JIS S1052-1978 办公接待室用椅子
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【英文标准名称】:
【原文标准名称】:办公接待室用椅子
【标准号】:JISS1052-1978
【标准状态】:作废
【国别】:日本
【发布日期】:1978-08-01
【实施或试行日期】:1978-08-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:代表会议;会议;椅子;办公室设备;接收;办公家具
【英文主题词】:
【摘要】:
【中国标准分类号】:Y81
【国际标准分类号】:
【页数】:
【正文语种】:
【原文标准名称】:办公接待室用椅子
【标准号】:JISS1052-1978
【标准状态】:作废
【国别】:日本
【发布日期】:1978-08-01
【实施或试行日期】:1978-08-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:代表会议;会议;椅子;办公室设备;接收;办公家具
【英文主题词】:
【摘要】:
【中国标准分类号】:Y81
【国际标准分类号】:
【页数】:
【正文语种】:
下载地址: 点击此处下载
【英文标准名称】:Explosionprotectionsystems;part2:determinationofexplosionindicesofcombustiblegasesinair(ISO6184-2:1985);germanversionEN26184-2:1991
【原文标准名称】:防爆系统.第2部分:空气中易燃气体的爆炸指数的测定(ISO6184-2:1985);德文版本EN26184-2:1991
【标准号】:DINEN26184-2-1991
【标准状态】:作废
【国别】:德国
【发布日期】:1991-06
【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】:试验;气体;气体燃料;防爆;防火;污染物气体;空气;爆炸指数;潜在爆炸物
【英文主题词】:Air;Explosionindex;Explosionprotection;Firesafety;Fuelgases;Gases;Pollutantgases;Potentiallyexplosivematerials;Testing;Tests
【摘要】:
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:7P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforBiodegradationByaShake-FlaskDie-AwayMethod
【原文标准名称】:用摇瓶衰减弱法作生物降解的标准试验方法
【标准号】:ASTME1279-1989(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【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】:E47.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Abioticdegradation;Biologicaldataanalysis--sediments;Carboncontent;Chemicals(environmentalanalysis);Degradation--environmentalmaterials/applications;Die-awaybiodegradation;Equilibriumadsorptioncoefficient(Koc);Estuarineenviro
【摘要】:Mostofthesimplermethodsusedtoscreenchemicalsforbiodegradationpotentialemploymeasurementsthatarenotspecifictothetestsubstance,suchaslossofdissolvedorganiccarbon,evolutionofrespiratorycarbondioxide,oruptakeofdissolvedoxygen.Suchmethodsgenerallyareusedtoevaluatethetransformationofthetestsubstancetocarbondioxide,water,oxidesormineralsaltsofotherelements,orproductsassociatedwiththenormalmetabolicprocessesofmicroorganisms(ultimatebiodegradability),orboth.Thesemethodsrequiretheuseofrelativelyhighinitialconcentrationsofthetestsubstance,generally10mg/Lorhigher,unlessthetestsareconductedusing14C-radiolabeledtestcompounds.Biodegradationtestsmeasuring14C-CO2evolution,forexample,canbeconductedusinginitialconcentrationoftestcompoundatpartsperbillion.Thesetests,however,requirespecializedequipmentandthecustompreparationofappropriatelylabeledcompoundisoftenveryexpensive.Die-awaybiodegradationmethodsaresimplesimulationmethodsthatemploywatercollectedfromnaturalwatersourcesandfollowthedisappearanceofanaddedamountofthetestsubstanceresultingfromtheactivityofmicroorganismsinthewatersample.Thechemical-specificanalyticaltechniquesusedtofollowthedisappearanceofthetestsubstance,typicallyareemployedusingrelativelylowinitialconcentrationsofthetestsubstance.Mostenvironmentalpollutantsarepresentintheenvironmentatrelativelylowconcentrations(lessthan1mg/L)andithasbeenobservedthatbiodegradationratesobtainedusinghightestcompoundconcentrationsmaybequitedifferentfromthoseobservedatlowerconcentrations(6).Thetransformationofthetestsubstancetoanextentsufficienttoremovesomecharacteristicpropertyofthemolecule,resultinginthelossofdetectionbythechemicalspecificanalyticaltechnique,isreferredtoasprimarybiodegradation.Formanypurposes,evidenceofprimarybiodegradationissufficient,especiallywhenitisknownorcanbeshownthattoxicity,orsomeotherundesirablefeature,associatedwiththetestcompoundisremovedorsignificantlyreducedasaresultoftheprimarybiodegradation.Adeterminationofultimatebiodegradation,ontheotherhand,isusuallyrequiredonlywhentreatabilityororganicloadingareissuesofconcern.Furthermore,manyofthesimplermethods,suchasthosemeasuringCO2evolution(see4.1),maynotdetectprimarybiodegradation.Theuseoflowsubstrateconcentrationenhancestheprobabilityofobservingfirst-order,orpseudofirst-order,kinetics.Thus,arateconstantfortheprimarybiodegradationreactionandahalf-lifecanbederivedfromthetestcompoundunderdefinedincubationconditions.Rateconstantsarerequiredinmanyenvironmentalfatemathematicalmodels.1.1Thistestmethoddescribesproceduresforassessingthebiodegradationofchemicalsinnaturalsurfacewatersamples.1.2Thistestmethodprovidesanopportunitytoevaluateratesofbiodegradationinthepresenceandabsenceofnaturalsedimentmaterials.Italsomayprovidelimitedinformationontheabioticdegradationrate,andsorptiontosedimentandvesselwalls.1.3Thistestmethodallowsforthedevelopmentofafirst-orderrateconstant,basedonthedisappearanceofthetestcompoundwithtime,andasecond-orderrateconstant,normalizedforchangesinmicrobialbiomass.1.4Thistestmethodrequiresachemicalspecificanalyticalmethodandtheconcentrationsoftestsubstanceemployedaredependentonthesensitivityoftheanalyticalmethod.1.5Thistestmethodisdesignedtobeapplicabletocompoundsthatarenotinhibitorytobacteriaattheconcentrationsusedinthetestm......
