DIN 38409-20-1989 德国检验水、废水和污泥的标准方法.参数特性作用和物质(H组).第20部分:物质与二硫化物兰起反应的测定(H20)

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【英文标准名称】:Germanstandardmethodsfortheexaminationofwater,wastewaterandsludge;parameterscharacterizingeffectsandsubstances(groupH);determinationofsubstancesthatreactwithdisulfineblue(H20)
【原文标准名称】:德国检验水、废水和污泥的标准方法.参数特性作用和物质(H组).第20部分:物质与二硫化物兰起反应的测定(H20)
【标准号】:DIN38409-20-1989
【标准状态】:现行
【国别】:德国
【发布日期】:1989-07
【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】:阳离子;污水;试验;含量测定;标准方法;表面活性剂;胺(脂族);季铵化合物;水质试验;地表水;饮用水;化学分析和试验;水;分析;额定值
【英文主题词】:chemicalanalysisandtesting;water;amines(aliphatic);ratings;surfactants;testing;determinationofcontent;cations;quaternaryammoniumcompounds;standardmethods;sewage;analysis;potablewater;surfacewater;watertesting
【摘要】:Thestandarddescribesamethodforthedeterminationofthedisulfineblueactivesubstances(softeners)inwater.Thecationicsurfactantsareisolatedandenrichedandtheextinctionistomeasureat628mm.
【中国标准分类号】:Z23;P41
【国际标准分类号】:13_060_40
【页数】:11P.;A4
【正文语种】:德语


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【英文标准名称】:Ergonomicsofhuman-systeminteraction-Userperformancetestmethodsforelectronicvisualdisplays
【原文标准名称】:人-机交互作用的人类工效学.电子可视显示器的用户性能试验方法
【标准号】:BSENISO9241-304-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2010-01-31
【实施或试行日期】:2010-01-31
【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】:解剖结构;字符长度;字符间距;气候;颜色;舒适;计算机终端;一致性;对比度;数据处理;密度;设计;对话;数字照相机;显示器;显示设备;显示装置(计算机);显示装置;电子数据处理;效率;电子设备及元件;引入线;环境;工作环境;人类工效学;视域;闪光;加热装置;图象质量;指示装置;指示;信息;信息处理;信息技术;仪器;键盘;光;灯具;亮度;人机;测量条件;测量技术;方法;计量学;模数;监控器;办公计算机;办公室设备;办公机器;办公室业务;办公地点;办公室(室内);操作台;光学的;人;性能;性能试验;质量;阅读;反射;荧光屏;规范(验收);指示器;终端;试验方法;试验;试验装置;使用;用户;能见度;视觉的;可视显示器;目视显示工作站;可视距离;健康;工作场所布置;工作地点;工作任务;工程
【英文主题词】:Anatomicalconfigurations;Charactersize;Characterspacings;Climate;Colour;Comfort;Computerterminals;Conformity;Contrast(optical);Dataprocessing;Density;Design;Dialogue;Digitalcameras;Display;Displaydevices;Displaydevices(computers);Displayunits;EDP;Efficiency;Electronicequipmentandcomponents;Entries;Environment;Environment(working);Ergonomics;Fieldofview;Flicker;Heatinginstallation;Imagequality;Indicatingdevices;Indications;Information;Informationprocessing;Informationtechnology;Instruments;Keyboards;Light;Luminaires;Luminance;Man-machine;Measurementconditions;Measuringtechniques;Methods;Metrology;Modules;Monitor;Officecomputers;Officeequipment;Officemachines;Officeservices;Officeworkingplaces;Offices(interiorspaces);Operatingstations;Optical;People;Performance;Performancetests;Quality;Reading;Reflection;Screens;Specification(approval);Telltales;Terminals;Testmethods;Testing;Testingdevices;Use;Users;Visibility;Visual;Visualdisplayunits;Visualdisplayworkstations;Visualdistance;Wellness;Workplacelayout;Workingplaces;Workingtask;Works
【摘要】:ThispartofISO9241providesguidanceforassessingthevisualergonomicsofdisplaytechnologieswithuserperformancetestmethods(asopposedtotheopticaltestmethodsgiveninISO9241-305).Itsusewillhelptoensurethat,foragivencontextofuse,adisplaymeetsminimumvisualergonomicsrequirements.Itcoversonlyvisualattributesanddoesnotaddresstheergonomicsorusabilityofthewholeproductthathousesavisualdisplay.ThegeneralprincipleslaiddownbythispartofISO9241applytoanycolourormonochromevisualdisplayattachedtoasystemwithwhichhumanbeingsinteract.Thisincludes,butisnotlimitedto,visualdisplaysusedwithdesktopandportablecomputers,thoseusedonmobiledevicessuchasmobiletelephones,digitalcamerasandpersonaldigitalassistants,andstatusdisplaysusedonconsumerelectronicsequipmentsuchasprinters,in-carnavigationsystemsandmicrowaveovens.ItextendsthebasicideaofthevisualperformanceandcomforttestspecifiedinISO9241-3:1992/Amd.1:2000totheuseoftheperformanceandjudgmentofthedisplayendusersthemselvesforevaluatingthequalityofadisplay,andincludesamorediverserangeoftechnologies,users,tasksandenvironments.Becauseofthisdiversity,itisnotfeasibleforthispartofISO9241tostipulateasingle,generictestmethodthatcanbeusedwithalldisplaytechnologies.Instead,thebasicprinciplesforgeneratingatestmethodaregiven.Thismethodwillbevalidforevaluatingspecificdisplaysinspecificcontextsofuse:themethodgeneratedaccordingtoClause8isapplicableonlytotasksinvolvingthehandlingandprocessingoftext.Nootherexamplesaregiven.Anessentialpropertyoftheprocessisthatitpermitstheverificationoftheusabilityofavisualdisplayforarepresentativetask,performedbyrepresentativeusers,takingtheirperformanceandjudgmentasmeasuredqualityvalues.Itdoesnot,however,permitthemeasurementofspecificperceptualattributessuchasluminancecontrastordisplayflickerinisolation.ThemainusersofthispartofISO9241willbethosewhoprocuredisplaysorwhoneedtomeasuredisplayperformanceduringproductdevelopment.Itsapplicationassumesabackgroundinbehaviouralscience.
【中国标准分类号】:A25
【国际标准分类号】:13_180;35_180
【页数】:30P,;A4
【正文语种】:英语


【英文标准名称】:Slip-onFlanges;UpturnedWeldingFlanges,PlainCollars;NominalPressure10
【原文标准名称】:搭接法兰平肩熔焊卷边.公称压力10
【标准号】:DIN2642-1962
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: