 4309-2004+A1-2008 起重机.钢索.保养、维修、安装、检验和报废

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【英文标准名称】:Cranes-Wireropes-Care,maintenance,installation,examinationanddiscard
【原文标准名称】:起重机.钢索.保养、维修、安装、检验和报废
【标准号】:BSISO4309-2004+A1-2008
【标准状态】:作废
【国别】:英国
【发布日期】:2004-10-08
【实施或试行日期】:2004-10-08
【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】:起重机;定义;检验(质量保证);检验;装置;安装;提升设备;维护;物料搬运设备;安全;规范;储存;监督(认可);钢索
【英文主题词】:Cranes;Definition;Definitions;Examination(qualityassurance);Inspection;Installations;Liftingequipment;Maintenance;Materialshandlingequipment;Safety;Specifications;Storage;Surveillance(approval);Wireropes
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:53_020_30
【页数】:50P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforCalculationandAdjustmentoftheLangelierSaturationIndexforReverseOsmosis
【原文标准名称】:反渗透用估算和校正Langclier饱和指数的标准实施规范
【标准号】:ASTMD3739-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D19.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:索引;数学计算;反渗透;饱和指数;水
【英文主题词】:CaCO3scale;LangelierSaturationndex;LSI;reverseosmosis;scaling
【摘要】:Inthedesignandoperationofreverseosmosisinstallations,itisimportanttopredictthecalciumcarbonatescalingpropertiesoftheconcentratestream.Becauseoftheincreaseintotaldissolvedsolidsintheconcentratestreamandthedifferenceinpassagesforcalciumion,bicarbonateion,andfreeCO2,thecalciumcarbonatescalingpropertiesoftheconcentratestreamwillgenerallybequitedifferentfromthoseofthefeedsolution.ThispracticepermitsthecalculationoftheLangelierSaturationIndexfortheconcentratestreamfromthefeedwateranalysesandthereverseosmosisoperatingparameters.ApositiveLangelierSaturationIndexindicatesthetendencytoformacalciumcarbonatescale,whichcanbedamagingtoreverseosmosisperformance.ThispracticegivesvariousproceduresfortheadjustmentoftheLangeliersaturationindex.ThetendencytoformCaCo3scalecanbesuppressedbytheadditionofantiscalentsorcrystalmodifiers.Suppliersofantisealentsandcrystalmodifierscanprovideinformationonthescaleinhibitionpeformanceofthesetypesofchemical.TheirusemaybeappropriateforreducingscaleformationinROsystems.TheROsystemsuppliershouldbeconsultedpriortotheuseofantisealentsandcrystalmodifierstoensuretheywillnothaveanegativeimpactontheROsystem.1.1ThispracticecoversthecalculationandadjustmentoftheLangeliersaturationindexfortheconcentratestreamofareverseosmosisdevice.Thisindexisusedtodeterminetheneedforcalciumcarbonatescalecontrolintheoperationanddesignofreverseosmosisinstallations.Thispracticeisapplicableforconcentratestreamscontainingxx10to10000mg/Loftotaldissolvedsolids.Forconcentratecontainingover10000mg/LseePracticeD4582.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A40
【国际标准分类号】:07_030
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Waterquality-Determinationofchromium(VI)-Methodusingflowanalysis(FIAandCFA)andspectrometricdetection(ISO23913:2006);EnglishversionofDINENISO23913:2009-09
【原文标准名称】:水质.铬(IV)的测定.流动分析(FIA和CFA)法和光谱检测法(ISO23913-2006).英文版本DINENISO23913-2009-09
【标准号】:DINENISO23913-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;化学分析和试验;水化学;铬;铬含量;铬(AI);含量测定;废水检验;流分析;抽样方法;污水;光谱测定法;试验;水;水质;水质试验
【英文主题词】:Analysis;Chemicalanalysisandtesting;Chemistryofwater;Chromium;Chromiumcontent;Chromium(VI);Determinationofcontent;Examinationofwastewater;Flowanalysis;Samplingmethods;Sewage;Spectrometry;Testing;Water;Waterquality;Watertesting
【摘要】:ThisInternationalStandardspecifiesflowinjectionanalysis(FIA)andcontinuousflowanalysis(CFA)methodsforthedeterminationofchromium(VI)invarioustypesofwater.Themethodappliestothefollowingmassconcentrationranges.FIA:20μg/Ito200μg/Iand200μg/Ito2000IJg/Iforsurfacewater,leachatesandwastewater.CFA:2μg/Ito20μg/Iand20μg/Ito200μg/Ifordrinkingwater,groundwater,surfacewater,leachatesandwastewater.Therangeofapplicationmaybechangedbyvaryingtheoperatingconditions.Seawatermaybeanalysedbythesemethodswithchangesinsensitivityandafteradaptationofthereagentandcalibrationsolutionstothesalinityofthesamples.
【中国标准分类号】:Z16
【国际标准分类号】:
【页数】:22P.;A4
【正文语种】:英语