【中国标准分类号】:Z19
【国际标准分类号】:13_030_40
【页数】:5P.;A4
【正文语种】:英语
【原文标准名称】:防爆系统.第2部分:空气中易燃气体的爆炸指数的测定(ISO6184-2:1985);德文版本EN26184-2:1991
【标准号】:DINEN26184-2-1991
【标准状态】:作废
【国别】:德国
【发布日期】:1991-06
【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】:试验;气体;气体燃料;防爆;防火;污染物气体;空气;爆炸指数;潜在爆炸物
【英文主题词】:Air;Explosionindex;Explosionprotection;Firesafety;Fuelgases;Gases;Pollutantgases;Potentiallyexplosivematerials;Testing;Tests
【摘要】:
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:7P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforBiodegradationByaShake-FlaskDie-AwayMethod
【原文标准名称】:用摇瓶衰减弱法作生物降解的标准试验方法
【标准号】:ASTME1279-1989(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【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】:E47.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Abioticdegradation;Biologicaldataanalysis--sediments;Carboncontent;Chemicals(environmentalanalysis);Degradation--environmentalmaterials/applications;Die-awaybiodegradation;Equilibriumadsorptioncoefficient(Koc);Estuarineenviro
【摘要】:Mostofthesimplermethodsusedtoscreenchemicalsforbiodegradationpotentialemploymeasurementsthatarenotspecifictothetestsubstance,suchaslossofdissolvedorganiccarbon,evolutionofrespiratorycarbondioxide,oruptakeofdissolvedoxygen.Suchmethodsgenerallyareusedtoevaluatethetransformationofthetestsubstancetocarbondioxide,water,oxidesormineralsaltsofotherelements,orproductsassociatedwiththenormalmetabolicprocessesofmicroorganisms(ultimatebiodegradability),orboth.Thesemethodsrequiretheuseofrelativelyhighinitialconcentrationsofthetestsubstance,generally10mg/Lorhigher,unlessthetestsareconductedusing14C-radiolabeledtestcompounds.Biodegradationtestsmeasuring14C-CO2evolution,forexample,canbeconductedusinginitialconcentrationoftestcompoundatpartsperbillion.Thesetests,however,requirespecializedequipmentandthecustompreparationofappropriatelylabeledcompoundisoftenveryexpensive.Die-awaybiodegradationmethodsaresimplesimulationmethodsthatemploywatercollectedfromnaturalwatersourcesandfollowthedisappearanceofanaddedamountofthetestsubstanceresultingfromtheactivityofmicroorganismsinthewatersample.Thechemical-specificanalyticaltechniquesusedtofollowthedisappearanceofthetestsubstance,typicallyareemployedusingrelativelylowinitialconcentrationsofthetestsubstance.Mostenvironmentalpollutantsarepresentintheenvironmentatrelativelylowconcentrations(lessthan1mg/L)andithasbeenobservedthatbiodegradationratesobtainedusinghightestcompoundconcentrationsmaybequitedifferentfromthoseobservedatlowerconcentrations(6).Thetransformationofthetestsubstancetoanextentsufficienttoremovesomecharacteristicpropertyofthemolecule,resultinginthelossofdetectionbythechemicalspecificanalyticaltechnique,isreferredtoasprimarybiodegradation.Formanypurposes,evidenceofprimarybiodegradationissufficient,especiallywhenitisknownorcanbeshownthattoxicity,orsomeotherundesirablefeature,associatedwiththetestcompoundisremovedorsignificantlyreducedasaresultoftheprimarybiodegradation.Adeterminationofultimatebiodegradation,ontheotherhand,isusuallyrequiredonlywhentreatabilityororganicloadingareissuesofconcern.Furthermore,manyofthesimplermethods,suchasthosemeasuringCO2evolution(see4.1),maynotdetectprimarybiodegradation.Theuseoflowsubstrateconcentrationenhancestheprobabilityofobservingfirst-order,orpseudofirst-order,kinetics.Thus,arateconstantfortheprimarybiodegradationreactionandahalf-lifecanbederivedfromthetestcompoundunderdefinedincubationconditions.Rateconstantsarerequiredinmanyenvironmentalfatemathematicalmodels.1.1Thistestmethoddescribesproceduresforassessingthebiodegradationofchemicalsinnaturalsurfacewatersamples.1.2Thistestmethodprovidesanopportunitytoevaluateratesofbiodegradationinthepresenceandabsenceofnaturalsedimentmaterials.Italsomayprovidelimitedinformationontheabioticdegradationrate,andsorptiontosedimentandvesselwalls.1.3Thistestmethodallowsforthedevelopmentofafirst-orderrateconstant,basedonthedisappearanceofthetestcompoundwithtime,andasecond-orderrateconstant,normalizedforchangesinmicrobialbiomass.1.4Thistestmethodrequiresachemicalspecificanalyticalmethodandtheconcentrationsoftestsubstanceemployedaredependentonthesensitivityoftheanalyticalmethod.1.5Thistestmethodisdesignedtobeapplicabletocompoundsthatarenotinhibitorytobacteriaattheconcentrationsusedinthetestm......
【中国标准分类号】:Z19
【国际标准分类号】:13_030_40
【页数】:5P.;A4
【正文语种】:英语