ISO 9186-2001 图形符号判断易理解性试验方法和综合理解试验方法

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【英文标准名称】:Graphicalsymbols-Testmethodsforjudgedcomprehensibilityandforcomprehension
【原文标准名称】:图形符号判断易理解性试验方法和综合理解试验方法
【标准号】:ISO9186-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-04
【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/TC145
【标准类型】:()
【标准水平】:()
【中文主题词】:信息;试验;图形符号;开发;公共的;清晰度;符号;定义
【英文主题词】:Definition;Definitions;Development;Graphicsymbols;Information;Intelligibility;Public;Symbols;Tests
【摘要】:ThisInternationalStandardspecifies:—theproceduretobeusedingatheringtheinformationneededtorequeststandardizationofgraphicalsymbols;—themethodtobeusedintestingwhichvariantofagraphicalsymbolisjudgedthemostcomprehensible;and—themethodtobeusedintestingtheextenttowhichavariantofagraphicalsymbolcommunicatesitsintendedmessage.ThepurposeofthisInternationalStandardistoensurethatgraphicalsymbols,andsignsusinggraphicalsymbols,arereadilyunderstood.ItinnowayensuresthatprohibitionsorwarningsusinggraphicalsymbolsorsymbolsignsdesignedinaccordancewiththisInternationalStandardwill,onceunderstood,becompliedwith.NOTEAppropriateattitudesandmotivationarerequiredbeforecompliancewithanysignwillresult.Apictorialsignisnotintendedasaneasyalternativetosurveillance,physicalbarriers,education,orothermeansofachievingasafesituation.
【中国标准分类号】:A22
【国际标准分类号】:01_080_10
【页数】:36P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforEstimatingAcuteOralToxicityinRats
【原文标准名称】:评定剧毒口服灭鼠剂的试验方法
【标准号】:ASTME1163-1998(2002)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E47.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:农药;病虫害防治;试验;污染控制;危险物质;杀鼠剂;毒性
【英文主题词】:chemicals;LD50;oraltoxicity;pesticides;rats
【摘要】:Thistestmethodisofprincipalvalueinminimizingthenumberofanimalsrequiredtoestimatetheacuteoraltoxicity(LD50).Thistestmethodisinappropriateformaterialstypicallyproducingdeath2ormoredaysafteradministrationofthetestcompoundunlesstheobservationtimebetweendosagesisincreased.Thistestmethodcanbesuccessfullyapplied,however,formaterialsproducingonlyanoccasionaldeath2ormoredaysafteradministration.TheLD50isvaluableasameasureoftherelativeacutetoxicityofamaterialandcanbeusedtomakeanestimateofpotentialhazardtohumanswhenpesticides,otherchemicals,ormixturesareingested.Thistestmethodallowsforobservationofsignsoftoxicityinadditiontomortality.Thisinformationcanbeusefulinplanningadditionaltoxicitytesting.1.1Thistestmethoddeterminesthelethality(LD50value)andsignsofacutetoxicityfromamaterialusingalimitednumberofrats.Thetechniqueusedinthistestmethodisreferredtoasthe"Up-and-DownProcedure."ThistestmethodisanalternativetotheclassicalLD50testandisapplicabletobothliquidsandsolids.1.2Thistestmethodisnotrecommendedfortestmaterialswhichtypicallyproducedeathsbeyond2dayspostdosing.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G25
【国际标准分类号】:65_100_99
【页数】:3P.;A4
【正文语种】: