【英文标准名称】:Clutchfacings;dimensionsandtolerances
【原文标准名称】:离合器摩擦片.尺寸和公差
【标准号】:DIN73451-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-04
【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】:离合器;极限偏差;内径;外径;直径;覆盖物;公差(测量);铆钉孔;离合器摩擦片衬里;尺寸;摩托车
【英文主题词】:Clutchlinings;Clutches;Coverings;Diameter;Dimensions;Insidediameters;Limitdeviations;Motorvehicles;Outsidediameters;Rivetholes;Tolerances(measurement)
【摘要】:
【中国标准分类号】:J19
【国际标准分类号】:43_040_50
【页数】:3P.;A4
【正文语种】:德语


【英文标准名称】:Waterquality-Selectionandapplicationofready-to-usetestkitmethodsinwateranalysis
【原文标准名称】:水质.水质分析用备用试验装备法的选择和使用
【标准号】:BSISO17381-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-12-22
【实施或试行日期】:2003-12-22
【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】:装备;饮用水;水质;试验;导则;水试样;分析;定义;水;含量测定;水常规;水域;分析方法;抽样方法;水质分析
【英文主题词】:Analysis;Definition;Definitions;Determinationofcontent;Guidelines;Kits;Methodsofanalysis;Potablewater;Samplingmethods;Testing;Water;Wateranalysis;Waterpractice;Waterquality;Watersamples;Waters
【摘要】:ThisInternationalStandardgivesguidanceontheselection,andrequirementsfortheapplication,ofready-to-usemethodsinwateranalysis.Theso-called"ready-to-usemethods"areofincreasinginterestbecause,comparedtostandardmethods,theyallowfastandofteninexpensiveresultsforanalyticalproblems.Undercertainconditionsthesemethodscanbeappliedinroutinecontrolofwaterquality,providedtheygivereliableresults.ThisInternationalStandarddealswithpracticalaspectsconcerningquantitativeready-to-usemethods.Statisticalevaluationsforestablishingtheequivalenceofready-to-usemethodsandstandardmethodsareonlymentionedbriefly.Astheavailableready-to-usemethodsarebasedondifferentanalyticalprinciplesandalsoshowdifferentdegreesofaccuracy,theyareclassifiedintoseveralgroups.TheaimofthisInternationalStandardistosetupcriteriaastowhenthedifferentkindsofready-to-usemethodsmaybeappliedfortheanalysisofdistinctparametersinwatersamples(e.g.potablewater,riverwater,processwater,wastewater)andwhichstepsarenecessarytoprovetheirsuitabilityforacertainapplication.Ready-to-usemethodshavetomeetspecialrequirementsbecausetheyareoftenusedbynon-chemists.ThisInternationalStandardlistsrequirementsfortheproducersofthesetests,concerningsafetyandenvironmentalaspectsaswellashandlingandadescriptionoftheprocedure.Therearealsoseveralrequirementsconcerningthetrainingandsupervisionoftheusersofready-to-usemethods.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_45
【页数】:24P.;A4
【正文语种】:英语