DIN 72761-1-1977 普通开关.第1部分:额定电压最高可达24V的拉绳开关
时间:2024-05-03 19:43:23 来源: 标准资料网 作者：标准资料网 阅读：8663
【英文标准名称】:Switchesforcommonapplication;pullswitchforanominalvoltageupto24V
【原文标准名称】:普通开关.第1部分:额定电压最高可达24V的拉绳开关
【标准号】:DIN72761-1-1977
【标准状态】:现行
【国别】:德国
【发布日期】:1977-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数据;尺寸;开关;道路车辆;摩托车
【英文主题词】:motorvehicles;roadvehicles;switches;data;dimensions
【摘要】:Switchesforcommonapplication,pullswitchforanominalvoltageupto24V
【中国标准分类号】:T36
【国际标准分类号】:43_040_10
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforSagofTungstenWire
【原文标准名称】:钨丝下垂的标准试验方法
【标准号】:ASTMF269-1960(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1960
【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】:F01.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:creeptesting;hydrogenatmosphere;sagproperties;tungstenwire;Belljarenvelopetechnique;Metalelectroniccomponents/devices;Sag;Tungstenelectrical/electronicapplications
【摘要】:1.1Thistestmethodcoversadeterminationofthesagpropertiesoftungstenwire0.030in.(0.76mm)andoverindiameter.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K11
【国际标准分类号】:29_060_10
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingAnaerobicBiodegradationofPlasticMaterialsUnderHigh-SolidsAnaerobic-DigestionConditions
【原文标准名称】:在强溶解液真空降解条件下测定塑性材料的真空生物降解的标准试验方法
【标准号】:ASTMD5511-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D20.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:降解;变换;塑料
【英文主题词】:anaerobicbiodegradation;anaerobicdigestion;biodegradation;high-solidsdigestion;landfill;plasticstestmethod
【摘要】:Biodegradationofaplasticwithinahigh-solidsanaerobicdigestionunitisanimportantphenomenonbecauseitwillaffectthedecompositionofotherwastematerialsenclosedbytheplasticandtheresultingqualityandappearanceofthecompostafterananaerobicdigestionprocess.Biodegradationofplasticscouldallowforthesafedisposaloftheseplasticsthroughaerobicandanaerobicsolid-waste-treatmentplants.Thisprocedurehasbeendevelopedtopermitthedeterminationoftherateanddegreeofanaerobicbiodegradabilityofplasticproductswhenplacedinahigh-solidsanaerobicdigesterfortheproductionofcompostfrommunicipalsolidwaste.Limitations8212;Becausethereisawidevariationintheconstructionandoperationofanaerobic-digestionsystemsandbecauseregulatoryrequirementsforcompostingsystemsvary,thisprocedureisnotintendedtosimulatetheenvironmentofanyparticularhigh-solidsanaerobic-digestionsystem.However,itisexpectedtoresembletheenvironmentofahigh-solidsanaerobic-digestionprocessoperatedunderoptimumconditions.Morespecifically,theprocedureisintendedtocreateastandardlaboratoryenvironmentthatwillpermitarapidandreproducibledeterminationoftheanaerobicbiodegradabilityunderhigh-solidsdigestionconditions.1.1Thistestmethodcoversthedeterminationofthedegreeandrateofanaerobicbiodegradationofplasticmaterialsinhigh-solidsanaerobicconditions.Thetestmaterialsareexposedtoamethanogenicinoculumderivedfromanaerobicdigestersoperatingonlyonpretreatedhouseholdwaste.Theanaerobicdecompositiontakesplaceunderhigh-solids(morethan30%totalsolids)andstaticnon-mixedconditions.1.2Thistestmethodisdesignedtoyieldapercentageofconversionofcarboninthesampletocarboninthegaseousformunderconditionsfoundinhigh-solidsanaerobicdigesters,treatingmunicipalsolidwaste(1,2,3,4).Thistestmethodmayalsoresemblesomeconditionsinbiologicallyactivelandfillswherethegasgeneratedisrecoveredandbiogasproductionisevenactivelypromoted,forexample,byinoculation(codepositionofanaerobicsewagesludge,anaerobicleachaterecirculation),moisturecontrolinthelandfill(leachaterecirculation),andtemperaturecontrol(short-terminjectionofoxygen,heatingofrecirculatedleachate)(5,6,7).1.3Thistestmethodisdesignedtobeapplicabletoallplasticmaterialsthatarenotinhibitorytothemicroorganismspresentinanaerobicdigestersoperatingonhouseholdwaste.1.4ThevaluesgiveninSIunitsaretoberegardedasthestandard.1.5ThistestmethodisequivalenttoISODIS15985.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsaregiveninSection8.
【中国标准分类号】:G31
【国际标准分类号】:13_030_99
【页数】:6P.;A4
【正文语种】: