IEC 60073-1991 用颜色和辅助手段标记指示设备和调节器
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【英文标准名称】:Codingofindicatingdevicesandactuatorsbycoloursandsupplementarymeans
【原文标准名称】:用颜色和辅助手段标记指示设备和调节器
【标准号】:IEC60073-1991
【标准状态】:作废
【国别】:国际
【发布日期】:1991-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC16
【标准类型】:()
【标准水平】:()
【中文主题词】:编码;线端标记;色码;电气工程;安全规则;开关
【英文主题词】:terminalmarkings;encoding;electricalengineering;switches;safetyregulations;colourcodes
【摘要】:
【中国标准分类号】:A26
【国际标准分类号】:1920
【页数】:45P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAquaticFreeCyanidewithFlowInjectionAnalysis(FIA)UtilizingGasDiffusionSeparationandAmperometricDetection
【原文标准名称】:利用气体扩散分离和安培检测法对水化游离氰化物的流量注入分析(FIA)的标准试验方法
【标准号】:ASTMD7237-2006
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:条件;氰化物;检测;扩散;FIA;流量分析;流量注入分析;气体;注射;分离;试验
【英文主题词】:amperometry;aquaticfreecyanide;diffusablecyanide,flowinjectionanalysis;freecyanide;gasdiffusionseparation
【摘要】:Cyanideandhydrogencyanidearehighlytoxic.Regulationshavebeenestablishedtorequirethemonitoringofcyanideinindustrialanddomesticwastesandsurfacewaters.3ItisusefultodeterminetheaquaticfreecyanidetoestablishanindexoftoxicitywhenawastewaterisintroducedtothepHandtemperatureofthenaturalenvironment.Thistestmethodisapplicablefornaturalwater,salinewaters,andwastewatereffluent.1.1Thistestmethodisusedtoestablishtheconcentrationofaquatic"free"cyanideinanaqueouswastewateroreffluent.Thetestconditionsofthismethodareusedtomeasurefreecyanide(HCNandCN-)andcyanideboundinthemetal-cyanidecomplexesthatareeasilydissociatedintofreecyanideionsatthepHoftheaquaticenvironmentrangingfrompH6topH8.TheextentofHCNformationislessdependentontemperaturethanthepH;however,thetemperaturecanberegulatedifdeemednecessarytofurthersimulatetheactualaquaticenvironment.1.2TheaquaticfreecyanidemethodisbasedonthesameinstrumentationandtechnologythatisdescribedinstandardtestmethodD6888,butemploysmilderconditions(pH6-8bufferversusHClinthereagentstream),anddoesnotutilizeliganddisplacementreagents.1.3TheaquaticfreecyanidemeasuredbythisprocedureshouldbesimilartoactuallevelsofHCNintheoriginalaquaticenvironment.Thisinturnmaygiveareliableindexoftoxicitytoaquaticorganisms.1.4Thisprocedureisapplicableoverarangeofapproximately2to500g/L(partsperbillion)aquaticfreecyanide.Sampledilutionmayincreasecyaniderecoveriesdependingonthecyanidespeciation;therefore,itisnotrecommendedtodilutesamples.Higherconcentrationscanbeanalyzedbyincreasingtherangeofcalibrationstandardsorwithalowerinjectionvolume.InaccordancewithGuideE1763andPracticeD6512thelowerscopelimitwasdeterminedtobe9g/Lforchlorinatedgoldleachingbarreneffluentwater.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSectionandSection.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Generalrulesfortighteningofthreadedfasteners
【原文标准名称】:螺纹紧固件的紧固总则
【标准号】:JISB1083-2008
【标准状态】:现行
【国别】:日本
【发布日期】:2008-03-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonMachineElements
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandardspecifiesthedeterminationmethodofthetargetvaluesoftighten-ingindexforthreadedfastenersintherepresentativetighteningcontrolmethodandtherelatedmatterstothis.ThisStandardshallapplytobolts,machinescrews,studs(hereafterthesearere-ferredtoas"bolts")andnutsmadeofcarbonsteelandalloysteel.ThisStandardisalsoapplicabletoothercombinationofexternalandinternalthreadpartshavingthegeneralpurposemetricscrewthreadsofthebasicprofilebasedonJISB0205-1.ThisStandardmaynotapplytothestuddedsideofstudbolts,setscrewsandsimilarthreadedfastenersnotundertensilestresses,threadedfastenersformingprofileofinternalthreadsbyexternalthreadsthemselvesandthreadedfastenershavingtheadditionalwhirl-stopfunction.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:26P;A4
【正文语种】:日语
